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Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 GPT-4.1OpenAI |  Claude 4.6 SonnetAnthropic |  DeepSeek-V3.1DeepSeek | GPT-5 OpenAI | |
|---|---|---|---|---|
| Vendor | OpenAI | Anthropic | DeepSeek | OpenAI |
| Family | GPT | Claude | DeepSeek | GPT |
| Release date | 2025-04-14 | — | 2025-08-21 | 2025-08-07 |
| Context window | 1,000,000 tokens | 200,000 tokens | 128,000 tokens | 400,000 tokens |
| Parameters | — | — | 671B | — |
| Modality | text, vision | text, vision | text | text, vision, audio |
| License | proprietary | proprietary | MIT | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | — | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
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Gemini 2.5 FlashmaxClaude 4.6 Sonnet✓GPT-5.5maxDeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5✓
Grok 4maxQwen3 235Bmaxo3maxGPT-4.1✓
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.