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 o3OpenAI |  DeepSeek-V4-ProDeepSeek |  Claude 4.6 SonnetAnthropic | DeepSeek-V3.1 DeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | Anthropic | DeepSeek |
| Family | o-series | DeepSeek | Claude | DeepSeek |
| Release date | 2025-04-16 | 2026-04-22 | 2026-02-17 | 2025-08-21 |
| Context window | 200,000 tokens | 1,000,000 tokens | 1,000,000 tokens | 128,000 tokens |
| Parameters | — | 1.6T (49B active) | — | 671B |
| Modality | text, vision | text | text, vision | text |
| License | proprietary | MIT | proprietary | MIT |
| Source | proprietary | open weights | proprietary | open weights |
| Description | Reasoning-focused model in the o-series. | DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs. | 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. | Large MoE open-weight model. Predecessor to DeepSeek-V4. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 84.2% | 85.4% | — |
| GPQA-D | 87.7% | 82.4% | 85.8% | — |
| HumanEval | — | 95.1% | 95.9% | — |
| Aider | — | 80.1% | 83.6% | — |
| AIME-25 | 88.9% | 88.6% | 87.4% | — |
| LiveCB | — | 72.4% | 73.8% | — |
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Claude 4.8 Opusmax
Qwen3.7-Maxmax
Gemini 3.5maxGemini OmnimaxGPT-5.5maxQwen3.6-27BmaxDeepSeek-V4-FlashmaxDeepSeek-V4-Pro✓Gemini 3 PromaxClaude 4.7 OpusmaxClaude 4.6 Sonnet✓Claude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5max
Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.