Gemini 3.0 FlashvsComposer 2.5

Gemini 3.0 Flash
Composer 2.5
API pricing
Cheapest input
$0.25Google AI Studio
Cheapest output
$1.50Google AI Studio
Benchmarks
SWE-Bench Pro
49.6%54%
Terminal-Bench 2.1
58%73%
Benchmarks
ProgramBench
0%
SWE-Bench Verified
78%
SWE-Bench Multilingual
79.8%
DeepSWE 1.0
18%
Next.js Evals
81%
Terminal-Bench 2.0
69.3%
MCP Atlas
62%
Toolathlon
49.4%
Humanity's Last Exam · no tools
33.7%
ARC-AGI-2
33.6%
GPQA Diamond
90.4%
OSWorld-Verified
65.1%
Finance Agent v2
42.6%
GDPval-AA
1204
CharXiv Reasoning
80.3%
MMMU-Pro
81.2%
Blueprint-Bench 2
0%
MRCR v2 (8-needle) · 128k average
67.2%
MRCR v2 (8-needle) · 1M pointwise
22.1%
threejseval
1137
Overview
CompanyGoogleSpaceXAI
Release dateDec 17 2025May 18 2026
AccessProprietaryProprietary

Other comparisons

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Frequently asked questions

Composer 2.5 leads Gemini 3.0 Flash on 2 of the 2 benchmarks they both report (SWE-Bench Pro, Terminal-Bench 2.1). Gemini 3.0 Flash shipped 152 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On SWE-Bench Pro, Composer 2.5 leads at 54% vs Gemini 3.0 Flash at 49.6%. On Terminal-Bench 2.1, Composer 2.5 leads at 73% vs Gemini 3.0 Flash at 58%.