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Gemini 2.5 Flash (Sep 2025)

ECI#103
143
Google DeepMind
Sep. 25, 2025
Closed weights

Gemini 2.5 Flash (Sep 2025) is a closed-weights model from Google DeepMind, released September 25, 2025. It has an ECI score of 143 and ranks 103rd of 253 tracked models. At the time of its release, it ranked 12th of 155 tracked models.

Gemini 2.5 Flash (Sep 2025) vs select alternatives

DomainBenchmark
Gemini 2.5 Flash (Sep 2025)
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Sep. 25, 2025
Closed weights
Gemini 2.5 Pro (May 2025)
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May 6, 2025
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Gemini 2.5 Pro (Mar 2025)
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Mar. 31, 2025
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Claude Haiku 4.5
Anthropic
Oct. 15, 2025
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ECI scoreBest score 169
143142144142
Ranking#103#110#97#109
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VPCTBest score 91%
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Model metadata

General
OrganizationGoogle DeepMind
Release dateSep. 25, 2025
Model accessibilityClosed weights
CountryUnited States of America
Knowledge cutoffUnknown
Provider notesOur powerful and most efficient workhorse model designed for speed and low-cost.
Pricing
Input price$0.30 / 1M tokens
Output price$2.50 / 1M tokens
Training
ParametersUnknown
Training computeUnknown
Training hardwareUnknown
Training timeUnknown
Training dataset sizeUnknown