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DeepSeek | Alibaba | Meta | Anthropic | |
|---|---|---|---|---|
| Vendor | DeepSeek | Alibaba | Meta | Anthropic |
| Family | DeepSeek | Qwen | Llama | Claude |
| Release date | 2025-01-20 | 2026-05-20 | 2025-04-05 | 2026-04-16 |
| Context window | 128,000 tokens | 1,000,000 tokens | 10,000,000 tokens | 1,000,000 tokens |
| Parameters | 671B | — | 109B | — |
| Modality | text | text | text, vision | text, vision |
| License | MIT | proprietary | Llama 4 Community License | proprietary |
| Source | open weights | proprietary | open weights | proprietary |
| Description | Reasoning-focused open-weight model. | Alibaba's flagship agent model — 1M-token context, extended-thinking mode, 56.6 on the Artificial Analysis Intelligence Index v4.0 (5th overall, #1 Chinese). 50.8% on Terminal-Bench Hard. Designed for long-horizon agent workloads (hundreds-to-thousands of steps). Closed-weight, $2.50/$7.50 per 1M tokens. | — | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle).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. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 83.7% | — | 88.2% |
| GPQA-D | — | 83.0% | — | 90.1% |
| HumanEval | — | 93.9% | — | 97.4% |
| Aider | — | 78.4% | — | 91.2% |
| AIME-25 | 79.8% | 90.4% | — | 93.5% |
| LiveCB | — | 71.0% | — | 80.2% |
| MMMU | — | — | — | 79.0% |
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