Gemini 2.5 Flash Preview (Sep '25) (Reasoning)
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 modelsOperational Metrics
Output Speedn/a
First Tokenn/a
Blended Price-
Model Metadata
Queryable facts extracted from the upstream model payload.
ReleaseSep 25, 2025
Context Windown/a
Modalitiesn/a
Strength: MMLU-Pro
Rank #41 across 345 models.
84.2%
Strength: LCB
Rank #63 across 343 models.
71.3%
Strength: SciCode
Rank #87 across 472 models.
40.5%
Strength Profile
Percentile score by analysis domain.
Benchmark Percentiles
Higher bars mean stronger relative placement.
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 31.1 | #136 |
| Artificial Analysis Coding Index | coding | 24.6 | #153 |
| Artificial Analysis Math Index | math | 78.3 | #71 |
| MMLU-Pro | reasoning | 84.2% | #41 |