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 Claude 4.7 OpusAnthropic |  GPT-5 ProOpenAI | GPT-4.1 OpenAI |  DeepSeek-R1DeepSeek | |
|---|---|---|---|---|
| Vendor | Anthropic | OpenAI | OpenAI | DeepSeek |
| Family | Claude | GPT | GPT | DeepSeek |
| Release date | 2026-04-16 | 2025-08-07 | 2025-04-14 | 2025-01-20 |
| Context window | 1,000,000 tokens | 400,000 tokens | 1,000,000 tokens | 128,000 tokens |
| Parameters | — | — | — | 671B |
| Modality | text, vision | text, vision, audio | text, vision | text |
| License | proprietary | proprietary | proprietary | MIT |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle). Optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6. | 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. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 88.2% | — | — | — |
| GPQA-D | 90.1% | — | — | — |
| HumanEval | 97.4% | — | — | — |
| Aider | 91.2% | — | — | — |
| AIME-25 | 93.5% | — | — | 79.8% |
| LiveCB | 80.2% | — | — | — |
| MMMU | 79.0% | — | — | — |
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