Google

Gemini 2.5 Flash Lite

google/gemini-2.5-flash-lite
Released Jul 22, 2025Commercial
ThinkingToolsVisionAudiocommercial cloud

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...

Cost / 1M tokens

Very low usage

$0.10

input

$0.01

cached input

$0.40

output

Context Window

1M

Up to 66K max output

Modalities

text, image, file, audio, video → text

Gemini tokenizer

Quickstart & API

google/gemini-2.5-flash-lite
Open the model picker in ChatOSS Desktop (Code, Kanban, or Chat) and select or paste this model ID.

Best for & Strengths

Key Strengths

Extended reasoningTool & agent callingMultimodal vision1M+ token context

Recommended Workloads in ChatOSS

  • Coding agents
  • Complex reasoning & debugging
  • Screenshot-to-code workflows
Available in ChatOSS Code, Kanban Orchestrate, and Chat modes via Plus, Max, or BYOK.

Verified Evaluations

Benchmarks & Frontier Comparison

How Gemini 2.5 Flash Lite compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.

View full Top 40 Leaderboard →
Benchmark (Metric)Gemini 2.5 Flash LiteDeepSeek V4.1 FlashGLM 5.3Kimi K3.1 ProClaude Opus 5.5
Agentic & Software Engineering
ChatOSS Agentic Coding Index (%)—63.2%58.3%65%74.1%
SWE-Bench Verified (%)—91.5%95.4%94.8%97%
DeepSWE v1.1 (Pass@1 %)—77%69%73.5%74.2%
Vibe Code Bench v1.1 (%)—87.7%78.1%88.4%90.3%
Terminal-Bench 4.0 (%)—42.3%42%46.2%65.2%
Code Migration (%)—45.6%44.2%52%66.7%
Intelligence & Token Economics
Artificial Analysis Intelligence Index (0–100)10.439.544.855.157.6
Input Price (/ 1M tokens)$0.10$0.15$1.40$2.00$4.00
Output Price (/ 1M tokens)$0.40$0.60$4.40$10.00$20.00

Artificial Analysis Intelligence Index

Artificial Analysis

10.4

Active Provider Endpoints (3)

Upstream inference providers serving Gemini 2.5 Flash Lite, with per-provider pricing, context limits, quantization, and 24-hour uptime.

ProviderInput / 1MOutput / 1MCache Read / 1MContextMax OutputQuantizationUptime (24h)
Google AI Studio
google-ai-studio/flex
$0.05$0.20$0.0051M66K—100.0%
Google AI Studio
google-ai-studio
$0.10$0.40$0.011M66K—100.0%
Google AI Studio
google-ai-studio/priority
$0.18$0.72$0.0181M66K—99.2%

Supported API Parameters

Parameters accepted by this model when called through ChatOSS or OpenRouter.

include_reasoningmax_tokensreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p

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