Google: Gemini 2.5 Flash Lite Preview 09-2025

Google: Gemini 2.5 Flash Lite Preview 09-2025

google · Released Sep 25, 2025 Specialist
Intelligence #82 / 599
65.6 Our Score
Speed #7 / 281
348.1 tokens / sec
Input #197 / 599
$0.100 per 1M tokens
Output #231 / 599
$0.400 per 1M tokens
Context #17 / 599
1M tokens

Analysis Summary

Gemini 2.5 Flash Lite Preview (09-2025) is Google's lightweight multimodal model supporting text, image, file, audio, and video inputs across a 1 million token context window. Its intelligence index of 23.8 and agentic index of 31.1 are modest, but GPQA at 0.793 and MMLU Pro at 0.842 indicate strong general knowledge. LiveCodeBench at 0.713 is respectable for a flash-tier model.

For businesses, the combination of broad modality support, 1M context, tool use, and very low pricing ($0.10 input / $0.40 output) makes this model highly attractive for high-volume content processing, document analysis, and multimodal pipelines. It is not suited to frontier reasoning tasks, but for structured content, summarisation, and instruction-following at scale, the value proposition is strong.

This is a preview release, so production stability should be validated before full deployment. Teams running cost-sensitive, high-throughput workflows with diverse input types will find it one of the most efficient options available at this price point.

Assessed June 30, 2026

Editorial notes

Gemini 2.5 Flash Lite Preview from Google delivers strong multimodal coverage including audio and video, a 1M token context, and very competitive pricing at $0.10 input.

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence4.2Technical4.4Value8.3Content7
Intelligence 4.2/10
Technical 4.4/10
Content 7/10
Value 8.3/10

How Google: Gemini 2.5 Flash Lite Preview 09-2025 compares

Google: Gemini 2.5 Flash Lite Preview 09-2025 ranks #118 of 387 AI models we track for overall intelligence, #145 of 294 for agentic tasks. Its 1M-token context window is larger than 97% of the models we list. At $0.10 per million input tokens it is cheaper than 67% of comparable models.

About Google: Gemini 2.5 Flash Lite Preview 09-2025

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..

Capabilities

Tool Use Function Calling Vision

Performance Indices

Source: Artificial Analysis

23.8 Intelligence Index
31.1 Agentic Index
78.3 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 79.3% Graduate-level scientific reasoning
HLE 12.7% Humanity's Last Exam
MMLU Pro 84.2% Multi-task language understanding
AIME 2025 78.3% Competition mathematics (2025)
SciCode 40.5% Scientific computing

Technical

LiveCodeBench 71.3% Live coding evaluation
TerminalBench Hard 16.7% Agentic terminal tasks
τ²-Bench 45.6% Conversational agent benchmark

Content

IFBench 52.3% Instruction following
LCR 64.3% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does Google: Gemini 2.5 Flash Lite Preview 09-2025 stack up?

Compare side-by-side with other specialist models.

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Model Information

OpenRouter ID google/gemini-2.5-flash-lite-preview-09-2025
Providergoogle
Model FamilyGemini 2
Release Date September 25, 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

Leaderboard Categories

Frequently asked questions about Google: Gemini 2.5 Flash Lite Preview 09-2025

How much does Google: Gemini 2.5 Flash Lite Preview 09-2025 cost?

Google: Gemini 2.5 Flash Lite Preview 09-2025 costs $0.10 per million input tokens and $0.40 per million output tokens.

What is the context window of Google: Gemini 2.5 Flash Lite Preview 09-2025?

Google: Gemini 2.5 Flash Lite Preview 09-2025 has a context window of 1,048,576 tokens (1M).

What can Google: Gemini 2.5 Flash Lite Preview 09-2025 do?

Google: Gemini 2.5 Flash Lite Preview 09-2025 supports image/vision input, tool use, and function calling.

Who created Google: Gemini 2.5 Flash Lite Preview 09-2025?

Google: Gemini 2.5 Flash Lite Preview 09-2025 is developed by Google and was released on September 25, 2025.