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Google: Gemini 3.1 Flash Lite Preview API Pricing
Google: Gemini 3.1 Flash Lite Preview costs $0.250 per 1M input tokens and $1.50 per 1M output tokens (cache reads: $0.025). Context window: 1.0M. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$0.250
Output / 1M tokens
$1.50
Context window
1.0M
Max output
66K
What would Google: Gemini 3.1 Flash Lite Preview cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $8.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $25.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $52.50 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $13.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About 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...
Compare Google: Gemini 3.1 Flash Lite Preview with
Official resources
- Google: Gemini 3.1 Flash Lite Preview on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including Preview. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.