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 GPT-5 ProOpenAI |  DeepSeek-R1DeepSeek |  Claude 4.5 HaikuAnthropic | DeepSeek-V3.1 DeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | Anthropic | DeepSeek |
| Family | GPT | DeepSeek | Claude | DeepSeek |
| Release date | 2025-08-07 | 2025-01-20 | 2025-10-01 | 2025-08-21 |
| Context window | 400,000 tokens | 128,000 tokens | 200,000 tokens | 128,000 tokens |
| Parameters | — | 671B | — | 671B |
| Modality | text, vision, audio | text | text, vision | text |
| License | proprietary | MIT | proprietary | MIT |
| Source | proprietary | open weights | proprietary | open weights |
| Description | Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth. | Reasoning-focused open-weight model. | Fast, cost-effective Claude model. | Large MoE open-weight model. Predecessor to DeepSeek-V4. |
| Links | ||||
| Benchmarks | ||||
| AIME-25 | — | 79.8% | — | — |
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GPT-5.6 SolmaxClaude 4.8 Opusmax
Qwen3.7-Maxmax
Gemini 3.5 FlashmaxGemini 3.5maxGemini OmnimaxGPT-5.5maxDeepSeek-V4-FlashmaxGemini 3 PromaxDeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 Haiku✓DeepSeek-V3.1✓GPT-5 Pro✓GPT-5max
Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.