Dense 31b Parameter Inference With 256k Context Window

via “128k context window with efficient attention mechanism”

OpenAI's fastest multimodal flagship model with 128K context.

Unique: Achieves 128K context with sub-linear attention complexity through architectural optimizations (likely grouped-query attention or sparse patterns) rather than naive quadratic attention, enabling practical long-context inference without prohibitive memory costs

vs others: Longer context window than GPT-4 Turbo (128K vs 128K, but with faster inference) and more efficient than Anthropic Claude 3.5 Sonnet (200K context but slower) for most production latency requirements

via “model context window management and kv cache optimization”

Single-file executable LLMs — bundle model + inference, runs on any OS with zero install.

Unique: Implements sliding window attention for models supporting it, enabling inference on sequences longer than training context with constant memory usage, versus naive approaches that allocate cache for entire sequence

vs others: More memory-efficient long-context inference than full KV cache because sliding window attention discards old tokens, versus alternatives that cache entire context and hit OOM on long sequences

via “128k token context window for multi-document reasoning”

Meta's multimodal 11B model with text and vision.

Unique: 128K context window on a compact 11B model enables multi-document reasoning without retrieval-augmented generation (RAG) complexity. Supports extended conversations where image context persists across multiple turns, unlike models with shorter context windows requiring explicit context re-injection.

vs others: Larger context window than many 7B-13B models (typically 4K-32K) enables longer document analysis and richer conversational history without RAG infrastructure, while remaining smaller than 70B+ models with similar context sizes.

via “128k context window for long-document processing”

Mistral's efficient 24B model for production workloads.

Unique: Combines 128K context window with 24B parameter efficiency, enabling long-document processing on single GPU without cloud API costs, though context window claim not independently verified

vs others: Larger context window than many 24B models while maintaining single-GPU deployability, though smaller than some 70B+ models and context window claim lacks independent verification

via “extended context window inference with 200k token support”

01.AI's bilingual 34B model with 200K context option.

Unique: Provides 200K context window variant alongside 4K base, likely using position interpolation or similar techniques to extend context without full retraining. Enables single-pass processing of entire documents and long conversations without summarization or chunking overhead.

vs others: Matches Claude 3's 200K context capability at 1/3 the parameter count (34B vs 100B+), reducing inference cost and latency while maintaining competitive long-context reasoning for document analysis and multi-turn conversations.

via “32k-token-context-window”

Mistral's mixture-of-experts model with efficient routing.

Unique: Supports 32,768 token context window through standard transformer architecture without explicit long-context modifications, enabling processing of long documents and extensive conversation history. Context window is larger than GPT-3.5 (4K tokens) and comparable to GPT-4 (8K-32K variants).

vs others: Provides 32K token context window matching GPT-4 32K variant while maintaining 6x faster inference than Llama 2 70B and open-source licensing, enabling long-context processing without proprietary API dependencies.

via “128k token context window for long-document processing”

Ultra-lightweight 1B model for on-device AI.

Unique: 128K context window on 1B model enables long-document processing on edge devices — most 1B models have 2K-4K context windows; larger models with 128K context require cloud deployment

vs others: Larger context than typical 1B models (which average 2K-4K tokens) enabling document-level tasks; smaller context than Llama 3.2 11B/90B (also 128K) but deployable on mobile

via “extended context reasoning with 200k token window”

Cost-efficient reasoning model with configurable effort levels.

Unique: Combines 200K context window with reasoning-grade intelligence, enabling full-codebase analysis without retrieval or chunking — most alternatives (GPT-4, Claude) offer similar window sizes but lack reasoning-grade depth for code understanding

vs others: Larger context window than o1 (128K) and comparable to Claude 3.5 Sonnet (200K), but with reasoning-grade capabilities that alternatives lack for complex code analysis

via “context window specification and comparison”

100+ LLM models. Pricing, capabilities, context windows. Always current.

Unique: Provides queryable context window specifications for 100+ models, enabling programmatic filtering by context requirements rather than manual research across provider documentation.

vs others: More comprehensive than individual provider specs; enables constraint-based model selection for long-context applications; supports context-aware cost estimation

Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, native function...

Unique: 31B dense architecture with 256K context achieves a sweet spot between model capability and inference efficiency; no mixture-of-experts routing overhead ensures predictable latency and cost

vs others: Smaller than Llama 3.1 70B (faster, cheaper) but larger than Llama 3.1 8B (more capable); 256K context matches or exceeds most open-source models while maintaining faster inference than 70B+ alternatives

via “dense 32b parameter inference with efficient context handling”

Qwen3-32B is a dense 32.8B parameter causal language model from the Qwen3 series, optimized for both complex reasoning and efficient dialogue. It supports seamless switching between a "thinking" mode for...

Unique: Qwen3-32B uses grouped query attention (GQA) and flash attention v2 integration to reduce KV cache memory requirements by 60-70% compared to standard multi-head attention, enabling efficient inference without sacrificing quality through knowledge distillation.

vs others: Outperforms Llama 2 70B on reasoning benchmarks while using 55% fewer parameters, and matches Mistral 7B on general tasks while supporting longer context and more complex reasoning

via “extended-context reasoning with 262k token window”

Qwen3-235B-A22B-Thinking-2507 is a high-performance, open-weight Mixture-of-Experts (MoE) language model optimized for complex reasoning tasks. It activates 22B of its 235B parameters per forward pass and natively supports up to 262,144...

