GoogleFastReleased 7 May 2026

Gemini 3.1 Flash Lite pricing, context and benchmark

Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads.

1.05M
Input context
66K
Output context
$0.25
Official input
$1.5
Official output
n/a
AA index

Everything that matters, in one table

Context, pricing, cache, modalities and tooling, from the model registry and Artificial Analysis.

ModelGemini 3.1 Flash Lite
Model IDgoogle/gemini-3.1-flash-lite
ProviderGoogle
Release date7 May 2026
StatusGenerally available
Input context1,048,576 tokens
Output context65,536 tokens
Official input pricing$0.25 per 1M tokens
Official output pricing$1.5 per 1M tokens
Cache read pricingNot published
Market input pricing$0.125 per 1M (cheapest route)
Market output pricing$0.75 per 1M (cheapest route)
Highest route pricing$0.45 in, $2.7 out per 1M
Input modalitiestext · image · video · file · audio
Output modalitiestext
Reasoning controlNot exposed
Tool supportText generation only
TokenizerGemini
Provider routes8 endpoints
Artificial Analysis indexNot published
SpeedNot published
Knowledge cutoffNot publicly stated

Input and output support

ModalityInputOutputBilled at
Text✓ yes✓ yes$0.25 in
Image✓ yesno$0.25 in
Audio✓ yesno$0.25 in
Video✓ yesno$0.25 in
File (PDF)✓ yesno$0.25 in

What is Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads.

It supports text, image, video, audio, and PDF inputs, and is designed for lightweight agentic...

Gemini 3.1 Flash Lite carries a 1.05M token window, uses the Gemini tokenizer and is served by Google. On Hoodgen it sits in the Fast tier of the model menu next to its siblings, so you can switch mid conversation without losing the thread.

Release and what changed from the previous version

Released7 May 2026
PropertyGemma 4 26B A4BGemini 3.1 Flash LiteChange
Released20262026Same release window
Context262K1.05MChanged
Max output236K66KChanged
Input price$0.034$0.25Higher
Output price$0.102$1.5Higher
Input modalitiesimage, text, videotext, image, video, file, audioUnchanged
AA indexn/an/aNewer benchmark run

Features and capabilities

◉
Vision
Screenshots, charts and photographed documents are read at the text token rate.
▤
Files and PDFs
Documents go in as files rather than pasted text, keeping layout and tables intact.
♪
Audio and video
Calls, meetings and screen recordings can be summarised in one pass.

What can you do with Gemini 3.1 Flash Lite?

High volume drafts
Captions, titles, product blurbs and rewrite passes where cost per call dominates.
Inline assistants
Autocomplete, quick replies and menu helpers that must answer inside a second.
Batch classification
Tagging, routing and extraction across thousands of short inputs.
Cheap agent loops
Tool calling loops that do not need frontier grade reasoning.

Gemini 3.1 Flash Lite pricing

Official pricing

List price
$0.25 / 1M in
$1.5 / 1M out
  • 1.05M context
  • text, image, video, file, audio input
Cheapest route
$0.125 / 1M in
$0.75 / 1M out
  • 8 routes on OpenRouter
  • What Hoodgen routes to first
  • Same model, lower bill
Highest route
$0.45 / 1M in
$2.7 / 1M out
  • Priority or premium tier
  • Best under load
  • Use for latency critical calls

Market pricing, every route

ProviderTierInputOutputCache readUptime 24h
Googleflex$0.125$0.75$0.01290.8%
Google AI Studioflex$0.125$0.75$0.012100.0%
Google AI Studiostandard$0.25$1.5$0.025100.0%
Googlestandard$0.25$1.5$0.025100.0%
Googlestandard$0.275$1.65$0.028100.0%
Googlestandard$0.275$1.65$0.028100.0%
Googlepriority$0.45$2.7$0.045100.0%
Google AI Studiopriority$0.45$2.7$0.045100.0%

API pricing and cost calculator

RatePer callTotalCredits
Cheapest route$0.0023$1.141081
List price$0.0073$3.633444
Highest route$0.0130$6.526199

API and developer information

Model IDgoogle/gemini-3.1-flash-lite
Endpointhttps://openrouter.ai/api/v1/chat/completions
Parametersprompt and max_tokens
StreamingYes, server sent events
Modality stringtext+image+file+audio+video->text
Max prompt tokens1,048,576
Max completion tokens65,536
curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3.1-flash-lite",
    "messages": [{ "role": "user", "content": "Summarise this document." }],
    "max_tokens": 1024
  }'

Model limitations

Text only outputIt cannot generate images, audio or video. Pair it with an image model on Hoodgen when you need visuals.
Output cap65,536 tokens per request. Long deliverables have to be chunked.
Benchmarks not publishedArtificial Analysis does not publish an Intelligence Index for this release, so no benchmark score is claimed here.
Knowledge cutoffThe provider does not state a fixed cutoff for every release. Verify very recent events against search.
Depth ceilingFast tier: strong on throughput, weaker than flagship tiers on long multi step reasoning.

Gemini 3.1 Flash Lite vs other Google models

ModelContextInput /1MOutput /1MAA indexReleased
Gemini 3.1 Flash Lite1.05M$0.25$1.5n/a2026
Gemini 3.1 Pro Preview1.05M$2$12n/a2026
Gemini 4 Argon1.05M$2$1050Oct 2026
Gemini 4 Carbon1.05M$2$10n/a2026
Gemini 3.1 Pro Preview Custom Tools1.05M$2$12n/a2026
Nano Banana Pro (Gemini 3 Pro Image)131K$2$12n/a2026

Privacy and data policy

  • On Hoodgen, prompts and attachments answer that request and stay in your conversation history so you can reopen it. They are not used to train models.
  • Requests route through OpenRouter to Google and are covered by that provider's API terms.
  • Do not paste secrets or personal data you would not send to any hosted model.

Gemini 3.1 Flash Lite questions, answered

Gemini 3.1 Flash Lite is a fast model from Google, released 7 May 2026. Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads.
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Start chatting with Gemini 3.1 Flash Lite

Free to try on Hoodgen AI, with a live credit estimate before every send. No API key, no setup.