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 Gemini 3.5 Flash |  o3OpenAI |  Mistral Large 2Mistral | Gemini 2.5 Flash | |
|---|---|---|---|---|
| Vendor | OpenAI | Mistral | ||
| Family | Gemini | o-series | Mistral | Gemini |
| Release date | 2026-05-20 | 2025-04-16 | 2024-07-24 | 2025-06-17 |
| Context window | — | 200,000 tokens | 128,000 tokens | 1,000,000 tokens |
| Parameters | — | — | 123B | — |
| Modality | text, vision, audio | text, vision | text | text, vision, audio |
| License | proprietary | proprietary | Mistral Research License | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | 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. | Reasoning-focused model in the o-series. | Large text-only Mistral model with a 128K context window and 123B parameters, tuned for strong instruction following and long-context reasoning. Mistral's flagship open-weights release in the Large 2 line. | Google's cost-and-latency-optimized Gemini 2.5 variant. Generally available June 2025 — designed for high-throughput agentic workflows with sub-second first-token latency. |
| Links | ||||
| Benchmarks | ||||
| GPQA-D | — | 87.7% | — | — |
| HumanEval | — | — | 89.0% | — |
| AIME-25 | — | 88.9% | — | — |
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