Gemini 3.1 Flash Lite

May 2026
Retires May 7, 2027Move toGemini 3.5 Flash LiteNewer version
Gemini 3.1 Flash Lite
Compare in
on
$0.06per task?
$0.25 / $1.50per 1M in / outcache $0.025
366 tok/sfirst token in 4.7 s?
1Mcontext

Rankingat high effort?

Strong at

S
Instructions#11 of 245
B
Coding#63 of 132Reasoning#134 of 334Science#103 of 312Long context#93 of 273Knowledge#111 of 318Vision#42 of 124
C
Agents & work tasks#122 of 175Tool calling#147 of 242

Alternatives?

ModelScoreCostPer taskWhat changes
CheaperMiMo v2.5 ProthinkingOpen+3%-10%$0.054No image input+1OpenMiniMax M3thinking+7%+743%$0.51Context: 1M → 524K+2CheaperMiniMax M2.7thinkingOpen-2%-7%$0.30 / $1.20Context: 1M → 205K+2CheaperGemma 4 31BthinkingOpen-2%-72%$0.10 / $0.34Context: 1M → 256KCheaperGPT-5 Minihigh-2%-11%$0.053Context: 1M → 400K

History

4 versions
50607080Oct 25Jan 26Apr 26Release dateIFBench2.53.1
50607080Oct 25Jan 26Apr 26Release dateIFBench2.53.1

Benchmarks

all categories
Chat & Knowledge
Humanity's Last Exam17.2#134
AA Omniscience Index-16.4#112
CritPt (physics)1.1#120
AA Intelligence Index 4.3.215.6#142
AA Omniscience · Accuracy36.3#57
AA Omniscience · Hallucination Rate82.7#186
AA-LCR (long context) 1.174.3#93
GDP.pdf · AA all-pass7.8#70
MLCR-AA6.1#48
FrontierMath Tiers 1–3 (v2)27.7#58
GPQA Diamond82.2#104
GPQA Diamond · Epoch81.8#66
OTIS Mock AIME 2024 202580#71
Coding
Terminal-Bench 4.00.5#63
SciCode43.4#80
Terminal-Bench Hard (version unstated)24.2#77
Terminal-Bench 2.131.1#95
Agents & Tool Use
AutomationBench-AA6.8#78
GDPval-AA (work tasks) 2.10#122
MCP-Atlas · full 100057.1#12
MCP-Atlas Public60.4#13
τ³-Banking · AA9.7#92
AA Analyst Agent8.8#40
APEX-Agents12.2#23
EnterpriseOps-Gym-AA28#39
AA-Briefcase 1.1 · Elo207.3#117
τ²-bench · AA31.3#149
Writing & Language
IFBench (instructions)77.2#11
Vision & Documents
MMMU-Pro (vision)75.5#42

FAQ

How much does Gemini 3.1 Flash Lite cost?›

$0.25 per 1M input tokens and $1.50 per 1M output tokens; cached input $0.025 per 1M. A typical benchmark task costs about $0.06 at high effort.

Is Gemini 3.1 Flash Lite free to use?›

There is no free API; the cheapest paid price is $0.25 per 1M input tokens.

How good is Gemini 3.1 Flash Lite, and what is it best at?›

#134 of 334 in Chat & Knowledge, #63 of 132 in Coding, #78 of 133 in Agents & Tool Use, #11 of 245 in Writing & Language, #42 of 124 in Vision & Documents. Strongest at: Instructions.

Is Gemini 3.1 Flash Lite better than Qwen3.7 Plus?›

On IFBench (instructions), Gemini 3.1 Flash Lite scores 77.2 vs 78 — about the same. It is 72% cheaper per task.

How can I use Gemini 3.1 Flash Lite?›

Through the API of DeepInfra, Google, Google AI Studio.

What is the context window of Gemini 3.1 Flash Lite?›

1M tokens, with up to 66K output tokens.

When was Gemini 3.1 Flash Lite released? Is there a newer version?›

Released 2026-05-07. It has been superseded by Gemini 3.5 Flash Lite.

Is Gemini 3.1 Flash Lite open source?›

No, Gemini 3.1 Flash Lite is a closed model available through an API. The closest open-weights option here is MiniMax M3.

Can Gemini 3.1 Flash Lite read images?›

It accepts text and images, video as input.

What is Gemini 3.1 Flash Lite?›

Gemini 3.1 Flash Lite is a closed language model from Google, released May 2026, the successor to Gemini 3.1 Flash Lite Preview.

What are the best alternatives to Gemini 3.1 Flash Lite?›

MiMo v2.5 Pro (cheaper), MiniMax M3 (open weights).