# Best Large Context Window LLMs (2026)

> AI models with the largest context windows (200K+ tokens), ranked by benchmark performance.

Canonical page: https://benchlm.ai/best/large-context-window

Last updated: October 19, 2026

## Rankings

| Rank | Model | Creator | Type | Context | Score |
|------|-------|---------|------|---------|-------|
| 1 | [Claude Opus 5.5](/models/claude-opus-5-5) | Anthropic | Proprietary | 1M | 86.7 |
| 2 | [GPT-6.1 Sol](/models/gpt-6-1-sol) | OpenAI | Proprietary | 1.05M | 84.2 |
| 3 | [GPT-6 Astra](/models/gpt-6-astra) | OpenAI | Proprietary | 1.05M | 84.1 |
| 4 | [Claude Fable 5.1](/models/claude-fable-5-1) | Anthropic | Proprietary | 1M | 83.2 |
| 5 | [Gemini 4 Argon](/models/gemini-4-argon) | Google | Proprietary | 1M | 82.9 |
| 6 | [Claude Sonnet 5.5](/models/claude-sonnet-5-5) | Anthropic | Proprietary | 1M | 82.2 |
| 7 | [Claude Fable 5](/models/claude-fable) | Anthropic | Proprietary | 1M+ | 81.4 |
| 8 | [GPT-6 Sol](/models/gpt-6-sol) | OpenAI | Proprietary | 1.05M | 78.6 |
| 9 | [GPT-5.6 Sol](/models/gpt-5-6-sol) | OpenAI | Proprietary | 1.05M | 75.3 |
| 10 | [Muse Wonder Full](/models/muse-wonder-full) | Meta | Proprietary | 1M | 74.8 |
| 11 | [MiMo-V2.6-Pro](/models/mimo-v2-6-pro) | Xiaomi | Open Weight | 1M | 73.7 |
| 12 | [GPT-5.5 Pro](/models/gpt-5-5-pro) | OpenAI | Proprietary | 1M | 73.5 |
| 13 | [Muse Wonder](/models/muse-wonder) | Meta | Proprietary | 1M | 71.5 |
| 14 | [GPT-5.6 Terra](/models/gpt-5-6-terra) | OpenAI | Proprietary | 1.05M | 70.2 |
| 15 | [Claude Opus 4.8](/models/claude-opus-4-8) | Anthropic | Proprietary | 1M | 70 |
| 16 | [Kimi K3](/models/kimi-k3) | Moonshot AI | Pending | 1.05M | 70 |
| 17 | [Qwen3.8 Max](/models/qwen3-8-max) | Alibaba | Open Weight | 1M | 69.7 |
| 18 | [Step 5 Preview](/models/step-5-preview) | StepFun | Open Weight | 1M | 69.6 |
| 19 | [GPT-5.5](/models/gpt-5-5) | OpenAI | Proprietary | 1M | 69.2 |
| 20 | [Gemini 3.8 Flash](/models/gemini-3-8-flash) | Google | Proprietary | 1M | 69.2 |
| 21 | [GPT-5.4 Pro](/models/gpt-5-4-pro) | OpenAI | Proprietary | 1.05M | 68.7 |
| 22 | [Claude Opus 4.7 (Adaptive)](/models/claude-opus-4-7-adaptive) | Anthropic | Proprietary | 1M | 68.7 |
| 23 | [Ling 3.1 Flash](/models/ling-3-1-flash) | InclusionAI | Open Weight | 262K | 68.1 |
| 24 | [GLM-5.3](/models/glm-5-3) | Z.AI | Open Weight | 1M | 68 |
| 25 | [Claude Haiku 5.5](/models/claude-haiku-5-5) | Anthropic | Proprietary | 1M | 67.2 |
| 26 | [MiniMax M3.1 Flash](/models/minimax-m3-1-flash) | MiniMax | Proprietary | 1M | 67.1 |
| 27 | [Grok 4.6](/models/grok-4-6) | xAI | Proprietary | 500K | 67.1 |
| 28 | [Gemini 3.7 Flash](/models/gemini-3-7-flash) | Google | Proprietary | 1M | 66.9 |
| 29 | [GPT-5.4](/models/gpt-5-4) | OpenAI | Proprietary | 1.05M | 66.7 |
| 30 | [GPT-5.2 Pro](/models/gpt-5-2-pro) | OpenAI | Proprietary | 400K | 66.7 |
| 31 | [GPT-6 Luna](/models/gpt-6-luna) | OpenAI | Proprietary | 1.05M | 66.6 |
