Google

Gemini 3.1 Flash-Lite

The most cost-efficient Gemini 3 tier, built for classification, extraction, and high-throughput tasks on a 1M-token context window.

ActiveReleased May 7, 2026Knowledge cutoff January 1, 2025
Tool callingCan invoke external tools and APIs (function calling) mid-response.Structured outputCan return JSON or schema-constrained responses instead of free text.ReasoningUses extended thinking / chain-of-thought for harder multi-step problems.Effort controlLets you dial thinking depth (low / medium / high) to trade cost for quality.Fine-tuningSupports training a custom variant on your own data (vendor fine-tune API or self-hosted open weights).

Source: Gemini API models, Gemini API pricing, Gemini deprecations (shutdown dates), Context caching (minimums, implicit vs explicit), Metadata verification, Metadata verification, Metadata verification

Price per 1M tokens
$0.25 in / $1.5 out
Context window1,048,576
Max output65,536
Cache read$0.025 / M
Min cache prefix4,096 tokens
Cache lifetime1 hr
Batch discount-50%
ModalitiesText, Image → Text

Pricing

Every billing leg from the live catalog, in USD per 1M tokens.

Billing legRateBatch
Input$0.25 / M$0.125 / M
Output$1.5 / M$0.75 / M
Cache read$0.025 / M$0.0125 / M

Cost calculator

Billing-grade math over the rate card above, including the thinking tokens most estimates miss.

Hidden reasoning tokens bill as output. 1.0x = thinking off. Medium-effort reasoning typically lands near 3x; heavy reasoning runs 6x to 8x. Set it to match your workload.

Estimated monthly cost
$140
at current list prices
Fresh input$50.00
Cached input$0.00
Output incl. thinking$90.00
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Provider

Where this model runs, and what it charges.

PlatformInput / MOutput / MCache read / MBatchAccess
Google
$0.25$1.5$0.025First-party API

Price history

Has this model gotten cheaper or more expensive?

No changePriced at $0.25 / $1.5 per 1M since July 8, 2026.

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Other models from the same provider.

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Rates are generated from SuperPenguin's live pricing catalog.