Gemini 2.5 Flash Preview (Sep '25) (Reasoning) is a Google Gemini 2.5 model, part of the Gemini generation that emphasized thinking, long-context work, multimodal reasoning, and developer access through AI Studio and Vertex AI. The profile lets you compare the specific Pro, Flash, or Flash-Lite variant on measured quality, speed, and cost.
Gemini 2.5 thinking modelsRank #209 across 600
No rank
No rank
Percentile score by analysis domain.
Higher bars mean stronger relative placement.
Streaming speed is not measured for this model yet.
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 23.8 | #209 |
| Artificial Analysis Math Index | math | 78.3 | #71 |
| MMLU-Pro | reasoning | 84.2% | #39 |
| GPQA | reasoning | 79.3% | #162 |
| Humanity's Last Exam |
| reasoning |
| 12.7% |
| #175 |
| LiveCodeBench | coding | 71.3% | #63 |
| SciCode | coding, reasoning | 40.5% | #141 |