AI Context Window

A context window is the total number of tokens a model can handle in one request. Input and output share that budget. Output is the completion cap inside the window. Input is the context minus that cap, unless the lab publishes a separate input limit. The context score places the window on a 100-point log scale between 4,096 and 10,000,000 tokens. A higher score means a larger window.

Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC

2M Context Window AI Models

	Model Name	Context	Input	Output	Context Score
	SpaceXAI: Grok 4.20	2M	200K	1.8M	79
	SpaceXAI: Grok 4.20 Multi-Agent	2M	200K	1.8M	79

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1M Context Window AI Models

Model Name	Context	Input	Output	Context Score
Meta: Llama 4 Scout	1.31M	1.29M	16.4K	74
OpenAI: GPT-5.4	1.05M	922K	128K	71
OpenAI: GPT-5.4 Pro	1.05M	922K	128K	71
OpenAI: GPT-5.5	1.05M	922K	128K	71
OpenAI: GPT-5.5 Pro	1.05M	922K	128K	71
OpenAI: GPT-5.6 Luna	1.05M	922K	128K	71
OpenAI: GPT-5.6 Luna Pro	1.05M	922K	128K	71
OpenAI: GPT-5.6 Sol	1.05M	922K	128K	71
OpenAI: GPT-5.6 Sol Pro	1.05M	922K	128K	71
OpenAI: GPT-5.6 Terra	1.05M	922K	128K	71
OpenAI: GPT-5.6 Terra Pro	1.05M	922K	128K	71
OpenAI: GPT-6 Astra	1.05M	922K	128K	71
OpenAI: GPT-6 Astra Pro	1.05M	922K	128K	71
OpenAI: GPT-6 Luna	1.05M	922K	128K	71
OpenAI: GPT-6 Luna Pro	1.05M	922K	128K	71
OpenAI: GPT-6 Sol	1.05M	922K	128K	71
OpenAI: GPT-6 Sol Pro	1.05M	922K	128K	71
OpenAI: GPT-6.1 Sol	1.05M	922K	128K	71
OpenAI: GPT-6.1 Sol Pro	1.05M	922K	128K	71
OpenAI: GPT-6.1 Terra	1.05M	922K	128K	71
OpenAI: GPT-6.1 Terra Pro	1.05M	922K	128K	71
Xiaomi: MiMo-V2.5	1.05M	984K	65.5K	71
Xiaomi: MiMo-V2.5-Pro	1.05M	814K	236K	71
Xiaomi: MiMo-V2.6-Flash	1.05M	919K	131K	71
Xiaomi: MiMo-V2.6-Pro	1.05M	919K	131K	71
Meituan: LongCat 2.0	1.05M	787K	262K	71
DeepSeek: DeepSeek V4 Flash 0731	1.05M	105K	944K	71
DeepSeek: DeepSeek V4 Flash Vision Exp	1.05M	786K	262K	71
DeepSeek: DeepSeek V4 Pro 0813	1.05M	105K	944K	71
DeepSeek: DeepSeek V4.1 Flash 1017	1.05M	655K	393K	71
Fireworks: Ember-1	1.05M	105K	944K	71
Google: Gemini 2.5 Flash	1.05M	983K	65.5K	71
Google: Gemini 2.5 Flash Lite	1.05M	983K	65.5K	71
Google: Gemini 2.5 Pro	1.05M	983K	65.5K	71
Google: Gemini 2.5 Pro Preview 06-05	1.05M	983K	65.5K	71
Google: Gemini 3 Flash Preview	1.05M	983K	65.5K	71
Google: Gemini 3.1 Flash Lite	1.05M	983K	65.5K	71
Google: Gemini 3.1 Flash Lite Preview	1.05M	983K	65.5K	71
Google: Gemini 3.1 Pro Preview	1.05M	983K	65.5K	71
Google: Gemini 3.1 Pro Preview Custom Tools	1.05M	983K	65.5K	71
Google: Gemini 3.5 Flash	1.05M	983K	65.5K	71
Google: Gemini 3.5 Flash Lite	1.05M	983K	65.5K	71
Google: Gemini 3.6 Flash	1.05M	983K	65.5K	71
Google: Gemini 3.7 Flash	1.05M	983K	65.5K	71
