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 #138 across 526
Rank #173 across 436
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 | 31.1 | #138 |
| Artificial Analysis Coding Index | coding | 24.6 | #173 |
| Artificial Analysis Math Index | math | 78.3 | #71 |
| MMLU-Pro | reasoning | 84.2% | #41 |
| reasoning |
| 79.3% |
| #121 |
| Humanity's Last Exam | reasoning | 12.7% | #131 |
| LiveCodeBench | coding | 71.3% | #63 |
| SciCode | coding, reasoning | 40.5% | #100 |