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 Grok 4xAI |  DeepSeek-V3.1DeepSeek |  Claude 4.6 SonnetAnthropic |  GPT-5.5OpenAI | |
|---|---|---|---|---|
| Vendor | xAI | DeepSeek | Anthropic | OpenAI |
| Family | Grok | DeepSeek | Claude | GPT |
| Release date | 2025-07-09 | 2025-08-21 | — | 2026-04-23 |
| Context window | 256,000 tokens | 128,000 tokens | 200,000 tokens | 400,000 tokens |
| Parameters | — | 671B | — | — |
| Modality | text | text | text, vision | text, vision, audio |
| License | proprietary | MIT | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. |
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Gemini 2.5 FlashmaxClaude 4.6 Sonnet✓GPT-5.5✓DeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5maxGrok 4✓Qwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.