Google: Gemini 3.8 Flash	1.05M	983K	65.5K	71
Google: Gemini 4 Argon	1.05M	105K	944K	71
Meta: Muse Spark 1.1	1.05M	105K	944K	71
Meta: Muse Spark 1.2	1.05M	105K	944K	71
Meta: Muse Spark 1.2 Contributor	1.05M	105K	944K	71
Meta: Muse Spark 1.3	1.05M	105K	944K	71
Meta: Muse Spark 1.3 Contributor	1.05M	105K	944K	71
Meta: Muse Spark Open	1.05M	105K	944K	71
Meta: Muse Wonder	1.05M	105K	944K	71
MiniMax: MiniMax M3	1.05M	537K	512K	71
MiniMax: MiniMax M3.1 Flash	1.05M	524K	524K	71
Mistral: Mistral Large 4	1.05M	786K	262K	71
MoonshotAI: Kimi K3	1.05M	105K	944K	71
MoonshotAI: Kimi K3.1 Pro	1.05M	105K	944K	71
NVIDIA: Nemotron 3 Super	1.05M	786K	262K	71
NVIDIA: Nemotron 3.5 Super VL	1.05M	813K	236K	71
Pareto 26.10	1.05M	918K	131K	71
Particle AI: Particle-1	1.05M	918K	131K	71
Qwen: Qwen3.8 2.4T A95B	1.05M	918K	131K	71
Reflection: Beam 1.0 501B A23B	1.05M	918K	131K	71
StepFun: Step 5 Preview	1.05M	985K	64K	71
Tencent: Hy4 preview	1.05M	985K	64K	71
Xiaomi: MiMo-V2.6-Pro-UltraSpeed	1.05M	918K	131K	71
Z.ai: GLM 5.2	1.05M	105K	944K	71
Z.ai: GLM 5.3	1.05M	105K	944K	71
Z.ai: GLM 5.3 Flash	1.05M	918K	131K	71
Z.ai: GLM 5.3 FlashX	1.05M	918K	131K	71
Z.ai: GLM 5.3 FlashX Legal	1.05M	918K	131K	71
OpenAI: GPT-4.1	1.05M	1.01M	32.8K	71
OpenAI: GPT-4.1 Mini	1.05M	1.01M	32.8K	71
OpenAI: GPT-4.1 Nano	1.05M	105K	943K	71
Writer: Palmyra X5	1.04M	1.03M	8.2K	71
Qwen: Qwen3.8 27B	1.02M	788K	236K	71
TheDrummer: UnslopNemo 12B	1.02M	205K	819K	71
MiniMax: MiniMax-01	1M	100K	900K	70
Anthropic: Claude Fable 5	1M	872K	128K	70
Anthropic: Claude Fable 5.1	1M	872K	128K	70
Anthropic: Claude Haiku 5.5	1M	872K	128K	70
Anthropic: Claude Opus 4.6	1M	872K	128K	70
Anthropic: Claude Opus 4.7	1M	872K	128K	70
Anthropic: Claude Opus 4.8	1M	872K	128K	70
Anthropic: Claude Opus 5	1M	872K	128K	70
Anthropic: Claude Opus 5.5	1M	872K	128K	70
Anthropic: Claude Sonnet 4.5	1M	936K	64K	70
Anthropic: Claude Sonnet 4.6	1M	872K	128K	70
Anthropic: Claude Sonnet 5	1M	872K	128K	70
Anthropic: Claude Sonnet 5.5	1M	872K	128K	70
Inception: Mercury 3	1M	869K	131K	70
inclusionAI: Ling 3.1 Flash	1M	738K	262K	70
MiniMax: MiniMax M1	1M	960K	40K	70
Qwen: Qwen-Plus	1M	967K	32.8K	70
Qwen: Qwen3 Coder Flash	1M	934K	65.5K	70
Qwen: Qwen3.5 Plus 2026-04-20	1M	934K	65.5K	70
Qwen: Qwen3.5-Flash	1M	934K	65.5K	70
Qwen: Qwen3.7 Flash	1M	934K	65.5K	70
Qwen: Qwen3.7 Max	1M	869K	131K	70
Qwen: Qwen3.7 Plus	1M	869K	131K	70
Qwen: Qwen3.8 Flash	1M	869K	131K	70
Qwen: Qwen3.8 Max (0902)	1M	869K	131K	70
Qwen: Qwen3.8 Max Prime	1M	869K	131K	70
Qwen: Qwen3.8 Omni Flash	1M	869K	131K	70
Sakana: Fugu Max	1M	872K	128K	70
Sakana: Fugu Ultra	1M	872K	128K	70
Sakana: Fugu Ultra v2	1M	872K	128K	70
SpaceXAI: Grok 4.3	1M	100K	900K	70
Z.ai: GLM 5.3 Prime	1M	869K	131K	70

