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Anthropic | OpenAI | Anthropic | ||
|---|---|---|---|---|
| Vendor | Anthropic | OpenAI | Anthropic | |
| Family | Claude | Gemini | o-series | Claude |
| Release date | 2025-10-01 | 2026-05-20 | 2025-04-16 | 2026-04-16 |
| Context window | 200,000 tokens | 2,000,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision | text, vision, audio, video | text, vision | text, vision |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Fast, cost-effective Claude model. | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. | Reasoning-focused model in the o-series. | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle).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. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 88.9% | — | 88.2% |
| GPQA-D | — | 91.2% | 87.7% | 90.1% |
| HumanEval | — | — | — | 97.4% |
| Aider | — | — | — | 91.2% |
| AIME-25 | — | 96.1% | 88.9% | 93.5% |
| LiveCB | — | — | — | 80.2% |
| MMMU | — | 86.0% | — | 79.0% |
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