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 DeepSeek-V3.1DeepSeek |  GPT-5OpenAI |  Claude 4.5 HaikuAnthropic | DeepSeek-V4-Flash DeepSeek | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | Anthropic | DeepSeek |
| Family | DeepSeek | GPT | Claude | DeepSeek |
| Release date | 2025-08-21 | 2025-08-07 | 2025-10-01 | 2026-04-22 |
| Context window | 128,000 tokens | 400,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | 671B | — | — | 284B (13B active) |
| Modality | text | text, vision, audio | text, vision | text |
| License | MIT | proprietary | proprietary | MIT |
| Source | open weights | proprietary | proprietary | open weights |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Fast, cost-effective Claude model. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. |
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Gemini 2.5 FlashmaxClaude 4.6 SonnetmaxGPT-5.5maxDeepSeek-V4-Flash✓
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 Haiku✓DeepSeek-V3.1✓GPT-5✓
Grok 4maxQwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.