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xAI | Meta | Anthropic | ||
|---|---|---|---|---|
| Vendor | xAI | Meta | Anthropic | |
| Family | Grok | Gemini | Llama | Claude |
| Release date | 2025-07-09 | 2026-05-20 | 2025-04-05 | 2026-02-17 |
| Context window | 256,000 tokens | 2,000,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | 400B | — |
| Modality | text | text, vision, audio, video | text, vision | text, vision |
| License | proprietary | proprietary | Llama 4 Community License | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | — | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. | 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. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 82.8% | 88.9% | 80.5% | 85.4% |
| GPQA-D | 87.5% | 91.2% | — | 85.8% |
| HumanEval | — | — | — | 95.9% |
| Aider | 72.5% | — | — | 83.6% |
| AIME-25 | 86.1% | 96.1% | — | 87.4% |
| LiveCB | 65.3% | — | — | 73.8% |
| MMMU | — | 86.0% | 68.5% | — |
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