AI Model Watch
Deprecations / Migrate

Migrate off Gemini 3.1 Flash-Lite Preview

Retired

Gemini 3.1 Flash-Lite Preview has been retired and shut down on 25 May 2026. Google's official replacement is Gemini 3.1 Flash-Lite. The cheapest comparable model we track is Ministral 3 3B (Mistral) at $0.1 per 1M tokens blended.

Last verified: 19 Aug 2026 · sourced from official provider documentation

StatusRetiredGoogle
Shut down25 May 2026plan ahead
Official replacementGemini 3.1 Flash-Lite$0.563 /M blendedCheapest alternativeMinistral 3 3B$0.1 /M blended
What changes

Gemini 3.1 Flash-Lite Preview → Gemini 3.1 Flash-Lite

SpecGemini 3.1 Flash-Lite PreviewGemini 3.1 Flash-Lite
StatusRetiredGA
Blended price /1M—$0.563
Input / output /1M—$0.25 / $1.50
Context window—1.0M
Max output—65.536
Modalitytext, image, video, audiotext, image, video, audio, pdf
Knowledge cutoff—Jan 2025

API string was gemini-3.1-flash-lite-preview → switch to gemini-3.1-flash-lite. See Gemini 3.1 Flash-Lite's full spec sheet →

Cheapest alternatives

Budget-friendly replacements for Gemini 3.1 Flash-Lite Preview

Generally-available models that match Gemini 3.1 Flash-Lite Preview's capabilities, ranked by blended price. Every number is computed from official catalog prices.

ModelBlended /1MInput / outputContext
Ministral 3 3B
Mistral
$0.1$0.1 / $0.1—
Amazon Nova Lite
Amazon
$0.105$0.06 / $0.24300K
Llama 4 Scout (17B-16E Instruct)
Meta
$0.15$0.1 / $0.310M
FAQ

Migrating off Gemini 3.1 Flash-Lite Preview

What replaces Gemini 3.1 Flash-Lite Preview?

Google's recommended migration for Gemini 3.1 Flash-Lite Preview is Gemini 3.1 Flash-Lite. The cheapest comparable model in our catalog is Ministral 3 3B (Mistral) at $0.1/1M blended.

Is Gemini 3.1 Flash-Lite Preview still available?

No — Gemini 3.1 Flash-Lite Preview has been retired (shut down 25 May 2026) and is no longer available via Google's API.

What is the cheapest alternative to Gemini 3.1 Flash-Lite Preview?

Ministral 3 3B (Mistral) is the cheapest generally-available alternative we track that matches Gemini 3.1 Flash-Lite Preview's capabilities, at $0.1 per 1M input and $0.1 per 1M output tokens ($0.1/1M blended).

Browse the full deprecation watch → or see Gemini 3.1 Flash-Lite Preview's full spec sheet →