400K Context Window AI Models

Model Name	Context	Input	Output	Context Score
Meta: Llama 4 Maverick	524K	508K	16.4K	62
Thinking Machines: Inkling	524K	52.4K	472K	62
Thinking Machines: Inkling Small	524K	262K	262K	62
Upstage: Solar Mini 4	524K	393K	131K	62
Upstage: Solar Pro 4	524K	393K	131K	62
SpaceXAI: Grok 4.5	500K	50K	450K	62
SpaceXAI: Grok 4.6	500K	50K	450K	62
SpaceXAI: Grok 4.7	500K	50K	450K	62
OpenAI: GPT Chat Latest	400K	272K	128K	59
OpenAI: GPT-5	400K	272K	128K	59
OpenAI: GPT-5 Mini	400K	272K	128K	59
OpenAI: GPT-5 Nano	400K	272K	128K	59
OpenAI: GPT-5 Pro	400K	272K	128K	59
OpenAI: GPT-5.1	400K	272K	128K	59
OpenAI: GPT-5.1-Codex	400K	272K	128K	59
OpenAI: GPT-5.1-Codex-Max	400K	272K	128K	59
OpenAI: GPT-5.1-Codex-Mini	400K	272K	128K	59
OpenAI: GPT-5.2	400K	272K	128K	59
OpenAI: GPT-5.2 Pro	400K	272K	128K	59
OpenAI: GPT-5.2-Codex	400K	272K	128K	59
OpenAI: GPT-5.3-Codex	400K	272K	128K	59
OpenAI: GPT-5.4 Mini	400K	272K	128K	59
OpenAI: GPT-5.4 Nano	400K	272K	128K	59

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256K Context Window AI Models

