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Anthropic | OpenAI | Meta | ||
|---|---|---|---|---|
| Vendor | Anthropic | OpenAI | Meta | |
| Family | Gemini | Claude | o-series | Llama |
| Release date | 2026-05-20 | 2026-05-28 | 2025-04-16 | 2025-04-05 |
| Context window | 2,000,000 tokens | 1,000,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | 400B |
| Modality | text, vision, audio, video | text, vision | text, vision | text, vision |
| License | proprietary | proprietary | proprietary | Llama 4 Community License |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. | Anthropic's flagship hybrid-reasoning model — Opus 4.8 pushes coding and AI-agent workflows further (agentic coding 69.2% vs 64.3% on 4.7; multidisciplinary reasoning 57.9% vs 54.7%). 1M-token context, $5/$25 per MTok pricing held flat from Opus 4.7. Introduces Dynamic Workflows for Claude Code (research preview). GA on Anthropic API (`claude-opus-4-8`), AWS Bedrock, Google Vertex, Microsoft Foundry, and GitHub Copilot. | Reasoning-focused model in the o-series. | Mixture-of-experts open-weight model from Meta. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 88.9% | — | — | 80.5% |
| GPQA-D | 91.2% | — | 87.7% | — |
| AIME-25 | 96.1% | — | 88.9% | — |
| MMMU | 86.0% | — | — | 68.5% |
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