Google logo

Gemini 3.1 Flash Lite Preview


Gemini 3.1 Flash Lite Preview is Google logoGoogle's language model with a 1.0M context window and up to 66K output tokens, available from 4 providers, starting at $0.250 / 1M input and $1.50 / 1M output. A preview release of Gemini 3.1 Flash Lite offering early evaluation of its lightweight reasoning, vision, and tool-use capabilities.
Spec
Canonical IDgoogle-gemini-3-1-flash-lite-preview
TypeLanguage
StatusActive
CreatorGoogleGoogle
Providers
Context Window1.0M tokens
Max Output66K tokens
Input ModalitiesAudioImagePdfTextVideo
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 2 months ago
Knowledge Cutoff
Intelligence Index
33.5
#103
Coding Index
30.1
#104
GPQA
0.8
#73
HLE
0.2
#76
IFBench
0.8
#11
Time to First Token
4.97s
#421
SciCode
0.4
#59
LCR
0.7
#50
TerminalBench Hard
0.2
#112
TAU2
0.3
#211
Output TPS

Capabilities

Input5/5
Textโœ“
Imageโœ“
Audioโœ“
Videoโœ“
PDFโœ“
Output1/5
Textโœ“
Imageยท
Audioยท
Videoยท
Embeddingยท
Capabilities10/13
Reasoningโœ“
Adaptive Reasoningยท
Function Callingโœ“
Parallel Function Callingโœ“
Structured Outputsโœ“
Native JSON Schemaโœ“
Web Searchโœ“
URL Contextโœ“
Computer Useยท
Code Executionโœ“
File Searchโœ“
Prompt Cachingโœ“
Assistant Prefillยท

Pricing by Provider

ProviderStandardBatchFlexPriority
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write
$ / 1M
Reasoning
$ / 1M
Audio In
$ / 1M
Web Search
$ / query
Input
$ / 1M
Output
$ / 1M
Audio In
$ / 1M
Input
$ / 1M
Output
$ / 1M
Audio In
$ / 1M
Input
$ / 1M
Output
$ / 1M
Audio In
$ / 1M
Google Gemini logo
Google Gemini
gemini-3.1-flash-lite-preview
$0.250$1.50$0.025$0.025$1.50$0.500N/A$0.125$0.750$0.250$0.125$0.750$0.250$0.450$2.70$0.900
Google Vertex AI logo
Google Vertex AI
gemini-3.1-flash-lite-preview
$0.250$1.50$0.025$0.025$1.50$0.500N/A$0.125$0.750$0.250$0.125$0.750$0.250$0.450$2.70$0.900
OpenRouter logo
OpenRouter
google/gemini-3.1-flash-lite-preview
$0.250$1.50$0.025N/A$1.50$0.500$0.014โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”
Vercel AI Gateway logo
Vercel AI Gateway
google/gemini-3.1-flash-lite-preview
$0.250$1.50$0.030N/AN/AN/AN/Aโ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Gemini 3.1 Flash Lite1.0M$0.250$1.50Available
Gemini 3.1 Flash Lite Preview1.0M$0.250$1.50Current
Gemini 3.1 Flash Lite Liveโ€”โ€”$0.275$1.65Available
Gemini 3.1 Flash Lite Live Previewโ€”โ€”$0.250$1.50Available
Gemini 2.5 Flash Lite Preview1.0M$0.100$0.400Deprecated
Gemini 2.5 Flash Lite1.0M$0.075$0.300Available
Gemini 2.0 Flash Lite1.0M$0.075$0.300Deprecating
Gemini 2.0 Flash Lite Liveโ€”โ€”$0.075$0.300Available
Gemini 2.0 Flash Lite Previewโ€”โ€”โ€”โ€”Available
Gemini 2.5 Flash Lite Liveโ€”โ€”$0.100$0.400Available
Gemini 2.5 Flash Lite Live Thinkingโ€”โ€”$0.000$0.400Available

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Gemini 3.1 Pro Preview Custom ToolsPro1.0M$2.00$12.00
Gemini 3.1 Pro PreviewPro1.0M$2.00$12.00
Gemini 3 FlashFlash1.0M$0.500$3.00
Gemini 3 Flash PreviewFlash1.0M$0.500$3.00
Gemini 3 Pro PreviewPro1.0M$2.00$12.00
Gemini 3 Pro ImagePro66K$2.00$12.00
Gemini 3 Deep Thinkโ€”โ€”โ€”โ€”โ€”
Gemini 3 Flash LiveFlashโ€”โ€”$0.500$3.00
Gemini 3 Flash Live LiveFlashโ€”โ€”$0.750$4.50
Gemini 3 Flash ReasoningFlashโ€”โ€”โ€”โ€”

Model IDs