Model Name	Context	Input	Output	Context Score
Amazon: Nova Lite 1.0	300K	295K	5.1K	55
Amazon: Nova Pro 1.0	300K	295K	5.1K	55
AionLabs: Aion 3.5	262K	229K	32.8K	53
AionLabs: Aion 3.5 Mini	262K	229K	32.8K	53
ByteDance Seed: Seed 1.6	262K	229K	32.8K	53
ByteDance Seed: Seed 1.6 Flash	262K	229K	32.8K	53
ByteDance Seed: Seed 2.1 Turbo	262K	26.2K	236K	53
ByteDance Seed: Seed-2.0-Code	262K	131K	131K	53
ByteDance Seed: Seed-2.0-Lite	262K	131K	131K	53
ByteDance Seed: Seed-2.0-Mini	262K	131K	131K	53
Elorian: Glimpse	262K	6.1K	256K	53
Google: Gemma 4 26B A4B	262K	229K	32.8K	53
Google: Gemma 4 31B	262K	246K	16.4K	53
inclusionAI: Ling 3.0 Flash	262K	229K	32.8K	53
Mistral: Devstral 2 2512	262K	52.4K	210K	53
Mistral: Ministral 3 14B 2512	262K	52.4K	210K	53
Mistral: Ministral 3 8B 2512	262K	52.4K	210K	53
Mistral: Mistral Large 3 2512	262K	52.4K	210K	53
Mistral: Mistral Medium 3.5	262K	52.4K	210K	53
Mistral: Mistral Small 4	262K	52.4K	210K	53
MoonshotAI: Kimi K2 0905	262K	164K	98.3K	53
MoonshotAI: Kimi K2 Thinking	262K	164K	98.3K	53
MoonshotAI: Kimi K2.6	262K	26.2K	236K	53
MoonshotAI: Kimi K2.7 Code	262K	26.2K	236K	53
Nex AGI: Nex-N2.5-Mini	262K	26.2K	236K	53
Nex AGI: Nex-N2.5-Pro	262K	26.2K	236K	53
NVIDIA: Nemotron 3 Nano 30B A3B	262K	26.2K	236K	53
NVIDIA: Nemotron 3 Ultra	262K	79.6K	183K	53
NVIDIA: Nemotron 3.5 Lightning	262K	26.2K	236K	53
Pareto 26.9	262K	131K	131K	53
PrismML: Ternary Bonsai 2 27B	262K	229K	32.8K	53
PrismML: Ternary Bonsai 2 9B	262K	197K	65.5K	53
Qwen: Qwen3 235B A22B Instruct 2507	262K	144K	118K	53
Qwen: Qwen3 30B A3B Instruct 2507	262K	26.2K	236K	53
Qwen: Qwen3 Coder 30B A3B Instruct	262K	26.2K	236K	53
Qwen: Qwen3 Coder 480B A35B	262K	197K	65.5K	53
Qwen: Qwen3 Coder Next	262K	26.2K	236K	53
Qwen: Qwen3 Next 80B A3B Instruct	262K	26.2K	236K	53
Qwen: Qwen3 VL 235B A22B Instruct	262K	229K	32.8K	53
Qwen: Qwen3 VL 30B A3B Instruct	262K	246K	16.4K	53
Qwen: Qwen3 VL 30B A3B Thinking	262K	26.2K	236K	53
Qwen: Qwen3 VL 8B Instruct	262K	26.2K	236K	53
Qwen: Qwen3.5 397B A17B	262K	26.2K	236K	53
Qwen: Qwen3.5-122B-A10B	262K	197K	65.5K	53
Qwen: Qwen3.5-27B	262K	180K	81.9K	53
Qwen: Qwen3.5-35B-A3B	262K	180K	81.9K	53
Qwen: Qwen3.5-9B	262K	26.2K	236K	53
Qwen: Qwen3.6 27B	262K	197K	65.5K	53
Qwen: Qwen3.6 35B A3B	262K	26.2K	236K	53
Sakana: Sakana Namazu	262K	197K	65.5K	53
StepFun: Step 3.5 Flash	262K	197K	65.5K	53
StepFun: Step 3.7 Flash	262K	31.7K	230K	53
Tencent: Hy3	262K	134K	128K	53
Tencent: Hy3 preview	262K	26.2K	236K	53
Inception: Mercury 2.5	260K	194K	65.5K	53
Cohere: Command A	256K	248K	8.2K	53
Mistral: Codestral 2508	256K	51.2K	205K	53
Mistral: Mistral Small 3.2 24B	256K	240K	16.4K	53
SpaceXAI: Grok Build 0.1	256K	25.6K	230K	53

