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DeepSeek | Alibaba | Anthropic | OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | Alibaba | Anthropic | OpenAI |
| Family | DeepSeek | Qwen | Claude | GPT |
| Release date | 2025-01-20 | 2025-04-29 | 2026-05-28 | 2025-08-07 |
| Context window | 128,000 tokens | 128,000 tokens | 1,000,000 tokens | 400,000 tokens |
| Parameters | 671B | 235B | — | — |
| Modality | text | text | text, vision | text, vision, audio |
| License | MIT | Apache-2.0 | proprietary | proprietary |
| Source | open weights | open weights | proprietary | proprietary |
| Description | Reasoning-focused open-weight model. | Predecessor to the Qwen3.6 family. | 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. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | — | 85.1% |
| GPQA-D | — | — | — | 87.3% |
| HumanEval | — | — | — | 95.2% |
| Aider | — | — | — | 85.4% |
| AIME-25 | 79.8% | — | — | 91.0% |
| LiveCB | — | — | — | 74.5% |
| MMMU | — | — | — | 74.1% |
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