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 DeepSeek-V4-FlashDeepSeek |  GPT-5OpenAI | o3 OpenAI |  Grok 4xAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | OpenAI | xAI |
| Family | DeepSeek | GPT | o-series | Grok |
| Release date | 2026-04-22 | 2025-08-07 | 2025-04-16 | 2025-07-09 |
| Context window | 1,000,000 tokens | 400,000 tokens | 200,000 tokens | 256,000 tokens |
| Parameters | 284B (13B active) | — | — | — |
| Modality | text | text, vision, audio | text, vision | text |
| License | MIT | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Reasoning-focused model in the o-series. | — |
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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-5✓Grok 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.