{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"rime","slug":"rime","name":"Rime","type":"api","url":"https://rime.ai","page_url":"https://unfragile.ai/rime","categories":["voice-audio","deployment-infra"],"tags":[],"pricing":{"model":"free","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"rime__cap_0","uri":"capability://text.generation.language.expressive.text.to.speech.synthesis.with.prosody.control","name":"expressive text-to-speech synthesis with prosody control","description":"Converts written text to natural-sounding audio with fine-grained control over prosody (tone, rhythm, emphasis) and emotional expression. The system processes input text through a neural vocoder that models speaker characteristics, intonation patterns, and emotional inflection, enabling narration that adapts pacing and emotional tone to content context. Supports two model tiers (Mist and Arcana) with different quality/latency tradeoffs optimized for long-form content.","intents":["Generate audiobook narration with natural prosody and emotional expression matching narrative tone","Create podcast intros/outros with specific emotional delivery (professional, casual, energetic)","Produce long-form content audio (articles, documentation) with consistent voice quality across thousands of words","Control voice characteristics like emphasis, pacing, and emotional tone without re-recording"],"best_for":["audiobook publishers and content creators producing long-form narration","podcast producers needing consistent voice generation with emotional variation","accessibility teams converting written content to audio at scale","developers building voice-enabled applications with expressive audio requirements"],"limitations":["No documented maximum input length — unclear if there are character or duration limits per request","Prosody control granularity unknown — no specification of what parameters are exposed (e.g., pitch range, speaking rate, pause duration)","Emotion/style control mechanism not documented — unclear if styles are predefined or continuous parameters","No streaming output documented — appears to be batch generation only, requiring full text submission before audio generation begins","Language support not documented — unclear which languages support prosody and emotion control features"],"requires":["API key from Rime (obtained via free tier signup with $100 credits)","Text input in supported format (format specifications unknown)","Selection of voice model (Mist or Arcana tier)","Concurrent generation quota matching pricing tier (5 for free, 20 for Growth, unlimited for Enterprise)"],"input_types":["plain text","formatted text with markup (markup syntax unknown)"],"output_types":["audio file (format unknown — likely MP3 or WAV)","audio stream (if streaming supported)"],"categories":["text-generation-language","voice-audio"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__cap_1","uri":"capability://text.generation.language.professional.voice.cloning.with.custom.pronunciation","name":"professional voice cloning with custom pronunciation","description":"Creates custom voice clones from speaker samples and applies custom pronunciation rules without requiring model retraining. The system builds a speaker-specific voice profile that can be deployed across all text-to-speech requests, with a built-in pronunciation dictionary enabling phonetic customization for proper nouns, technical terms, and regional pronunciations. Updates to pronunciation rules apply immediately without regenerating the voice model.","intents":["Clone a specific speaker's voice for consistent brand narration across multiple content pieces","Ensure technical terms, product names, and proper nouns are pronounced correctly in generated audio","Create personalized audiobooks with a specific narrator's voice characteristics","Maintain pronunciation consistency for domain-specific terminology (medical, legal, technical) across large content libraries"],"best_for":["audiobook publishers wanting consistent narrator voice across series","enterprise content teams with brand voice requirements","technical documentation teams needing correct pronunciation of product/domain terms","accessibility teams creating personalized audio content"],"limitations":["Voice cloning sample requirements unknown — no documentation on minimum audio duration, quality, or speaker characteristics needed","Custom pronunciation scope unclear — unknown if dictionary supports regex patterns, phonetic alphabets, or only literal string replacements","Pronunciation dictionary size limits unknown — no specification on maximum entries or update frequency","Voice clone quality variability unknown — no guidance on which speaker characteristics clone successfully","Free tier does not include professional voice clones — requires Growth tier ($5k/year minimum) or Enterprise","Voice clone deployment scope unknown — unclear if clones can be shared