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 Claude 4.7 OpusAnthropic |  GPT-5.5OpenAI |  Gemini 3.5 | |
|---|---|---|---|
| Vendor | Anthropic | OpenAI | |
| Family | Claude | GPT | Gemini |
| Release date | 2026-04-16 | 2026-04-23 | 2026-05-20 |
| Context window | 1,000,000 tokens | 400,000 tokens | 2,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision | text, vision, audio | text, vision, audio, video |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle).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. | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. |
| Links | |||
| Benchmarks | |||
| MMLU-Pro | 88.2% | 87.6% | 88.9% |
| GPQA-D | 90.1% | 89.4% | 91.2% |
| HumanEval | 97.4% | 96.8% | — |
| Aider | 91.2% | 89.7% | — |
| AIME-25 | 93.5% | 94.2% | 96.1% |
| LiveCB | 80.2% | 78.9% | — |
| MMMU | 79.0% | 78.4% | 86.0% |
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