| 32 | [Muse Spark 1.1](/models/muse-spark-1-1) | Meta | Proprietary | 1M | 66.1 |
| 33 | [Muse Spark 1.2](/models/muse-spark-1-2) | Meta | Proprietary | 1M | 65.9 |
| 34 | [DeepSeek V4.1 Flash 1017](/models/deepseek-v4-1-flash) | DeepSeek | Open Weight | 1M | 65.7 |
| 35 | [Claude Opus 4.7](/models/claude-opus-4-7) | Anthropic | Proprietary | 1M | 65.5 |
| 36 | [Claude Sonnet 5](/models/claude-sonnet-5) | Anthropic | Proprietary | 1M | 64.9 |
| 37 | [Gemini 3.1 Pro](/models/gemini-3-1-pro) | Google | Proprietary | 1M | 64.7 |
| 38 | [MiMo-V2.6-Flash](/models/mimo-v2-6-flash) | Xiaomi | Open Weight | 1M | 64.6 |
| 39 | [GPT-5.6 Luna](/models/gpt-5-6-luna) | OpenAI | Proprietary | 1.05M | 64.4 |
| 40 | [dots3-note Preview](/models/dots3-note-preview) | Dots Studio | Open Weight | 512K | 64.1 |
| 41 | [Grok 4.5](/models/grok-4-5) | xAI | Proprietary | 500K | 63.3 |
| 42 | [DeepSeek V4 Pro 0813](/models/deepseek-v4-pro-0813) | DeepSeek | Open Weight | 1M | 63.2 |
| 43 | [Qwen3.8-Flash-Next](/models/qwen3-8-flash-next) | Alibaba | Open Weight | 262K | 62.9 |
| 44 | [Gemini 3.6 Flash](/models/gemini-3-6-flash) | Google | Proprietary | 1M | 62.8 |
| 45 | [Muse Spark Open](/models/muse-spark-open) | Meta | Open Weight | 1M | 62.8 |
| 46 | [Qwen3.7 Max](/models/qwen3-7-max) | Alibaba | Proprietary | 1M | 62.6 |
| 47 | [Claude Opus 4.6](/models/claude-opus-4-6) | Anthropic | Proprietary | 1M | 62.3 |
| 48 | [Ornith-1.5-397B](/models/ornith-1-5-397b) | Ornith AI | Open Weight | 262K | 62.3 |
| 49 | [Gemini 3.5 Flash](/models/gemini-3-5-flash) | Google | Proprietary | 1M | 61.9 |
| 50 | [Mistral Large 4](/models/mistral-large-4) | Mistral | Pending | 1M | 61.6 |
| 51 | [Hy4 preview](/models/hy4-preview) | Tencent | Open Weight | 1M | 61.4 |
| 52 | [Gemini 3 Pro](/models/gemini-3-pro) | Google | Proprietary | 2M | 61.2 |
| 53 | [GPT-5.3 Codex](/models/gpt-5-3-codex) | OpenAI | Proprietary | 400K | 60.5 |
| 54 | [GLM-5.2](/models/glm-5-2) | Z.AI | Open Weight | 1M | 60.5 |
| 55 | [Muse Spark](/models/muse-spark) | Meta | Proprietary | 262K | 60.5 |
| 56 | [GPT-5.2](/models/gpt-5-2) | OpenAI | Proprietary | 400K | 59.9 |
| 57 | [Qwen3.8-27B](/models/qwen3-8-27b) | Alibaba | Open Weight | 262K | 59.6 |
| 58 | [GLM-5.3-Flash](/models/glm-5-3-flash) | Z.AI | Open Weight | 1M | 58.5 |
| 59 | [Kimi K2.6](/models/kimi-2-6) | Moonshot AI | Open Weight | 256K | 58.4 |
| 60 | [Grok 4.20](/models/grok-4-20-beta) | xAI | Proprietary | 2M | 57.4 |
| 61 | [GPT-5.1](/models/gpt-5-1) | OpenAI | Proprietary | 200K | 57.2 |
| 62 | [GLM-5.1](/models/glm-5-1) | Z.AI | Open Weight | 203K | 56.3 |
| 63 | [Claude Sonnet 4.6](/models/claude-sonnet-4-6) | Anthropic | Proprietary | 200K | 55.9 |
| 64 | [GPT-5.2-Codex](/models/gpt-5-2-codex) | OpenAI | Proprietary | 400K | 55.4 |
| 65 | [Qwen 3.6 Max (preview)](/models/qwen3-6-max-preview) | Alibaba | Proprietary | 256K | 55.1 |
