GoogleGemini 3.1 Flash-Lite Preview API pricing

Gemini 3.1 Flash-Lite Preview was retired on . Its last price was $0.25 per 1M input tokens and $1.50 per 1M output tokens.

Last price

Rates in effect since (launch price). Every price links to its source.

Input
$0.25
Output
$1.50
Blended 3:1
$0.5625
Gemini 3.1 Flash-Lite Preview last rates per 1M tokens
RatePer 1M tokens
Standard
Input$0.25
Cached input$0.025
Output$1.50
Batch
Input$0.125
Cached input$0.0125
Output$0.75

Launch price

Gemini 3.1 Flash-Lite Preview launched at this price on .

Input
$0.25
Output
$1.50
Blended 3:1
$0.5625

Every price event

1 verified event, newest first. No price moves. Documented since .

  1. Launch price ·

    Rates from March 3, 2026
    RatePer 1M tokens
    Standard
    Input$0.25
    Cached input$0.025
    Output$1.50
    Batch
    Input$0.125
    Cached input$0.0125
    Output$0.75

    Capture from the day after release. Output price includes thinking tokens.

    • Price: Archived page (ai.google.dev, captured March 4, 2026)
      quote
      Gemini 3.1 Flash-Lite Preview | gemini-3.1-flash-lite-preview | Input price: $0.25 (text / image / video) $0.50 (audio) | Output price (including thinking tokens): $1.50 | Context caching price: $0.025 (text / image / video) | Batch Input price: $0.125 (text / image / video) | Batch Output price: $0.75 | Batch Context caching price: $0.0125 (text / image / video)
    • Date: Changelog (ai.google.dev)
      quote
      March 3, 2026: Launched Gemini 3.1 Flash-Lite Preview, the first Flash-Lite model in the Gemini 3 series.

Gaps in this history

Audio-specific and storage prices not recorded (out of scope).

API ids

Checked .