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Gemini 2.5 Flash (Sep 2025)

ECI#111
142
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 142 and ranks 111th of 240 tracked models. At the time of its release, it ranked 14th of 140 tracked models.

Gemini 2.5 Flash (Sep 2025) vs select alternatives

DomainBenchmark
Gemini 2.5 Flash (Sep 2025)
Google DeepMind
Sep. 25, 2025
Closed weights
Gemini 2.5 Flash (May 2025)
Google DeepMind
May 20, 2025
Closed weights
Gemini 2.5 Pro (Mar 2025)
Google DeepMind
Mar. 31, 2025
Closed weights
Claude Haiku 4.5
Anthropic
Oct. 15, 2025
Closed weights
ECI scoreBest score 173
142142144143
Ranking#111#115#103#109
Multimodal
VPCTBest score 91%
46%
n/a
48%
n/a
Software engineering
Terminal-Bench 2.0Best score 85%
17%
n/a
n/a
36%
WeirdML (v2)Best score 94%
42%
41%
n/a
45%

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