# AI Models with the Largest Context Windows

As of October 21, 2026, among LiteLLM's active models with a 32K-token context window or more, offered by at least two providers or by their own lab, GPT-5.4 has the largest context window, at 1,050,000 tokens, from OpenAI.

- Page: https://models.litellm.ai/rankings/largest-context-window
- How it's sorted: Sorted by context window, largest first; ties sorted by blended price. Only active models with a 32K-token context window or more, offered by at least two providers or by their own lab. Free models are left out.

| # | Model | Lab | Context window | Price per 1M (in / out) | Context | Providers |
|---|---|---|---|---|---|---|
| 1 | [GPT-5.4](https://models.litellm.ai/models/gpt-5.4) | OpenAI | 1,050,000 tokens | $2.50 / $15.00 | 1M | 9 |
| 2 | [GPT-5.5](https://models.litellm.ai/models/gpt-5.5) | OpenAI | 1,050,000 tokens | $5.00 / $30.00 | 1M | 10 |
| 3 | [Nvidia Nemotron 3.5 Super VL 120B A12B](https://models.litellm.ai/models/nvidia-nemotron-3.5-super-vl-120b-a12b) | NVIDIA | 1,049,000 tokens | $0.15 / $0.75 | 1M | 2 |
| 4 | [DeepSeek V4.1 Flash](https://models.litellm.ai/models/deepseek-v4.1-flash) | DeepSeek | 1,048,576 tokens | $0.09 / $0.30 | 1M | 14 |
| 5 | [Gemini 2.5 Flash Lite](https://models.litellm.ai/models/gemini-2.5-flash-lite) | Google | 1,048,576 tokens | $0.10 / $0.40 | 1M | 3 |
| 6 | [Gemini 2.5 Flash Lite Preview](https://models.litellm.ai/models/gemini-2.5-flash-lite-preview) | Google | 1,048,576 tokens | $0.10 / $0.40 | 1M | 1 |
| 7 | [Mimo V2.6 Flash](https://models.litellm.ai/models/mimo-v2.6-flash) | Xiaomi | 1,048,576 tokens | $0.14 / $0.28 | 1M | 1 |
| 8 | [Mimo V2.5](https://models.litellm.ai/models/mimo-v2.5) | Xiaomi | 1,048,576 tokens | $0.168 / $0.336 | 1M | 2 |
| 9 | [GLM 5.3 Flash](https://models.litellm.ai/models/glm-5.3-flash) | Z.ai | 1,048,576 tokens | $0.15 / $0.50 | 1M | 14 |
| 10 | [DeepSeek V4.1 Flash Fast](https://models.litellm.ai/models/deepseek-v4.1-flash-fast) | DeepSeek | 1,048,576 tokens | $0.01 / $1.20 | 1M | 2 |
| 11 | [Mimo V2.6 Pro](https://models.litellm.ai/models/mimo-v2.6-pro) | Xiaomi | 1,048,576 tokens | $0.435 / $0.87 | 1M | 1 |
| 12 | [Beam 1.0 501B A23B](https://models.litellm.ai/models/beam-1.0-501b-a23b) | – | 1,048,576 tokens | $0.40 / $1.20 | 1M | 2 |
| 13 | [Mimo V2.5 Pro](https://models.litellm.ai/models/mimo-v2.5-pro) | Xiaomi | 1,048,576 tokens | $0.522 / $1.044 | 1M | 2 |
| 14 | [Gemini 2.5 Flash](https://models.litellm.ai/models/gemini-2.5-flash) | Google | 1,048,576 tokens | $0.30 / $2.50 | 1M | 8 |
| 15 | [Gemini 2.5 Flash Preview](https://models.litellm.ai/models/gemini-2.5-flash-preview) | Google | 1,048,576 tokens | $0.30 / $2.50 | 1M | 1 |
| 16 | [Gemini 3.5 Flash Lite](https://models.litellm.ai/models/gemini-3.5-flash-lite) | Google | 1,048,576 tokens | $0.30 / $2.50 | 1M | 5 |
| 17 | [Gemini Exp](https://models.litellm.ai/models/gemini-exp) | Google | 1,048,576 tokens | $0.30 / $2.50 | 1M | 1 |
| 18 | [Gemini Flash Lite](https://models.litellm.ai/models/gemini-flash-lite) | Google | 1,048,576 tokens | $0.30 / $2.50 | 1M | 1 |
| 19 | [Gemini Robotics Er 1.5 Preview](https://models.litellm.ai/models/gemini-robotics-er-1.5-preview) | Google | 1,048,576 tokens | $0.30 / $2.50 | 1M | 1 |
| 20 | [Mistral Large 4](https://models.litellm.ai/models/mistral-large-4) | Mistral AI | 1,048,576 tokens | $0.68 / $2.09 | 1M | 1 |