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OpenAI | Anthropic | DeepSeek | |
|---|---|---|---|
| Vendor | OpenAI | Anthropic | DeepSeek |
| Family | GPT | Claude | DeepSeek |
| Release date | 2025-08-07 | 2025-10-01 | 2025-01-20 |
| Context window | 400,000 tokens | 200,000 tokens | 128,000 tokens |
| Parameters | — | — | 671B |
| Modality | text, vision, audio | text, vision | text |
| License | proprietary | proprietary | MIT |
| Source | proprietary | 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. | Fast, cost-effective Claude model. | Reasoning-focused open-weight model. |
| Links | |||
| Benchmarks | |||
| AIME-25 | — | — | 79.8% |