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 Claude 4.6 SonnetAnthropic |  DeepSeek-V4-ProDeepSeek |  Grok 4xAI |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | Anthropic | DeepSeek | xAI | OpenAI |
| Family | Claude | DeepSeek | Grok | o-series |
| Release date | — | 2026-04-22 | 2025-07-09 | 2025-04-16 |
| Context window | 200,000 tokens | 1,000,000 tokens | 256,000 tokens | 200,000 tokens |
| Parameters | — | 1.6T (49B active) | — | — |
| Modality | text, vision | text | text | text, vision |
| License | proprietary | MIT | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | — | 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. | — | Reasoning-focused model in the o-series. |
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Gemini 2.5 FlashmaxClaude 4.6 Sonnet✓GPT-5.5maxDeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-Pro✓Claude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5maxGrok 4✓Qwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.