| 66 | [MiniMax M3](/models/minimax-m3) | MiniMax | Open Weight | 1M | 55 |
| 67 | [GLM-5](/models/glm-5) | Z.AI | Open Weight | 200K | 54.9 |
| 68 | [Agents-A1](/models/agents-a1) | InternScience | Open Weight | 262K | 54.4 |
| 69 | [Agents-A1-F16-GGUF](/models/agents-a1-f16-gguf) | InternScience | Open Weight | 262K | 54.4 |
| 70 | [Agents-A1-FP8](/models/agents-a1-fp8) | InternScience | Open Weight | 262K | 54.4 |
| 71 | [Agents-A1-Q4_K_M-GGUF](/models/agents-a1-q4-k-m-gguf) | InternScience | Open Weight | 262K | 54.4 |
| 72 | [Agents-A1-Q8_0-GGUF](/models/agents-a1-q8-0-gguf) | InternScience | Open Weight | 262K | 54.4 |
| 73 | [Gemini 3 Flash](/models/gemini-3-flash) | Google | Proprietary | 1M | 54.3 |
| 74 | [Claude Opus 4.5 Thinking](/models/claude-opus-4-5-thinking) | Anthropic | Proprietary | 200K | 54.1 |
| 75 | [Claude Opus 4.5](/models/claude-opus-4-5) | Anthropic | Proprietary | 200K | 54.1 |
| 76 | [Ternary Bonsai 2 27B](/models/ternary-bonsai-2-27b) | Prism ML | Open Weight | 262K | 54 |
| 77 | [Qwen3.6 Plus](/models/qwen3-6-plus) | Alibaba | Proprietary | 1M | 53.8 |
| 78 | [Qwen3.7 Plus](/models/qwen3-7-plus) | Alibaba | Proprietary | 1M | 53.8 |
| 79 | [GPT-5.4 mini](/models/gpt-5-4-mini) | OpenAI | Proprietary | 400K | 53.4 |
| 80 | [MAI-Thinking-1](/models/mai-thinking-1) | Microsoft | Proprietary | 256K | 53.3 |
| 81 | [GLM-5-Turbo](/models/glm-5-turbo) | Z.AI | Proprietary | 200K | 53.2 |
| 82 | [Grok 4.3](/models/grok-4-3) | xAI | Proprietary | 1M | 53.1 |
| 83 | [Kimi K2.5](/models/kimi-k2-5) | Moonshot AI | Open Weight | 256K | 53.1 |
| 84 | [MiMo-V2.5-Pro](/models/mimo-v2-5-pro) | Xiaomi | Proprietary | 1M | 53 |
| 85 | [MiMo-V2-Pro](/models/mimo-v2-pro) | Xiaomi | Proprietary | 1M | 52.9 |
| 86 | [Inkling-Small](/models/inkling-small) | Thinking Machines Lab | Open Weight | 1M | 52.7 |
| 87 | [Inkling](/models/inkling) | Thinking Machines Lab | Open Weight | 1M | 52.6 |
| 88 | [Hy3](/models/hy3) | Tencent | Open Weight | 256K | 52.5 |
| 89 | [Hy3 Preview](/models/hy3-preview) | Tencent | Open Weight | 256K | 52.2 |
| 90 | [Beam 1.0 501B-A23B](/models/reflection-beam) | Reflection AI | Open Weight | 1M | 51.6 |
| 91 | [GPT-5.1-Codex](/models/gpt-5-1-codex) | OpenAI | Proprietary | 400K | 50.4 |
| 92 | [MiMo-V2-Omni](/models/mimo-v2-omni) | Xiaomi | Proprietary | 262K | 50 |
| 93 | [GLM-5V-Turbo](/models/glm-5v-turbo) | Z.AI | Proprietary | 200K | 49.6 |
| 94 | [Gemini 3.5 Flash-Lite](/models/gemini-3-5-flash-lite) | Google | Proprietary | 1M | 49.6 |
| 95 | [Nemotron 3.5 Super VL 120B A12B](/models/nemotron-3-5-super-vl-120b-a12b) | NVIDIA | Open Weight | 1M | 49.4 |
| 96 | [Kimi K2.7 Code](/models/kimi-k2-7-code) | Moonshot AI | Open Weight | 256K | 49.4 |
| 97 | [Gemini 2.5 Pro](/models/gemini-2-5-pro) | Google | Proprietary | 1M | 49.1 |
| 98 | [Qwen3.5 Plus](/models/qwen3-5-plus) | Alibaba | Proprietary | 1M | 48.9 |
