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 GPT-5OpenAI |  Claude 4.6 SonnetAnthropic |  DeepSeek-V3.1DeepSeek | DeepSeek-V4-Pro DeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | Anthropic | DeepSeek | DeepSeek |
| Family | GPT | Claude | DeepSeek | DeepSeek |
| Release date | 2025-08-07 | — | 2025-08-21 | 2026-04-22 |
| Context window | 400,000 tokens | 200,000 tokens | 128,000 tokens | 1,000,000 tokens |
| Parameters | — | — | 671B | 1.6T (49B active) |
| Modality | text, vision, audio | text, vision | text | text |
| License | proprietary | proprietary | MIT | MIT |
| Source | proprietary | proprietary | open weights | open weights |
| Description | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. | DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs. |
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Gemini 2.5 FlashmaxClaude 4.6 Sonnet✓GPT-5.5maxDeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-Pro✓Claude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5✓
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Mistral Large 2maxMax 4 models. Remove one to add another.