across team members or are account-specific"],"requires":["Growth tier or Enterprise subscription (free tier limited to 5 predefined voices)","Audio sample(s) of speaker to clone (specifications unknown)","API key and authentication credentials","Access to pronunciation dictionary management interface (interface type unknown)"],"input_types":["audio file (format and duration requirements unknown)","pronunciation rules (format unknown — likely JSON or CSV)"],"output_types":["voice model identifier (for use in subsequent TTS requests)","audio file with cloned voice applied"],"categories":["text-generation-language","voice-audio"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__cap_2","uri":"capability://automation.workflow.concurrent.text.to.speech.generation.with.tier.based.throughput","name":"concurrent text-to-speech generation with tier-based throughput","description":"Manages parallel audio generation requests with concurrency limits enforced per pricing tier (5 concurrent for free, 20 for Growth, unlimited for Enterprise). The system queues requests and distributes them across available generation capacity, enabling batch processing of multiple texts without sequential blocking. Concurrency limits are enforced at the account level and apply across all API calls from that account.","intents":["Generate audio for multiple articles or chapters in parallel without waiting for sequential completion","Process large content libraries (hundreds of documents) efficiently by parallelizing TTS requests","Build batch processing pipelines that submit multiple texts and collect results asynchronously","Scale content production workflows from small projects to enterprise-scale narration"],"best_for":["content creators processing multiple pieces simultaneously","batch processing pipelines converting document libraries to audio","enterprise teams with high-volume narration requirements","developers building scalable audio generation services"],"limitations":["Concurrency limits are hard caps — requests exceeding tier limit will queue or fail (queueing behavior unknown)","No documented queue depth or timeout behavior — unclear how long requests wait or if they expire","Concurrent generation quota shared across all API consumers in account — no per-endpoint or per-user rate limiting documented","No burst capacity documented — unclear if temporary overages are allowed or strictly enforced","Scaling beyond Enterprise tier requires custom negotiation — no documented path for unlimited+ concurrency","Async/webhook support unknown — unclear if results are pushed via callback or must be polled"],"requires":["Pricing tier subscription (free: 5 concurrent, Growth: 20 concurrent, Enterprise: unlimited)","API key with account-level concurrency quota","Request queueing/batching logic in client application (if async processing desired)","Monitoring of concurrent request count to avoid exceeding tier limits"],"input_types":["multiple text inputs (submitted as separate API requests)"],"output_types":["audio files (one per input text)","job status/identifiers (if async processing supported)"],"categories":["automation-workflow","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__cap_3","uri":"capability://data.processing.analysis.character.based.usage.metering.and.cost.calculation","name":"character-based usage metering and cost calculation","description":"Tracks text-to-speech usage by counting input characters (not API calls or audio duration) and applies tiered pricing based on character volume. The system bills $30/million characters for Mist model and $40/million characters for Arcana model on pay-as-you-go tier, with volume discounts available at Growth tier ($27/$36 per million characters with $5k/year minimum). Free tier provides $100 in credits (approximately 3.3M characters for Mist, 2.5M for Arcana).","intents":["Predict costs for converting known text volumes to audio (e.g., 10,000-word article costs ~$0.30 for Mist)","Optimize model selection (Mist vs Arcana) based on quality requirements and budget constraints","Plan annual budgets for content production with volume-based pricing tiers","Track per-project or per-customer costs based on character consumption"],"best_for":["content creators with predictable monthly character volumes","SaaS platforms embedding TTS and needing transparent per-user cost allocation","publishers planning annual audiobook production budgets","developers building cost-aware TTS applications"],"limitations":["Character counting methodology unknown — unclear if whitespace, punctuation, or markup are counted","No free tier model selection — free tier uses unspecified default model (Mist or Arcana unknown)","Volume discount tiers limited to two options (pay-as-you-go or Growth with $5k minimum) — no intermediate tiers","Enterprise pricing opaque — custom pricing requires sales contact, no published rate cards","No per-request minimum charge — unclear if very short texts (1-10 characters) incur minimum fees","Pricing does not account for voice cloning or custom pronunciation — unclear if these features add surcharges","Free tier credits expire after unknown duration — no documentation on credit validity period"],"requires":["Rime account with selected pricing tier","Ability to estimate or measure input text character count","Understanding of Mist vs Arcana quality/cost tradeoff"],"input_types":["text (character count used for billing)"],"output_types":["usage metrics (characters processed)","cost estimates","billing statements"],"categories":["data-processing-analysis","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__cap_4","uri":"capability://text.generation.language.predefined.voice.personas.with.tonal.characteristics","name":"predefined voice personas with tonal characteristics","description":"Provides four named voice models (Astra, Cupola, Vespera, Eliphas) with distinct tonal characteristics (happy, professional, casual, calm respectively) that can be selected per request without custom voice cloning. Each persona is a pre-trained voice model optimized for specific use cases and emotional delivery. Voice selection is specified at request time and applies to the entire text input.","intents":["Select appropriate voice tone for content type (professional voice for documentation, casual for blog posts)","Create variety in multi-narrator content by switching between predefined personas","Avoid custom voice cloning overhead for projects that don't require brand-specific narration","Match voice characteristics to content emotional tone without manual voice engineering"],"best_for":["content creators needing quick voice selection without custom cloning","projects with multiple content types requiring different tonal approaches","developers building voice-selection UI for end users","teams without specific brand voice requirements"],"limitations":["Limited persona selection — only four predefined voices available (Astra, Cupola, Vespera, Eliphas)","Persona characteristics not customizable — cannot adjust tonal characteristics of predefined voices","No persona metadata documented — unclear what exact emotional/tonal characteristics each persona exhibits beyond single-word descriptions","Persona availability across models unknown — unclear if all four personas available in both Mist and Arcana tiers","No persona preview samples documented — no audio examples to evaluate voice characteristics before selection","Persona selection is per-request only — no default persona setting at account level"],"requires":["Rime API key","Knowledge of four available personas and their tonal characteristics","Text input to synthesize"],"input_types":["text","voice persona identifier (Astra, Cupola, Vespera, or Eliphas)"],"output_types":["audio file with selected persona voice"],"categories":["text-generation-language","voice-audio"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__cap_5","uri":"capability://text.generation.language.long.form.content.narration.optimization","name":"long-form content narration optimization","description":"Optimizes text-to-speech synthesis specifically for extended content (articles, audiobooks, documentation) by maintaining consistent voice characteristics, pacing, and emotional tone across multiple requests or large single inputs. The system is tuned for content longer than typical short-form speech synthesis (podcasts, notifications) and handles narrative-specific requirements like chapter breaks, section transitions, and consistent narrator voice across thousands of words.","intents":["Convert full-length articles or chapters to audio with consistent voice quality and pacing","Generate audiobook narration that maintains emotional consistency across entire book","Create audio documentation that reads naturally across multiple sections or chapters","Produce long-form podcast content with consistent narrator voice and pacing"],"best_for":["audiobook publishers and authors","technical documentation teams","content platforms with long-form articles (Medium, Substack, etc.)","educational platforms converting course materials to audio"],"limitations":["Maximum input length unknown — no documentation on character or duration limits per request","Handling of very long inputs unclear — unknown if system chunks large texts or processes atomically","Consistency across multiple requests not guaranteed — unclear if voice characteristics remain identical across separate API calls","No documented chapter/section break handling — unclear if system supports explicit section markers or transitions","Pacing consistency mechanism unknown — no documentation on how speaking rate is maintained across long content","Memory of previous context unknown — unclear if system maintains narrative context across sequential requests"],"requires":["Rime API key","Text input (length limits unknown)","Selected