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Meta | Anthropic | xAI | ||
|---|---|---|---|---|
| Vendor | Meta | Anthropic | xAI | |
| Family | Llama | Claude | Gemini | Grok |
| Release date | 2025-04-05 | 2026-02-17 | 2026-05-20 | 2025-07-09 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 1,000,000 tokens | 256,000 tokens |
| Parameters | 400B | — | — | — |
| Modality | text, vision | text, vision | text, vision, audio, video | text |
| License | Llama 4 Community License | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | Mixture-of-experts open-weight model from Meta. | Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context. | Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model. | — |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 80.5% | 85.4% | — | 82.8% |
| GPQA-D | — | 85.8% | — | 87.5% |
| HumanEval | — | 95.9% | — | — |
| Aider | — | 83.6% | — | 72.5% |
| AIME-25 | — | 87.4% | — | 86.1% |
| LiveCB | — | 73.8% | — | 65.3% |
| MMMU | 68.5% | — | 82.5% | — |
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