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Gemini 2.5 Flash

Google · Released 17 Jun 2025 · gemini-2.5-flash

Compare this model
ProprietaryExisting users onlyBudgetReasoning

$0.30

Input price / 1M tokens

$2.50

Output price / 1M tokens

1.05M

Context window

#11 of 71

191

Output tokens / second

#11 of 61

11%

Humanity’s Last Exam (no tools)

#20 of 23

82.8%

GPQA Diamond

#21 of 27

72%

AIME 2025

#7 of 7

66.7%

MMMU-Pro

#8 of 12

Summary

Gemini 2.5 Flash is a proprietary model from Google, released on 17 Jun 2025.

Its 1.05M-token context window ranks #11 of 71.

Measured output speed is 191 tokens per second, #11 of 61.

Gemini 2.5 hybrid reasoning model with thinking budgets and a 1M context, aimed at large-scale, low-latency work. Closed to new users.

Benchmarks · 7 reported

BenchmarkScoreBarRankSource
Humanity’s Last Exam (no tools)no tools, thinking11%#20 of 23Google Gemini 3 Flash model card (Gemini 2.5 Flash column, Dec 2025)Self-reported
GPQA Diamondno tools82.8%#21 of 27Google Gemini 3 Flash model card (Gemini 2.5 Flash column, Dec 2025)Self-reported
AIME 2025no tools (75.7% with code execution)72%#7 of 7Google Gemini 3 Flash model card (Gemini 2.5 Flash column, Dec 2025)Self-reported
MMMU-Pro66.7%#8 of 12Google Gemini 3 Flash model card (Gemini 2.5 Flash column, Dec 2025)Self-reported
SWE-bench Verifiedsingle attempt60.4%#11 of 12Google Gemini 3 Flash model card (Gemini 2.5 Flash column, Dec 2025)Self-reported
Terminal-Bench 2.0Terminus 2 harness16.9%#7 of 7Google Gemini 3 Flash model card (Gemini 2.5 Flash column, Dec 2025)Self-reported
MRCR v2 (8-needle)128k average (21.0% at 1M pointwise)54.3%#11 of 13Google Gemini 3 Flash model card (Gemini 2.5 Flash column, Dec 2025)Self-reported

Self-reported means the lab ran the test itself. A rank appears only where several labs report the same version of a benchmark.

Similar models

Models with the most benchmarks in common with Gemini 2.5 Flash, and the closest scores.

Compare 4 side by side

Humanity’s Last Exam (no tools)

#20 of 23

Expert questions, no search or code

GPQA Diamond

#21 of 27

Graduate-level science questions

AIME 2025

#7 of 7

Competition mathematics

MMMU-Pro

#8 of 12

Hard questions that need an image

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