Sim is the open-source AI workspace where teams build, deploy, and manage AI agents. This page ranks the context windows and max output tokens of 135 models from 12 providers, including Claude, GPT, Gemini, and Grok, with API prices per 1M tokens. Every model listed is available in the Sim Agent block.
LLM context window comparison
Context windows and max output tokens for 135 models from 12 providers, sorted from largest to smallest, with API prices per 1M tokens. Every model listed is available in the Sim Agent block. Data last updated .
Largest context window by provider
The biggest context window each provider offers in Sim, and the model that has it.
Every model by context window
Sorted by context window, largest first. Prices are standard API rates per 1M tokens.
| Model | Provider | Context | Max output | Input | Output |
|---|---|---|---|---|---|
| GPT-6.1 Sol | OpenAI | 1.05M | 128k | $2 | $10 |
| GPT-6 Luna | OpenAI | 1.05M | 128k | $0.1 | $0.5 |
| GPT-6 Sol | OpenAI | 1.05M | 128k | $2 | $10 |
| GPT-6 Astra | OpenAI | 1.05M | 128k | $10 | $50 |
| GPT-5.6 Luna | OpenAI | 1.05M | 128k | $0.2 | $1.2 |
| GPT-5.6 Sol | OpenAI | 1.05M | 128k | $4 | $20 |
| GPT-5.6 Terra | OpenAI | 1.05M | 128k | $2 | $12 |
| GPT-5.5 | OpenAI | 1.05M | 128k | $5 | $30 |
| GPT-5.5 Pro | OpenAI | 1.05M | 128k | $30 | $180 |
| GPT-5.4 | OpenAI | 1.05M | 128k | $2.5 | $15 |
| GPT-5.4 Pro | OpenAI | 1.05M | 128k | $30 | $180 |
| Gemini 4 Argon | 1.05M | 66k | $2 | $10 | |
| Gemini 3.8 Flash | 1.05M | 66k | $0.75 | $3.75 | |
| Muse Spark 1.3 | Meta | 1.05M | — | $1.25 | $4.25 |
| Gemini 3.7 Flash | 1.05M | 66k | $0.75 | $3.75 | |
| Gemini 3.5 Flash Lite | 1.05M | 66k | $0.3 | $2.5 | |
| Gemini 3.6 Flash | 1.05M | 66k | $0.75 | $3.75 | |
| Kimi K3 | Kimi | 1.05M | 1.05M | $3 | $15 |
| Muse Spark 1.1 | Meta | 1.05M | — | $1.25 | $4.25 |
| Gemini 3.5 Flash | 1.05M | 66k | $1.5 | $9 | |
| Gemini 3.1 Flash Lite | 1.05M | 66k | $0.25 | $1.5 | |
| Gemini 3.1 Pro Preview | 1.05M | 66k | $2 | $12 | |
| Gemini 3 Flash Preview | 1.05M | 66k | $0.5 | $3 | |
| Deep Research Pro Preview 12 2025 | 1.05M | 66k | $2 | $12 | |
| Gemini 2.5 Flash Lite | 1.05M | 66k | $0.1 | $0.4 | |
| Gemini 2.5 Flash | 1.05M | 66k | $0.3 | $2.5 | |
| Gemini 2.5 Pro | 1.05M | 66k | $1.25 | $10 | |
| GPT-4.1 | OpenAI | 1.05M | 33k | $2 | $8 |
| GPT-4.1 Mini | OpenAI | 1.05M | 33k | $0.4 | $1.6 |
| GPT-4.1 NanoLegacy | OpenAI | 1.05M | 33k | $0.1 | $0.4 |
| Claude Haiku 5.5 | Anthropic | 1M | 128k | $0.1 | $0.5 |
| Mistral Large 4 | Mistral AI | 1M | — | $0.68 | $2.09 |
| Claude Sonnet 5.5 | Anthropic | 1M | 128k | $2 | $10 |
| Claude Opus 5.5 | Anthropic | 1M | 128k | $4 | $20 |
| Zai GLM 5.3 | Mistral AI | 1M | 128k | $1.4 | $4.4 |
| DeepSeek Flash | DeepSeek | 1M | 384k | $0.3 | $1.2 |
| Claude Fable 5.1 | Anthropic | 1M | 128k | $10 | $50 |
