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Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)

GoogleGemini

Description

A thinking model designed for a balance between price and performance. It builds upon Gemini 2.0 Flash with upgraded reasoning, hybrid thinking control, multimodal capabilities (text, image, video, audio input), and a 1M token input context window.

Release Date
2025-09-08
Parameters
Context Length
1.0M
Modalities
audio, image, pdf, text, video

Capability Radar

34
general
60
coding
69
reasoning
43
scienceest.
66
agents
80
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Code Ranking139
58.0
AA
General Ranking235
45.0
AA
Math Reasoning122
69.0
AA
Science260
43.0
AA

Benchmark Scores (LLM Stats)

Biology

GPQA82.8%SR

Code

Aider-Polyglot61.9%SR
SWE-Bench Verified60.4%SR
Aider-Polyglot Edit56.7%SR

Factuality

FACTS Grounding85.3%SR
SimpleQA26.9%SR

General

Global-MMLU-Lite88.4%SR
MMMU79.7%SR
Vibe-Eval65.4%SR
LiveCodeBench v563.9%SR
MRCR32.0%SR

Math

AIME 202488.0%SR
AIME 202572.0%SR
Humanity's Last Exam11.0%SR

AA Evaluation Indices

Math Index
68.7
Intelligence Index
15.1
Mmlu Pro
0.8
Gpqa
0.7
Livecodebench
0.7
Aime 25
0.7
Lcr
0.6
Ifbench
0.5
Tau2
0.3
Scicode
0.3
Terminalbench Hard
0.1
Hle
0.1

LLM Stats Category Scores

Language
90
Grounding
90
Physics
80
Healthcare
80
Biology
80
Chemistry
80
Multimodal
70
Math
60
Reasoning
60
Factuality
60
Frontend Development
60
General
60
Code
60
Vision
50
Long Context
20

Pricing

Input Price$0.1 / 1M tokens
Output Price$0.4 / 1M tokens
Blended Price (3:1)$0.175 / 1M tokens
Cache Read Price$0.03 / 1M tokens

Speed

Tokens/sec0.0
Time to First Token0.00s
Time to Answer0.00s

Provider Price Ranking

Provider Price Ranking

1 providers

ProviderInputOutput
1GooglePRIMARY
$0.1
$0.4

Compare pricing across different API providers for this model.

External Sources