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 Claude 4.6 SonnetAnthropic |  Qwen3.7-MaxAlibaba |  o3OpenAI |  DeepSeek-V3.1DeepSeek | |
|---|---|---|---|---|
| Vendor | Anthropic | Alibaba | OpenAI | DeepSeek |
| Family | Claude | Qwen | o-series | DeepSeek |
| Release date | 2026-02-17 | 2026-05-20 | 2025-04-16 | 2025-08-21 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 200,000 tokens | 128,000 tokens |
| Parameters | — | — | — | 671B |
| Modality | text, vision | text | text, vision | text |
| License | proprietary | proprietary | proprietary | MIT |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | 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. | 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. | Reasoning-focused model in the o-series. | Large MoE open-weight model. Predecessor to DeepSeek-V4. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 85.4% | 83.7% | — | — |
| GPQA-D | 85.8% | 83.0% | 87.7% | — |
| HumanEval | 95.9% | 93.9% | — | — |
| Aider | 83.6% | 78.4% | — | — |
| AIME-25 | 87.4% | 90.4% | 88.9% | — |
| LiveCB | 73.8% | 71.0% | — | — |
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Claude 4.8 OpusmaxQwen3.7-Max✓
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Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.