| 99 | [GLM-4.7](/models/glm-4-7) | Z.AI | Open Weight | 200K | 48.8 |
| 100 | [Qwen3.5-27B](/models/qwen3-5-27b) | Alibaba | Open Weight | 262K | 48.6 |
| 101 | [Qwen3.6-27B](/models/qwen3-6-27b) | Alibaba | Open Weight | 262K | 48.6 |
| 102 | [Quasar 438B](/models/quasar-438b) | Multiverse Computing | Proprietary | 1M | 48.6 |
| 103 | [MiniMax M2.7](/models/minimax-m2-7) | MiniMax | Open Weight | 200K | 48.2 |
| 104 | [Claude Sonnet 4.5](/models/claude-sonnet-4-5) | Anthropic | Proprietary | 200K | 48 |
| 105 | [Gemini 3.1 Flash-Lite](/models/gemini-3-1-flash-lite) | Google | Proprietary | 1M | 47 |
| 106 | [Qwen3.7 Flash](/models/qwen3-7-flash) | Alibaba | Proprietary | 1M | 47 |
| 107 | [GPT-5.4 nano](/models/gpt-5-4-nano) | OpenAI | Proprietary | 400K | 46.9 |
| 108 | [Ling 3.0 Flash VL](/models/ling-3-0-flash-vl) | InclusionAI | Open Weight | 262K | 46.8 |
| 109 | [Nemotron 3 Ultra](/models/nemotron-3-ultra) | NVIDIA | Open Weight | 1M | 46.8 |
| 110 | [Grok 4.1 Fast (Reasoning)](/models/grok-4-1-fast-reasoning) | xAI | Proprietary | 2M | 45.9 |
| 111 | [Qwen3.5-35B-A3B](/models/qwen3-5-35b-a3b) | Alibaba | Open Weight | 262K | 45.8 |
| 112 | [Gemma 4 26B A4B](/models/gemma-4-26b-a4b) | Google | Open Weight | 256K | 45.6 |
| 113 | [o3](/models/o3) | OpenAI | Proprietary | 200K | 45.4 |
| 114 | [o3-pro](/models/o3-pro) | OpenAI | Proprietary | 200K | 45.4 |
| 115 | [Nemotron 3.5 Bolt 74B-A9B](/models/nemotron-3-5-bolt-74b-a9b) | NVIDIA | Open Weight | 256K | 45.3 |
| 116 | [Ling 3.0 Flash](/models/ling-3-0-flash) | InclusionAI | Open Weight | 262K | 45.1 |
| 117 | [Step 3.7 Flash](/models/step-3-7-flash) | StepFun | Open Weight | 256K | 43.7 |
| 118 | [Qwen3.6-35B-A3B](/models/qwen3-6-35b-a3b) | Alibaba | Open Weight | 262K | 43.5 |
| 119 | [Grok 4 Fast (Reasoning)](/models/grok-4-fast-reasoning) | xAI | Proprietary | 2M | 43.5 |
| 120 | [Qwen3.5 Flash](/models/qwen3-5-flash) | Alibaba | Proprietary | 1M | 42.8 |
| 121 | [Step 3.5 Flash](/models/step-3-5-flash) | StepFun | Open Weight | 256K | 42.1 |
| 122 | [Gemini 2.5 Flash](/models/gemini-2-5-flash) | Google | Proprietary | 1M | 42.1 |
| 123 | [Qwen3.5-122B-A10B](/models/qwen3-5-122b-a10b) | Alibaba | Open Weight | 262K | 41.7 |
| 124 | [Claude Haiku 4.5](/models/claude-haiku-4-5) | Anthropic | Proprietary | 200K | 41.2 |
| 125 | [MiMo-V2-Flash](/models/mimo-v2-flash) | Xiaomi | Open Weight | 256K | 41 |
| 126 | [Claude 4.1 Opus](/models/claude-4-1-opus) | Anthropic | Proprietary | 200K | 40.1 |
| 127 | [GLM-4.6](/models/glm-4-6) | Z.AI | Open Weight | 200K | 40 |
| 128 | [Gemma 4 31B](/models/gemma-4-31b) | Google | Open Weight | 256K | 39.9 |
| 129 | [Qwen3 Max](/models/qwen3-max) | Alibaba | Proprietary | 1M | 39.6 |
| 130 | [o3-mini](/models/o3-mini) | OpenAI | Proprietary | 200K | 39.5 |
| 131 | [Claude 4.1 Opus Thinking](/models/claude-4-1-opus-thinking) | Anthropic | Proprietary | 200K | 39.4 |
