Google: Gemini 3.1 Flash Lite Preview

GoogleID: google/gemini-3.1-flash-lite-preview

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 key capabilities. Improvements span audio input/ASR, RAG snippet ranking, translation, data extraction, and code completion. Supports full thinking levels (minimal, low, medium, high) for fine-grained cost/performance trade-offs. Priced at half the cost of Gemini 3 Flash.

Pricing per 1M Tokens

Input (Prompt)$0.25
Output (Completion)$1.50
Cache Read$0.02
Cache Write$0.08
Image$0.25

Specifications

Context Length1.0M
Max Output Tokens66K
Input ModalitiesText + Image + Video + File + Audio
Output ModalitiesText
TokenizerGemini
Instruct TypeN/A
Top Provider Context1.0M
Top Provider Max Output66K
ModeratedNo

Compare this model

See how Google: Gemini 3.1 Flash Lite Preview stacks up against other models.

vs Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)vs Google: Gemini 3.1 Pro Preview Custom Toolsvs Google: Gemini 3.1 Pro Previewvs Google: Gemini 3 Flash Previewvs Google: Nano Banana Pro (Gemini 3 Pro Image Preview)

More from Google

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Input$0.50
Context66K
Google: Gemini 3.1 Pro Preview Custom Tools
Input$2.00
Context1.0M
Google: Gemini 3.1 Pro Preview
Input$2.00
Context1.0M
Google: Gemini 3 Flash Preview
Input$0.50
Context1.0M
Google: Nano Banana Pro (Gemini 3 Pro Image Preview)
Input$2.00
Context66K

Last updated: March 23, 2026

First tracked: March 23, 2026