Gemini 2.5 Flash (No Thinking)

Fast, cost efficient performance on complex tasks. The workhorse of the Gemini series. Stable release with thinking mode disabled. Audio input costs $1.00 per million audio tokens.

Vision
Audio Input
Video Input
Native PDF input

Added Jun 5, 2025

Pricing

Auto routing · per 1M tokens

Input: $0.30
Output: $2.50
Cache read: $0.030

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Specifications

Context window: 1M
Max output: 65.5K
Avg output (7d): 32 tokens; Longer than 1% of models

Benchmarks

Artificial Analysis

LMArena

Vectara

Sourced from Artificial Analysis.

Intelligence Index

9.9

Better than 40% of models compared

Agentic work

T²-Bench Telecom (legacy)

Legacy fallback · Conversational AI agents in dual-control scenarios

14.9%

Better than 13% of models compared

Document reasoning

AA-LCR v1.1

Long context reasoning with updated grading

49.9%

Better than 44% of models compared

MLCR-AA

Medical long-context reasoning

8.3%

Better than 25% of models compared

Reasoning

HLE

Humanity's Last Exam

4.7%

Better than 24% of models compared

IFBench

Instruction-following benchmark

39.0%

Better than 36% of models compared

Coding

Terminal-Bench Hard (legacy)

Legacy fallback · Agentic coding and terminal use

12.1%

Better than 48% of models compared

LiveCodeBench

Contamination-free coding benchmark

49.5%

Better than 56% of models compared

Math

AIME 2025

American Invitational Mathematics Examination 2025

60.3%

Better than 57% of models compared

AIME

American Invitational Mathematics Examination

50.0%

Better than 70% of models compared

Math-500

Diverse mathematical problem solving benchmark

93.2%

Better than 72% of models compared

Knowledge

MMLU-Pro

Professional and academic subject knowledge

80.9%

Better than 72% of models compared

Legacy benchmarks

GPQA Diamond (legacy)

Graduate-level scientific reasoning

68.3%

Better than 45% of models compared

AA-LCR (unversioned / legacy)

Long context reasoning evaluation