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OpenAI | Anthropic | Meta | ||
|---|---|---|---|---|
| Vendor | OpenAI | Anthropic | Meta | |
| Family | GPT | Gemini | Claude | Llama |
| Release date | 2025-04-14 | 2026-05-20 | 2026-04-16 | 2025-04-05 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | 400B |
| Modality | text, vision | text, vision, audio, video | text, vision | text, vision |
| License | proprietary | proprietary | proprietary | Llama 4 Community License |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | — | Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model. | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle).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. | Mixture-of-experts open-weight model from Meta. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | 88.2% | 80.5% |
| GPQA-D | — | — | 90.1% | — |
| HumanEval | — | — | 97.4% | — |
| Aider | — | — | 91.2% | — |
| AIME-25 | — | — | 93.5% | — |
| LiveCB | — | — | 80.2% | — |
| MMMU | — | 82.5% | 79.0% | 68.5% |
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