Google: Gemini 2.5 Flash Lite

Google: Gemini 2.5 Flash Lite

google · Released Jul 22, 2025
52
Our Score

Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency. It offers improved throughput, faster token generation, and better performance across common benchmarks compared to earlier Flash models. By default, "thinking" (i.e. multi-pass reasoning) is disabled to prioritize speed, but developers can enable it via the Reasoning API parameter to selectively trade off cost for intelligence.

$0.10 / 1M Input Price
$0.40 / 1M Output Price
1M tokens Context Window
65,535 tokens Max Output

Capabilities

Tool Use Function Calling Vision

Architecture

ModalityText + Image + File + Audio + Video → Text
TokenizerGemini

Performance Indices

Source: Artificial Analysis

17.6 Intelligence Index
9.5 Coding Index
11.5 Agentic Index
53.3 Math Index

Benchmark Scores

Evaluations

GPQA Diamond 62.5%
Graduate-level scientific reasoning
HLE 6.4%
Humanity's Last Exam
MMLU Pro 75.9%
Multi-task language understanding
LiveCodeBench 59.3%
Live coding evaluation
SciCode 19.3%
Scientific computing
MATH 500 96.9%
Mathematical problem-solving
AIME 70.3%
Competition mathematics
AIME 2025 53.3%
Competition mathematics (2025)
IFBench 49.9%
Instruction following
LCR 51.3%
Long-context reasoning
TerminalBench Hard 4.5%
Agentic terminal tasks
τ²-Bench 18.4%
Conversational agent benchmark

Benchmark data from Artificial Analysis and Hugging Face

Model Information

OpenRouter ID google/gemini-2.5-flash-lite
Providergoogle
Model FamilyGemini 2
Release Date July 22, 2025
Context Length1,048,576 tokens
Max Completion65,535 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $0.10 $0.000100
Output $0.40 $0.000400

Live Performance

Live endpoint metrics — refreshed every 30 minutes.

99.2%
Avg Uptime
535ms
Best Latency (TTFT)
93 tok/s
Best Throughput
2/2
Active Endpoints
Available via: Google, Google AI Studio

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