200K Context Window AI Models

Model Name	Context	Input	Output	Context Score
MiniMax: MiniMax M2	205K	73.7K	131K	50
MiniMax: MiniMax M2.5	205K	172K	32.8K	50
MiniMax: MiniMax M2.7	205K	73.7K	131K	50
Z.ai: GLM 4.6	205K	73.7K	131K	50
Z.ai: GLM 4.7	205K	73.7K	131K	50
Z.ai: GLM 5	205K	73.7K	131K	50
Z.ai: GLM 5.1	205K	73.7K	131K	50
Z.ai: GLM 5 Turbo	203K	71.7K	131K	50
Z.ai: GLM 5V Turbo	203K	71.7K	131K	50
Anthropic: Claude Haiku 4.5	200K	136K	64K	50
Anthropic: Claude Opus 4.1	200K	168K	32K	50
Anthropic: Claude Opus 4.5	200K	136K	64K	50
OpenAI: o3	200K	100K	100K	50
OpenAI: o3 Pro	200K	100K	100K	50
Z.ai: GLM 4.7 Flash	200K	82K	118K	50

128K Context Window AI Models

Model Name	Context	Input	Output	Context Score
DeepSeek: DeepSeek V3	164K	148K	16K	47
DeepSeek: DeepSeek V3 0324	164K	48.6K	115K	47
DeepSeek: DeepSeek V3.1	164K	16.4K	147K	47
DeepSeek: DeepSeek V3.1 Terminus	164K	16.4K	147K	47
DeepSeek: DeepSeek V3.2	164K	16.4K	147K	47
DeepSeek: DeepSeek V3.2 Exp	164K	16.4K	147K	47
DeepSeek: R1 0528	164K	131K	32.8K	47
Meta: Llama Guard 4 12B	164K	147K	16.4K	47
AionLabs: Aion-2.0	131K	98.3K	32.8K	44
AionLabs: Aion-3.0	131K	98.3K	32.8K	44
AionLabs: Aion-3.0-Mini	131K	98.3K	32.8K	44
Google: Gemma 3 12B	131K	115K	16.4K	44
Google: Gemma 3 27B	131K	13.1K	118K	44
Google: Gemma 3 4B	131K	115K	16.4K	44
IBM: Granite 4.2 8B	131K	13.1K	118K	44
inclusionAI: Ling 3.0 Flash VL	131K	98.3K	32.8K	44
Meta: Llama 3.1 70B Instruct	131K	115K	16.4K	44
Meta: Llama 3.1 8B Instruct	131K	13.1K	118K	44
Meta: Llama 3.2 3B Instruct	131K	59.1K	72K	44
Meta: Llama 3.3 70B Instruct	131K	3.1K	128K	44
Meta: Muse Glimmer 30B	131K	115K	16.4K	44
Mistral Large 2407	131K	26.2K	105K	44
Mistral: Ministral 3 3B 2512	131K	26.2K	105K	44
Mistral: Mistral Medium 3	131K	26.2K	105K	44
Mistral: Mistral Medium 3.1	131K	26.2K	105K	44
Mistral: Mistral Nemo	131K	115K	16.4K	44
MoonshotAI: Kimi K2 0711	131K	32.8K	98.3K	44
Nous: Hermes 4 405B	131K	13.1K	118K	44
OpenAI: gpt-oss-120b	131K	65.5K	65.5K	44
OpenAI: gpt-oss-20b	131K	13.1K	118K	44
OpenAI: gpt-oss-safeguard-20b	131K	65.5K	65.5K	44
Qwen: Qwen3 32B	131K	115K	16.4K	44
Sao10K: Llama 3.1 Euryale 70B v2.2	131K	115K	16.4K	44
Tencent: Hunyuan A13B Instruct	131K	13.1K	118K	44
TheDrummer: Cydonia 24B V4.1	131K	13.1K	118K	44
Z.ai: GLM 4.5	131K	32.8K	98.3K	44
Z.ai: GLM 4.5 Air	131K	32.8K	98.3K	44
Amazon: Nova Micro 1.0	128K	123K	5.1K	44
ByteDance: UI-TARS 7B	128K	126K	2K	44
Cohere: Command R (08-2024)	128K	124K	4K	44
Cohere: Command R+ (08-2024)	128K	124K	4K	44
Cohere: Command R7B (12-2024)	128K	124K	4K	44
Inception: Mercury 2	128K	78K	50K	44
LiquidAI: LFM2.5-2.6B	128K	120K	8.2K	44
LiquidAI: LFM2.5-24B-A2B	128K	120K	8.2K	44
Mistral Large	128K	25.6K	102K	44
Mistral: Mistral Small 3.1 24B	128K	25.6K	102K	44
OpenAI: GPT-4o	128K	112K	16.4K	44
OpenAI: GPT-4o-mini	128K	112K	16.4K	44
OpenAI: GPT-5.2 Chat	128K	96K	32K	44
Qwen: Qwen2.5 VL 72B Instruct	128K	12.8K	115K	44
Qwen: Qwen3 235B A22B Thinking 2507	128K	112K	16.4K	44
Venice: Uncensored	128K	120K	8.2K	44

