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256K Context Window AI Models

59 AI models in this database have a 256K context window.

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

Model NameContextInputOutputContext Score
Amazon: Nova Lite 1.0
300K295K5.1K55
Amazon: Nova Pro 1.0
300K295K5.1K55
AionLabs: Aion 3.5
262K229K32.8K53
AionLabs: Aion 3.5 Mini
262K229K32.8K53
ByteDance Seed: Seed 1.6
262K229K32.8K53
ByteDance Seed: Seed 1.6 Flash
262K229K32.8K53
ByteDance Seed: Seed 2.1 Turbo
262K26.2K236K53
ByteDance Seed: Seed-2.0-Code
262K131K131K53
ByteDance Seed: Seed-2.0-Lite
262K131K131K53
ByteDance Seed: Seed-2.0-Mini
262K131K131K53
Elorian: Glimpse
262K6.1K256K53
Google: Gemma 4 26B A4B
262K229K32.8K53
Google: Gemma 4 31B
262K246K16.4K53
inclusionAI: Ling 3.0 Flash
262K229K32.8K53
Mistral: Devstral 2 2512
262K52.4K210K53
Mistral: Ministral 3 14B 2512
262K52.4K210K53
Mistral: Ministral 3 8B 2512
262K52.4K210K53
Mistral: Mistral Large 3 2512
262K52.4K210K53
Mistral: Mistral Medium 3.5
262K52.4K210K53
Mistral: Mistral Small 4
262K52.4K210K53
MoonshotAI: Kimi K2 0905
262K164K98.3K53
MoonshotAI: Kimi K2 Thinking
262K164K98.3K53
MoonshotAI: Kimi K2.6
262K26.2K236K53
MoonshotAI: Kimi K2.7 Code
262K26.2K236K53
Nex AGI: Nex-N2.5-Mini
262K26.2K236K53
Nex AGI: Nex-N2.5-Pro
262K26.2K236K53
NVIDIA: Nemotron 3 Nano 30B A3B
262K26.2K236K53
NVIDIA: Nemotron 3 Ultra
262K79.6K183K53
NVIDIA: Nemotron 3.5 Lightning
262K26.2K236K53
Pareto 26.9
262K131K131K53
PrismML: Ternary Bonsai 2 27B
262K229K32.8K53
PrismML: Ternary Bonsai 2 9B
262K197K65.5K53
Qwen: Qwen3 235B A22B Instruct 2507
262K144K118K53
Qwen: Qwen3 30B A3B Instruct 2507
262K26.2K236K53
Qwen: Qwen3 Coder 30B A3B Instruct
262K26.2K236K53
Qwen: Qwen3 Coder 480B A35B
262K197K65.5K53
Qwen: Qwen3 Coder Next
262K26.2K236K53
Qwen: Qwen3 Next 80B A3B Instruct
262K26.2K236K53
Qwen: Qwen3 VL 235B A22B Instruct
262K229K32.8K53
Qwen: Qwen3 VL 30B A3B Instruct
262K246K16.4K53
Qwen: Qwen3 VL 30B A3B Thinking
262K26.2K236K53
Qwen: Qwen3 VL 8B Instruct
262K26.2K236K53
Qwen: Qwen3.5 397B A17B
262K26.2K236K53
Qwen: Qwen3.5-122B-A10B
262K197K65.5K53
Qwen: Qwen3.5-27B
262K180K81.9K53
Qwen: Qwen3.5-35B-A3B
262K180K81.9K53
Qwen: Qwen3.5-9B
262K26.2K236K53
Qwen: Qwen3.6 27B
262K197K65.5K53
Qwen: Qwen3.6 35B A3B
262K26.2K236K53
Sakana: Sakana Namazu
262K197K65.5K53
StepFun: Step 3.5 Flash
262K197K65.5K53
StepFun: Step 3.7 Flash
262K31.7K230K53
Tencent: Hy3
262K134K128K53
Tencent: Hy3 preview
262K26.2K236K53
Inception: Mercury 2.5
260K194K65.5K53
Cohere: Command A
256K248K8.2K53
Mistral: Codestral 2508
256K51.2K205K53
Mistral: Mistral Small 3.2 24B
256K240K16.4K53
SpaceXAI: Grok Build 0.1
256K25.6K230K53

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Frequently asked questions

Which models have a 256K context window?

59 AI models in this database have a 256K context window.