| GLM 5.3 Flash | Z.ai | 1M | 131k | $0.15 | $0.5 |
| GLM 5.3 | Z.ai | 1M | 131k | $1.4 | $4.4 |
| Zai GLM 5.2 | Mistral AI | 1M | 128k | $1.4 | $4.4 |
| Fugu | Sakana AI | 1M | — | $5 | $30 |
| Fugu Ultra | Sakana AI | 1M | — | $5 | $30 |
| GLM 5.2 | Z.ai | 1M | 131k | $1.4 | $4.4 |
| Grok 4.3 | xAI | 1M | — | $1.25 | $2.5 |
| DeepSeek V4 Flash | DeepSeek | 1M | 384k | $0.3 | $1.2 |
| DeepSeek V4 Pro | DeepSeek | 1M | 384k | $1.32 | $3.96 |
| Grok 4.20 0309 Non Reasoning | xAI | 1M | — | $1.25 | $2.5 |
| Grok 4.20 0309 Reasoning | xAI | 1M | — | $1.25 | $2.5 |
| Grok 4.20 Multi Agent 0309 | xAI | 1M | — | $1.25 | $2.5 |
| DeepSeek Reasoner | DeepSeek | 1M | 384k | $0.14 | $0.28 |
| DeepSeek Chat | DeepSeek | 1M | 384k | $0.14 | $0.28 |
| GLM 5.3 Flashx | Z.ai | 1M | 131k | $0.37 | $1.25 |
| Claude Opus 5Legacy | Anthropic | 1M | 128k | $5 | $25 |
| Claude Sonnet 5Legacy | Anthropic | 1M | 128k | $2 | $10 |
| Claude Fable 5Legacy | Anthropic | 1M | 128k | $10 | $50 |
| Claude Opus 4.8Legacy | Anthropic | 1M | 128k | $5 | $25 |
| Claude Opus 4.7Legacy | Anthropic | 1M | 128k | $5 | $25 |
| Claude Sonnet 4.6Legacy | Anthropic | 1M | 128k | $3 | $15 |
| Claude Opus 4.6Legacy | Anthropic | 1M | 128k | $5 | $25 |
| Grok 4.7 | xAI | 500k | — | $2 | $6 |
| Grok 4.6 | xAI | 500k | — | $2 | $6 |
| Grok 4.5 | xAI | 500k | — | $2 | $6 |
| Chat Latest | OpenAI | 400k | 128k | $5 | $30 |
| GPT-5.4 Mini | OpenAI | 400k | 128k | $0.75 | $4.5 |
| GPT-5.4 Nano | OpenAI | 400k | 128k | $0.2 | $1.25 |
| GPT-5.3 Codex | OpenAI | 400k | 128k | $1.75 | $14 |
| GPT-5.2 | OpenAI | 400k | 128k | $1.75 | $14 |
| GPT-5.2 Pro | OpenAI | 400k | 128k | $21 | $168 |
| GPT-5.1 | OpenAI | 400k | 128k | $1.25 | $10 |
| GPT-5 Pro | OpenAI | 400k | 272k | $15 | $120 |
| GPT-5 | OpenAI | 400k | 128k | $1.25 | $10 |
| GPT-5 Mini | OpenAI | 400k | 128k | $0.25 | $2 |
| GPT-5 Nano | OpenAI | 400k | 128k | $0.05 | $0.4 |
| Kimi K2.7 Code | Kimi | 262k | — | $0.95 | $4 |
| Kimi K2.7 Code Highspeed | Kimi | 262k | — | $1.9 | $8 |
| Kimi K2.6 | Kimi | 262k | — | $0.95 | $4 |
| Labs Leanstral 1.5 | Mistral AI | 256k | 128k | $0 | $0 |
| Mistral Medium 2604 | Mistral AI | 256k | — | $1.5 | $7.5 |
| Mistral Medium 3 | Mistral AI | 256k | — | $1.5 | $7.5 |
| Mistral Medium 3.5 | Mistral AI | 256k | — | $1.5 | $7.5 |
| Mistral Medium Latest | Mistral AI | 256k | — | $1.5 | $7.5 |
| Mistral Small 2603 | Mistral AI | 256k | — | $0.15 | $0.6 |
| Mistral Small Latest | Mistral AI | 256k | — | $0.15 | $0.6 |
| Devstral 2512 | Mistral AI | 256k | — | $0.4 | $2 |
| Devstral Latest | Mistral AI | 256k | — | $0.4 | $2 |
| Ministral 14B 2512 | Mistral AI | 256k | — | $0.2 | $0.2 |
| Ministral 14B Latest | Mistral AI | 256k | — | $0.2 | $0.2 |
| Ministral 3B 2512 | Mistral AI | 256k | — | $0.1 | $0.1 |
| Ministral 3B Latest | Mistral AI | 256k | — | $0.1 | $0.1 |
