Gemini 2.5 Flash (May 2025)
ECI#100
142Gemini 2.5 Flash (May 2025) is a closed-weights model from Google DeepMind, released May 20, 2025. It has an ECI score of 142 and ranks 100th of 249 tracked models. At the time of its release, it ranked 6th of 137 tracked models. At $0.15/Mtok for input tokens and $0.60/Mtok for output tokens, it is less expensive per token than similarly-capable models.
Input price$0.15 / 1M tokens
Output price$0.60 / 1M tokens
ParametersUnknown
Training computeUnknown
Gemini 2.5 Flash (May 2025) vs select alternatives
Reasoning
| Domain | Benchmark | Gemini 2.5 Flash (May 2025) | |||
|---|---|---|---|---|---|
ECI scoreBest score 166 | 142 | 140 | 142 | 142 | |
| Ranking | #100 | #110 | #94 | #99 | |
| Conceptual reasoning | ARC-AGI-2Best score 95.0% | ||||
ARC-AGI-1Best score 98.5% | |||||
| Long context | Fiction.liveBenchBest score 97.2% | ||||
| Mathematics | OTIS Mock AIME 2024-2025Best score 100.0% | ||||
| Multimodal | EnigmaEvalBest score 39.3% | ||||
GeoBenchBest score 88.0% | |||||
| Science | Humanity's Last ExamBest score 46.5% | ||||
| Software engineering | Aider PolyglotBest score 88.0% | ||||
WeirdML (v2)Best score 92.9% |
