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 o3OpenAI |  DeepSeek-V4-FlashDeepSeek | DeepSeek-R1 DeepSeek |  Grok 4xAI | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | DeepSeek | xAI |
| Family | o-series | DeepSeek | DeepSeek | Grok |
| Release date | 2025-04-16 | 2026-04-22 | 2025-01-20 | 2025-07-09 |
| Context window | 200,000 tokens | 1,000,000 tokens | 128,000 tokens | 256,000 tokens |
| Parameters | — | 284B (13B active) | 671B | — |
| Modality | text, vision | text | text | text |
| License | proprietary | MIT | MIT | proprietary |
| Source | proprietary | open weights | open weights | proprietary |
| Description | Reasoning-focused model in the o-series. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | Reasoning-focused open-weight model. | — |
| Links |
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Gemini 2.5 Flashmax
Claude 4.6 SonnetmaxGPT-5.5maxDeepSeek-V4-Flash✓
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5maxGrok 4✓Qwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.