| Ministral 8B 2512 | Mistral AI | 256k | — | $0.15 | $0.15 |
| Ministral 8B Latest | Mistral AI | 256k | — | $0.15 | $0.15 |
| Mistral Large 2512 | Mistral AI | 256k | — | $0.5 | $1.5 |
| Mistral Large Latest | Mistral AI | 256k | — | $0.5 | $1.5 |
| Codestral 2508 | Mistral AI | 256k | — | $0.3 | $0.9 |
| Codestral Latest | Mistral AI | 256k | — | $0.3 | $0.9 |
| Devstral Small LatestLegacy | Mistral AI | 256k | — | $0.1 | $0.3 |
| GLM 5.1 | Z.ai | 200k | 131k | $1.4 | $4.4 |
| GLM 5 Turbo | Z.ai | 200k | 131k | $1.2 | $4 |
| GLM 5 | Z.ai | 200k | 131k | $1 | $3.2 |
| GLM 4.7 | Z.ai | 200k | 131k | $0.6 | $2.2 |
| GLM 4.7 Flashx | Z.ai | 200k | 131k | $0.07 | $0.4 |
| Claude Haiku 4.5 | Anthropic | 200k | 64k | $1 | $5 |
| GLM 4.6 | Z.ai | 200k | 131k | $0.6 | $2.2 |
| o3 Pro | OpenAI | 200k | 100k | $20 | $80 |
| Claude Opus 4.5Legacy | Anthropic | 200k | 64k | $5 | $25 |
| Claude Sonnet 4.5Legacy | Anthropic | 200k | 64k | $3 | $15 |
| o3Legacy | OpenAI | 200k | 100k | $2 | $8 |
| o4 MiniLegacy | OpenAI | 200k | 100k | $1.1 | $4.4 |
| o3 MiniLegacy | OpenAI | 200k | 100k | $1.1 | $4.4 |
| o1Legacy | OpenAI | 200k | 100k | $15 | $60 |
| Qwen 3.8 27B | Cerebras | 131k | 41k | $0.99 | $1.49 |
| Qwen 3.6 27B | Groq | 131k | 16k | $0.6 | $3 |
| Gemma 4 31B | Cerebras | 131k | 40k | $0.99 | $1.49 |
| Zai GLM 4.7 | Cerebras | 131k | 40k | $2.25 | $2.75 |
| OpenAI GPT OSS Safeguard 20B | Groq | 131k | 66k | $0.075 | $0.3 |
| GPT OSS 120B | Cerebras | 131k | 40k | $0.35 | $0.75 |
| OpenAI GPT OSS 120B | Groq | 131k | 66k | $0.15 | $0.6 |
| OpenAI GPT OSS 20B | Groq | 131k | 66k | $0.075 | $0.3 |
| Llama 3.3 70B Versatile | Groq | 131k | 33k | $0.59 | $0.79 |
| Llama 3.1 8B Instant | Groq | 131k | 131k | $0.05 | $0.08 |
| Qwen 3.8 27B | Groq | 131k | 16k | $0.8 | $4 |
| Magistral Medium 2509 | Mistral AI | 128k | — | $2 | $5 |
| Magistral Medium Latest | Mistral AI | 128k | — | $2 | $5 |
| Mistral Medium 2508 | Mistral AI | 128k | — | $0.4 | $2 |
| GLM 4.5 | Z.ai | 128k | 98k | $0.6 | $2.2 |
| GLM 4.5 Air | Z.ai | 128k | 98k | $0.2 | $1.1 |
| GLM 4.5 Airx | Z.ai | 128k | 98k | $1.1 | $4.5 |
| GLM 4.5 X | Z.ai | 128k | 98k | $2.2 | $8.9 |
| Mistral Medium 2505 | Mistral AI | 128k | — | $0.4 | $2 |
| GLM 4 32B 0414 128k | Z.ai | 128k | 16k | $0.1 | $0.1 |
| Open Mistral Nemo | Mistral AI | 128k | — | $0.15 | $0.15 |
| Magistral Small 2509Legacy | Mistral AI | 128k | — | $0.5 | $1.5 |
| Magistral Small LatestLegacy | Mistral AI | 128k | — | $0.5 | $1.5 |
| Mistral Small 2506Legacy | Mistral AI | 128k | — | $0.1 | $0.3 |
| GPT-4oLegacy | OpenAI | 128k | 16k | $2.5 | $10 |
Frequently asked questions
The largest context window tracked in Sim is 1.05M tokens, on GPT-6.1 Sol by OpenAI and 10 other models. Sim tracks context windows for 135 models across 12 providers.