Unique: Implements 262K context through position interpolation combined with MoE sparse routing, allowing long-context reasoning without the full computational cost of dense 235B inference. The sparse activation means attention computation is still bounded by expert routing decisions, not full quadratic scaling.

vs others: Supports 64x longer context than GPT-4 Turbo (4K) and 6x longer than Claude 3.5 Sonnet (200K) while maintaining faster inference through sparse MoE activation

via “long-context text generation with 128k token window”

Meta's Llama 3.1 — high-quality text generation and reasoning

Unique: Maintains 128K context window uniformly across all three parameter sizes (8B, 70B, 405B), enabling consistent long-context behavior regardless of model choice. This contrasts with many open models that trade context length for parameter efficiency.

vs others: Offers 16x larger context than GPT-3.5 (8K) and matches Claude 3.5 Sonnet's 200K window for the 405B variant, but the 8B/70B variants provide cost-efficient long-context inference on consumer hardware where competitors require cloud APIs.

via “context window management with sliding window attention”

Inference of Meta's LLaMA model (and others) in pure C/C++. #opensource

Unique: Implements adaptive KV cache management with automatic window sizing based on available memory and document length, rather than fixed window sizes, allowing optimal context utilization across different hardware

vs others: More memory-efficient than full attention (O(n*w) vs O(n²)) and more flexible than fixed-window approaches (adapts to available resources)

via “dense context reasoning with 128k token window”

GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...

Unique: Implements sparse attention patterns and efficient KV-cache management to support 128k context at reasonable latency, whereas many competitors (Claude 3.5, Gemini) use full attention which becomes prohibitively slow beyond 100k tokens

vs others: Matches Claude 3.5's context window at 1/3 the cost; faster inference than Gemini 1.5 Pro on long contexts due to optimized attention implementation

via “16k token context window with fixed-size attention”

Microsoft's Phi 4 — reasoning-focused small language model

Unique: 16K context window is a deliberate design choice for memory efficiency — larger models (GPT-4, Llama 2 70B) support 32K-128K contexts, but Phi 4 prioritizes inference speed and memory footprint over context length. This trade-off is suitable for latency-sensitive applications but requires external context management (RAG, summarization) for longer documents.

vs others: Faster inference and lower memory overhead than 32K+ context models, but requires RAG or summarization for document processing; comparable to Phi 3.5 (3.8B) context window but with larger parameter count enabling better reasoning within the window

via “extended context reasoning with 128k token window”

Google's Gemma 3 — latest generation with improved reasoning

Unique: Gemma 3 achieves 128K context via standard transformer scaling without documented architectural innovations (e.g., no ALiBi, no sparse attention) — this simplicity aids deployment but may sacrifice efficiency compared to models with explicit long-context optimizations like Llama 2 with RoPE interpolation

vs others: 4x larger context window than Llama 2 (32K) and comparable to Mistral Large, enabling full-document reasoning without chunking; however, no published latency benchmarks make it unclear if 128K is practical on consumer hardware

via “extended context window reasoning with 128k token capacity”

The latest GPT-4 Turbo model with vision capabilities. Vision requests can now use JSON mode and function calling. Training data: up to April 2023.

Unique: Achieves 128K context window using a combination of grouped-query attention (reducing KV cache size) and optimized position embeddings that extrapolate beyond training length. This is 4x larger than Claude 3 Opus (200K) but with better latency characteristics due to architectural efficiency.

vs others: Faster inference on 128K contexts than Claude 3 Opus due to grouped-query attention reducing memory bandwidth, though Claude's 200K window is larger; better for real-time applications requiring long context, worse for absolute maximum context capacity.

via “32k-token-context-window-for-long-conversations”

Intel's Neural Chat — conversation-focused model

Unique: 32K context window is 4x larger than base Mistral 7B (8K), enabling substantially longer conversations and documents to be processed without truncation. This is achieved through fine-tuning or architectural modifications (not documented), but the exact mechanism and any quality trade-offs are unknown.

vs others: Larger context window than Mistral 7B base (32K vs. 8K) and comparable to or larger than many 7B models, enabling longer conversations and documents, though still smaller than 13B+ models (e.g., Llama 2 13B with 4K, Mistral 8x7B with 32K) and cloud models (GPT-4 with 128K).

via “extended context processing with 32k-64k token windows”

Dolphin-tuned Mixtral — enhanced instruction-following on Mixtral

Unique: Inherits Mixtral's 32K (8x7b) and 64K (8x22b) context windows, enabling single-pass processing of long documents without external retrieval or chunking; MoE architecture allows selective expert activation even at extreme context lengths, reducing computational overhead compared to dense models

vs others: Longer context window than many open-source models (e.g., Llama 2's 4K), but shorter than Claude 3's 200K or GPT-4 Turbo's 128K; local inference eliminates API latency for long-context tasks