voice persona or custom voice clone","Prosody/emotion parameters (if customization desired)"],"input_types":["plain text","formatted text with section markers (format unknown)"],"output_types":["audio file (single file or chunked by section — unknown)"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__cap_6","uri":"capability://automation.workflow.enterprise.deployment.with.compliance.and.slas","name":"enterprise deployment with compliance and slas","description":"Provides Enterprise tier deployment options including cloud, on-premises, and VPC deployment with BAA (HIPAA) and SOC 2 compliance certifications and service-level agreements. The system supports regulated environments requiring data residency, audit trails, and compliance documentation. Enterprise customers receive custom pricing, dedicated support, and negotiated SLAs for latency and availability.","intents":["Deploy Rime TTS in HIPAA-regulated healthcare environments with BAA compliance","Run voice synthesis on-premises or in private VPC for data sovereignty requirements","Establish SLA commitments for production audiobook or content generation pipelines","Integrate TTS into enterprise applications with compliance audit requirements"],"best_for":["healthcare organizations requiring HIPAA compliance","enterprises with data residency or sovereignty requirements","regulated industries (finance, legal) requiring SOC 2 certification","large-scale content production requiring SLA guarantees"],"limitations":["Enterprise pricing opaque — no published rate cards, requires sales negotiation","SLA specifics unknown — no documentation on latency targets, availability guarantees, or penalty terms","Deployment option availability unclear — unknown if all three deployment modes (cloud/on-prem/VPC) available for all use cases","Compliance scope limited — BAA and SOC 2 documented, but no mention of GDPR, CCPA, or other data protection frameworks","On-premises deployment requirements unknown — no documentation on infrastructure, licensing, or support model","Custom SLA negotiation required — no self-service SLA selection available"],"requires":["Enterprise tier subscription (custom pricing)","Sales engagement and contract negotiation","Compliance documentation review (BAA, SOC 2)","Infrastructure for selected deployment mode (cloud/on-prem/VPC)"],"input_types":["text (same as standard API)"],"output_types":["audio file (same as standard API)","compliance documentation (BAA, SOC 2 reports)"],"categories":["automation-workflow","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__cap_7","uri":"capability://tool.use.integration.tiered.support.and.community.engagement","name":"tiered support and community engagement","description":"Provides support escalation across pricing tiers: free tier users access public Slack channel for community support, while Growth and Enterprise tiers receive private Slack channels with direct vendor support. Support model emphasizes community-driven assistance for free tier with escalation to vendor support for paid tiers. No documentation on support response times, SLAs, or support scope.","intents":["Get help with API integration and troubleshooting via community Slack channel","Access vendor support for production issues in Growth or Enterprise tier","Share integration patterns and best practices with other Rime users","Escalate critical issues to dedicated support team"],"best_for":["free tier users comfortable with community-driven support","Growth/Enterprise customers requiring vendor support","developers building integrations and needing peer assistance","production deployments requiring SLA-backed support"],"limitations":["Free tier support is community-only — no vendor support available","Support response times unknown — no SLAs or response time guarantees documented","Support scope undefined — unclear what issues are covered or excluded","Slack-only support — no documented email, phone, or ticketing system","No documentation on support availability hours or escalation procedures","Community support quality variable — no guarantee of expert assistance"],"requires":["Rime account (free or paid tier)","Slack workspace access (for public or private channel)","Growth or Enterprise subscription (for vendor support)"],"input_types":["support questions and issue reports"],"output_types":["community advice and peer assistance","vendor support responses (Growth/Enterprise only)"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__cap_8","uri":"capability://automation.workflow.startup.program.with.extended.free.credits","name":"startup program with extended free credits","description":"Provides early-stage startups with up to 3 months of free service (application required) in addition to standard free tier $100 credits. The program is designed to reduce barrier to entry for pre-revenue companies and enable experimentation with TTS at scale without upfront costs. Eligibility