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Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 o3OpenAI | GPT-4.1 OpenAI |  DeepSeek-V3.1DeepSeek |  Grok 4xAI | |
|---|---|---|---|---|
| Vendor | OpenAI | OpenAI | DeepSeek | xAI |
| Family | o-series | GPT | DeepSeek | Grok |
| Release date | 2025-04-16 | 2025-04-14 | 2025-08-21 | 2025-07-09 |
| Context window | 200,000 tokens | 1,000,000 tokens | 128,000 tokens | 256,000 tokens |
| Parameters | — | — | 671B | — |
| Modality | text, vision | text, vision | text | text |
| License | proprietary | proprietary | MIT | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | Reasoning-focused model in the o-series. | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — |
| Links |
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Gemini 2.5 Flashmax
Claude 4.6 SonnetmaxGPT-5.5maxDeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5maxGrok 4✓Qwen3 235Bmaxo3✓GPT-4.1✓
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.