64K Context Window AI Models

Model Name	Context	Input	Output	Context Score
MiniMax: MiniMax M2-her	65.5K	63.5K	2K	36
Mistral: Mixtral 8x22B Instruct	65.5K	13.1K	52.4K	36
Reka Flash 3	65.5K	6.6K	59K	36
Z.ai: GLM 4.5V	65.5K	49.2K	16.4K	36
Meta: Llama 3.2 1B Instruct	60K	6K	54K	34

32K Context Window AI Models

Model Name	Context	Input	Output	Context Score
Qwen: Qwen3 14B	41K	24.6K	16.4K	30
Qwen: Qwen3 30B A3B	41K	24.6K	16.4K	30
Perceptron: Perceptron Mk1.5	36.9K	28.7K	8.2K	28
AionLabs: Aion-RP 1.0 (8B)	32.8K	3.3K	29.5K	27
Magnum v4 72B	32.8K	28.7K	4.1K	27
Mistral: Mistral Small 3	32.8K	16.4K	16.4K	27
Mistral: Saba	32.8K	6.6K	26.2K	27
Mistral: Voxtral Small 24B 2507	32.8K	6.6K	26.2K	27
Perceptron: Perceptron Mk1	32.8K	24.6K	8.2K	27
Qwen: Qwen2.5 7B Instruct	32.8K	3.3K	29.5K	27
Qwen2.5 72B Instruct	32.8K	16.4K	16.4K	27
Qwen2.5 Coder 32B Instruct	32.8K	3.3K	29.5K	27
TheDrummer: Skyfall 36B V2	32.8K	3.3K	29.5K	27
Moondream: Moondream 3 Preview	32K	27.9K	4.1K	26
Moondream: Moondream 3.1	32K	27.9K	4.1K	26

16K Context Window AI Models

	Model Name	Context	Input	Output	Context Score
	OpenAI: GPT-3.5 Turbo 16k	16.4K	12.3K	4.1K	18
	Microsoft: Phi 4	16.4K	1.6K	14.7K	18

8K Context Window AI Models

Model Name	Context	Input	Output	Context Score
Google: Gemma 2 27B	8.2K	6.1K	2K	9
MythoMax 13B	8.2K	4.5K	3.7K	9
Sao10K: Llama 3 8B Lunaris	8.2K	820	7.4K	9
OpenAI: GPT-4	8.2K	4.1K	4.1K	9
Mancer: Weaver (alpha)	8K	2K	6K	9
ReMM SLERP 13B	6.1K	615	5.5K	5

4K Context Window AI Models

	Model Name	Context	Input	Output	Context Score
	OpenAI: GPT-3.5 Turbo (older v0613)	4.1K	410	3.7K	0

AI Context Window

2M Context Window AI Models

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1M Context Window AI Models

400K Context Window AI Models

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256K Context Window AI Models

200K Context Window AI Models

128K Context Window AI Models

64K Context Window AI Models

32K Context Window AI Models

16K Context Window AI Models

8K Context Window AI Models

4K Context Window AI Models

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Frequently asked questions

What is an AI context window?