| 132 | [GLM-4.7-Flash](/models/glm-4-7-flash) | Z.AI | Open Weight | 200K | 39.1 |
| 133 | [o1](/models/o1) | OpenAI | Proprietary | 200K | 38.3 |
| 134 | [Claude 4 Sonnet](/models/claude-4-sonnet) | Anthropic | Proprietary | 200K | 38.1 |
| 135 | [GPT-4.1](/models/gpt-4-1) | OpenAI | Proprietary | 1M | 37.6 |
| 136 | [K-Exaone](/models/k-exaone) | LG AI Research | Proprietary | 256K | 37.6 |
| 137 | [GPT-5 nano](/models/gpt-5-nano) | OpenAI | Proprietary | 400K | 37.3 |
| 138 | [Grok 4.1 Fast](/models/grok-4-1-fast) | xAI | Proprietary | 1M | 36.4 |
| 139 | [Gemma 4 12B](/models/gemma-4-12b) | Google | Open Weight | 256K | 36.3 |
| 140 | [o1-preview](/models/o1-preview) | OpenAI | Proprietary | 200K | 36 |
| 141 | [o1-pro](/models/o1-pro) | OpenAI | Proprietary | 200K | 35.8 |
| 142 | [Mistral Small 4](/models/mistral-small-4) | Mistral | Open Weight | 256K | 34.7 |
| 143 | [Trinity-Large-Thinking](/models/trinity-large-thinking) | Arcee AI | Open Weight | 512K | 34.5 |
| 144 | [Grok Code Fast 1](/models/grok-code-fast-1) | xAI | Proprietary | 256K | 34.1 |
| 145 | [Ornith-1.5-35B-A3B](/models/ornith-1-5-35b-a3b) | Ornith AI | Open Weight | 262K | 34 |
| 146 | [Mercury 2.5](/models/mercury-2-5) | Inception | Proprietary | 260K | 34 |
| 147 | [Mistral Medium 3.5 128B](/models/mistral-medium-3-5-128b) | Mistral | Open Weight | 256K | 33.6 |
| 148 | [Ling 2.6 Flash](/models/ling-2-6-flash) | InclusionAI | Open Weight | 262K | 32.5 |
| 149 | [Nemotron 3 Nano Omni 30B A3B](/models/nemotron-3-nano-omni-30b-a3b) | NVIDIA | Open Weight | 256K | 32.2 |
| 150 | [Ornith-1.5-9B](/models/ornith-1-5-9b) | Ornith AI | Open Weight | 262K | 31.7 |
| 151 | [GPT-4.1 mini](/models/gpt-4-1-mini) | OpenAI | Proprietary | 1M | 29.2 |
| 152 | [Claude 3 Opus](/models/claude-3-opus) | Anthropic | Proprietary | 200K | 28.5 |
| 153 | [Llama 4 Scout](/models/llama-4-scout) | Meta | Open Weight | 10M | 28.2 |
| 154 | [Gemini 1.5 Pro](/models/gemini-1-5-pro) | Google | Proprietary | 2M | 27.7 |
| 155 | [Claude 3.5 Sonnet](/models/claude-3-5-sonnet) | Anthropic | Proprietary | 200K | 27.7 |
| 156 | [Nemotron 3.5 Lightning 30B A3B NVFP4](/models/nemotron-3-5-lightning-30b-a3b-nvfp4) | NVIDIA | Open Weight | 1M | 25.7 |
| 157 | [GPT-4.1 nano](/models/gpt-4-1-nano) | OpenAI | Proprietary | 1M | 24.5 |
| 158 | [Llama 4 Maverick](/models/llama-4-maverick) | Meta | Open Weight | 1M | 21.6 |
| 159 | [Claude 3 Haiku](/models/claude-3-haiku) | Anthropic | Proprietary | 200K | 14.1 |
| — | [Mistral Large 4](/models/mistral-large-4) | Mistral | Pending | 1M | — |

## Key Takeaways

- Top model: [Claude Opus 5.5](/models/claude-opus-5-5) with a score of 86.7
- Best open-weight option: [MiMo-V2.6-Pro](/models/mimo-v2-6-pro) at #11
- Models included: 160 (159 ranked, 1 listed without a rank)

## Compare the Leaders

- [Claude Opus 5.5 vs GPT-6.1 Sol](/compare/claude-opus-5-5-vs-gpt-6-1-sol)