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 GPT-5OpenAI |  Gemini 3 Pro | Gemini 2.5 Flash |  DeepSeek-V3.1DeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | ||
| Family | GPT | Gemini | Gemini | DeepSeek |
| Release date | 2025-08-07 | 2026-04-22 | — | 2025-08-21 |
| Context window | 400,000 tokens | 2,000,000 tokens | 1,000,000 tokens | 128,000 tokens |
| Parameters | — | — | — | 671B |
| Modality | text, vision, audio | text, vision, audio, video | text, vision, audio | text |
| License | proprietary | proprietary | proprietary | MIT |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers. | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. |
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Gemini 2.5 Flash✓
Claude 4.6 SonnetmaxGPT-5.5maxDeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 Pro✓DeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5✓
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Mistral Large 2maxMax 4 models. Remove one to add another.