and application process not documented.","intents":["Access Rime TTS for free during early product development phase","Experiment with voice synthesis at scale without upfront costs","Delay paid subscription until achieving product-market fit or revenue","Evaluate Rime TTS against competitors without financial commitment"],"best_for":["early-stage startups (pre-seed, seed stage)","founders building voice-enabled products","teams with limited budgets during MVP phase","companies evaluating TTS providers before committing to paid tier"],"limitations":["Eligibility criteria unknown — no documentation on company stage, funding, or revenue requirements","Application process unknown — no details on how to apply or approval timeline","Free credit duration unclear — '3 months' is ambiguous (calendar months? usage months?)","Conversion to paid tier terms unknown — unclear if free credits expire or convert to paid subscription","No published list of accepted startups — no transparency on approval rate or criteria","Program availability unknown — no documentation on geographic restrictions or industry exclusions"],"requires":["Early-stage startup status (criteria unknown)","Application submission (process unknown)","Approval from Rime (timeline unknown)"],"input_types":["startup application (format unknown)"],"output_types":["free credits (up to 3 months of service)","approval/rejection notification"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"rime__headline","uri":"capability://voice.audio.voice.ai.api.for.natural.text.to.speech","name":"voice ai api for natural text-to-speech","description":"Rime is a Voice AI API that provides natural-sounding text-to-speech capabilities optimized for long-form content narration, audiobook production, and content creation, featuring fine-grained prosody and emotion control.","intents":["best text-to-speech API","text-to-speech for audiobooks","natural-sounding TTS for content creation","AI voice API for long-form narration","expressive TTS solutions"],"best_for":["audiobook production","content creators","narration services"],"limitations":[],"requires":[],"input_types":[],"output_types":[],"categories":["voice-audio"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":57,"verified":false,"data_access_risk":"high","permissions":["API key from Rime (obtained via free tier signup with $100 credits)","Text input in supported format (format specifications unknown)","Selection of voice model (Mist or Arcana tier)","Concurrent generation quota matching pricing tier (5 for free, 20 for Growth, unlimited for Enterprise)","Growth tier or Enterprise subscription (free tier limited to 5 predefined voices)","Audio sample(s) of speaker to clone (specifications unknown)","API key and authentication credentials","Access to pronunciation dictionary management interface (interface type unknown)","Pricing tier subscription (free: 5 concurrent, Growth: 20 concurrent, Enterprise: unlimited)","API key with account-level concurrency quota"],"failure_modes":["No documented maximum input length — unclear if there are character or duration limits per request","Prosody control granularity unknown — no specification of what parameters are exposed (e.g., pitch range, speaking rate, pause duration)","Emotion/style control mechanism not documented — unclear if styles are predefined or continuous parameters","No streaming output documented — appears to be batch generation only, requiring full text submission before audio generation begins","Language support not documented — unclear which languages support prosody and emotion control features","Voice cloning sample requirements unknown — no documentation on minimum audio duration, quality, or speaker characteristics needed","Custom pronunciation scope unclear — unknown if dictionary supports regex patterns, phonetic alphabets, or only literal string replacements","Pronunciation dictionary size limits unknown — no specification on maximum entries or update frequency","Voice clone quality variability unknown — no guidance on which speaker characteristics clone successfully","Free tier does not include professional voice clones — requires Growth tier ($5k/year minimum) or Enterprise","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.7,"quality":0.8500000000000001,"ecosystem":0.25,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.1,"match_graph":0.28,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:25.061Z","last_scraped_at":null,"last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=rime","compare_url":"https://unfragile.ai/compare?artifact=rime"}},"signature":"HX6Hgt2p7iGqwaCJvR/SNvPIvCQG01/uyWPhscys7X1DRKsQYKAMz0A0IYVFhaLKLiAiM0+N5cD0ujCMF2YnDw==","signedAt":"2026-06-22T07:54:39.485Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/rime","artifact":"https://unfragile.ai/rime","verify":"https://unfragile.ai/api/v1/verify?slug=rime","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}