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OpenAI | Anthropic | Meta | ||
|---|---|---|---|---|
| Vendor | OpenAI | Anthropic | Meta | |
| Family | o-series | Claude | Llama | Gemini |
| Release date | 2025-04-16 | 2026-04-16 | 2025-04-05 | 2025-03-25 |
| Context window | 200,000 tokens | 1,000,000 tokens | 10,000,000 tokens | 2,000,000 tokens |
| Parameters | — | — | 109B | — |
| Modality | text, vision | text, vision | text, vision | text, vision, audio, video |
| License | proprietary | proprietary | Llama 4 Community License | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | Reasoning-focused model in the o-series. | Anthropic's most capable model, optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6. | — | Predecessor to Gemini 3 Pro. |
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