Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 GPT-5.5OpenAI |  Grok 4xAI |  DeepSeek-V3.1DeepSeek |  Llama 4 ScoutMeta | |
|---|---|---|---|---|
| Vendor | OpenAI | xAI | DeepSeek | Meta |
| Family | GPT | Grok | DeepSeek | Llama |
| Release date | 2026-04-23 | 2025-07-09 | 2025-08-21 | 2025-04-05 |
| Context window | 400,000 tokens | 256,000 tokens | 128,000 tokens | 10,000,000 tokens |
| Parameters | — | — | 671B | 109B |
| Modality | text, vision, audio | text | text | text, vision |
| License | proprietary | proprietary | MIT | Llama 4 Community License |
| Source | proprietary | proprietary | open weights | open weights |
| Description | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — |
| Links |
Add a model
Gemini 2.5 Flashmax
Claude 4.6 SonnetmaxGPT-5.5✓DeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5maxGrok 4✓Qwen3 235Bmaxo3maxGPT-4.1maxLlama 4 Scout✓Llama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.