Gemini 2.5 Pro (Mar 2025) is a closed-weights model from Google DeepMind, released March 31, 2025. It has an ECI score of 144 and ranks 82nd of 249 tracked models. At the time of its release, it ranked 1st of 120 tracked models. At $1.25/Mtok for input tokens and $10/Mtok for output tokens, it is more expensive per token than similarly-capable models.
| Domain | Benchmark | ||||
|---|---|---|---|---|---|
ECI scoreBest score 166 | 144 | 135 | 142 | 141 | |
| Ranking | #82 | #132 | #98 | #103 | |
| Conceptual reasoning | SimpleBenchBest score 81.9% | ||||
ARC-AGI-1Best score 98.5% | |||||
| Long context | ForecastBenchBest score 62.5 | 61.3 | — | — | 61.8 |
Fiction.liveBenchBest score 97.2% | |||||
| Mathematics | MATH Level 5Best score 98.1% | ||||
| Science | Humanity's Last ExamBest score 46.5% | ||||
GPQA DiamondBest score 95.8% | |||||
| Software engineering | Aider PolyglotBest score 88.0% | ||||
| Other | LiveBenchBest score 82.3% |