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 Claude 4.7 OpusAnthropic |  DeepSeek-R1DeepSeek |  GPT-4.1OpenAI | DeepSeek-V4-Flash DeepSeek | |
|---|---|---|---|---|
| Vendor | Anthropic | DeepSeek | OpenAI | DeepSeek |
| Family | Claude | DeepSeek | GPT | DeepSeek |
| Release date | 2026-04-16 | 2025-01-20 | 2025-04-14 | 2026-04-22 |
| Context window | 1,000,000 tokens | 128,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | 671B | — | 284B (13B active) |
| Modality | text, vision | text | text, vision | text |
| License | proprietary | MIT | proprietary | MIT |
| Source | proprietary | open weights | 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| Description | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle).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. | Reasoning-focused open-weight model. | — | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. |
| 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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Claude 4.8 Opusmax
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