Google

Gemini 3.1 Flash Lite Preview

google/gemini-3.1-flash-lite-preview
Released Mar 3, 2026Commercial
ThinkingToolsVisionAudiocommercial cloud

Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases. It outperforms Gemini 2.5 Flash Lite on overall quality and approaches Gemini 2.5 Flash performance across...

Cost / 1M tokens

Low usage

$0.25

input

$0.025

cached input

$1.50

output

Context Window

1M

Up to 66K max output

Modalities

text, image, video, file, audio → text

Gemini tokenizer

Quickstart & API

google/gemini-3.1-flash-lite-preview
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 3.1 Flash Lite Preview compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.

View full Top 40 Leaderboard →
Benchmark (Metric)Gemini 3.1 Flash Lite PreviewDeepSeek 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)15.639.544.855.157.6
Input Price (/ 1M tokens)$0.25$0.15$1.40$2.00$4.00
Output Price (/ 1M tokens)$1.50$0.60$4.40$10.00$20.00

Artificial Analysis Intelligence Index

Artificial Analysis

15.6

Design Arena: 3D

Design Arena · Rank #107 (38.8% win)

1045 Elo

Design Arena: ASCIIART

Design Arena · Rank #33 (50.8% win)

1164 Elo

Design Arena: Code Generation

Design Arena · Rank #112 (36.5% win)

1070 Elo

Design Arena: Data Visualization

Design Arena · Rank #111 (33.3% win)

1045 Elo

Active Provider Endpoints (3)

Upstream inference providers serving Gemini 3.1 Flash Lite Preview, 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
$0.125$0.75$0.0131M66K—100.0%
Google AI Studio
google-ai-studio
$0.25$1.50$0.0251M66K—100.0%
Google AI Studio
google-ai-studio/priority
$0.45$2.70$0.0451M66K—100.0%

Supported API Parameters

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

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_p

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