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 Claude 4.6 SonnetAnthropic |  Qwen3 235BAlibaba |  DeepSeek-V4-FlashDeepSeek |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | Anthropic | Alibaba | DeepSeek | OpenAI |
| Family | Claude | Qwen | DeepSeek | o-series |
| Release date | 2026-02-17 | 2025-04-29 | 2026-04-22 | 2025-04-16 |
| Context window | 1,000,000 tokens | 128,000 tokens | 1,000,000 tokens | 200,000 tokens |
| Parameters | — | 235B | 284B (13B active) | — |
| Modality | text, vision | text | text | text, vision |
| License | proprietary | Apache-2.0 | MIT | proprietary |
| Source | proprietary | open weights | open weights | proprietary |
| 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. | Predecessor to the Qwen3.6 family. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | Reasoning-focused model in the o-series. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 85.4% | — | — | — |
| GPQA-D | 85.8% | — | — | 87.7% |
| HumanEval | 95.9% | — | — | — |
| Aider | 83.6% | — | — | — |
| AIME-25 | 87.4% | — | — | 88.9% |
| LiveCB | 73.8% | — | — | — |
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Claude 4.8 OpusmaxQwen3.7-Maxmax
Gemini 3.5maxGemini OmnimaxGPT-5.5maxQwen3.6-27BmaxDeepSeek-V4-Flash✓DeepSeek-V4-PromaxGemini 3 PromaxClaude 4.7 OpusmaxClaude 4.6 Sonnet✓Claude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5max
Grok 4maxGemini 2.5 FlashmaxQwen3 235B✓o3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.