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 GPT-5 ProOpenAI |  Gemini 3.5 Flash | GPT-4.1 OpenAI | |
|---|---|---|---|
| Vendor | OpenAI | OpenAI | |
| Family | GPT | Gemini | GPT |
| Release date | 2025-08-07 | 2026-05-20 | 2025-04-14 |
| Context window | 400,000 tokens | — | 1,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision, audio | text, vision, audio | text, vision |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth. | Fast, low-cost tier of the Gemini 3.5 family announced at Google I/O 2026. June 2026 update added native computer-use capability, moving Flash from generation to agentic task execution. | — |
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GPT-5.6 Sol+
Claude 4.8 Opus+
Qwen3.7-Max+Gemini 3.5 Flash✓Gemini 3.5+Gemini Omni+GPT-5.5+
DeepSeek-V4-Flash+Gemini 3 Pro+DeepSeek-V4-Pro+Qwen3.6-27B+Claude 4.7 Opus+Claude 4.6 Sonnet+Claude 4.5 Haiku+DeepSeek-V3.1+GPT-5 Pro✓GPT-5+
Grok 4+Gemini 2.5 Flash+Qwen3 235B+o3+GPT-4.1✓
Llama 4 Scout+Llama 4 Maverick+Gemini 2.5 Pro+DeepSeek-R1+
Mistral Large 2+