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Gemini 2.5 Flash Preview (09/2025) – Thinking

gemini-2.5-flash-preview-09-2025-thinking
Provider logo

Gemini 2.5 Flash Preview (09/2025) – Thinking

gemini-2.5-flash-preview-09-2025-thinking

Same checkpoint with thinking enabled by default for deeper reasoning and stepwise analysis on complex tasks. Routed to Gemini 2.5 Flash Thinking (stable).

Added Sep 25, 2025

Context Window

1.0M

Max Output

65.5K

Input Price (Auto)

$0.30/1M

Output Price (Auto)

$2.50/1M

Cache Read (Auto)

$0.030/1M

Capabilities

Benchmarks

Performance metrics and benchmarks

Sourced from Artificial Analysis.

Intelligence Index

17.7

Better than 50% of models compared

Reasoning

GPQA Diamond

Graduate-level scientific reasoning

69.8%

Better than 50% of models compared

HLE

Humanity's Last Exam

12.1%

Better than 64% of models compared

Coding

SciCode

Python programming for scientific computing

35.9%

Better than 55% of models compared

LiveCodeBench

Contamination-free coding benchmark

50.5%

Better than 56% of models compared

Math

AIME

American Invitational Mathematics Examination

84.3%

Better than 91% of models compared

Math-500

Diverse mathematical problem solving benchmark

98.1%

Better than 92% of models compared

Knowledge

MMLU-Pro

Professional and academic subject knowledge

80.0%

Better than 67% of models compared

Last updated Aug 16, 2026

Artificial Analysis

Providers

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