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GoogleGemini 3.1 Flash-Lite Preview API pricing

Preview March 3, 2026 source
Deprecated May 11, 2026 source
Retired May 25, 2026 source

Gemini 3.1 Flash-Lite Preview was retired on May 25, 2026. Its last price was $0.25 per 1M input tokens and $1.50 per 1M output tokens.

Last price

Rates in effect since March 3, 2026 (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
Rate	Per 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 March 3, 2026.

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

Every price event

1 verified event, newest first. No price moves. Documented since March 3, 2026.

Launch price · March 3, 2026

Rates from March 3, 2026
Rate Per 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

gemini-3.1-flash-lite-preview

Checked October 28, 2026.