Gemini 3.1 Flash-Lite API price, and what each result really costs
Google, listed 7 May 2026. Price checked 12 Nov 2026; unchanged since we started tracking it. Source: Google's pricing page. google/gemini-3.1-flash-lite
List price per million tokens
- Input
- $0.25
- Cached input
- $0.025
- Output
- $1.50
- Context window
- 1.05M tokens
Note: Audio input $0.50.
What it costs per task, and per task that works
Six common task shapes with typical token counts. The real cost counts the tries that get redone; the rates are examples, not measurements.
| Task | Per 1,000 tries | Per 1,000 that work, 8 in 10 | Per 1,000 that work, 6 in 10 | Per 1,000 that work, 4 in 10 |
|---|---|---|---|---|
| Support bot answer3,000 in / 300 out | $1.20 | $1.50 | $2.00 | $3.00 |
| Invoice field extraction2,500 in / 250 out | $1.00 | $1.25 | $1.67 | $2.50 |
| Lead scoring1,200 in / 100 out | $0.45 | $0.56 | $0.75 | $1.13 |
| Email reply draft1,500 in / 400 out | $0.97 | $1.22 | $1.63 | $2.44 |
| Translation900 in / 800 out | $1.43 | $1.78 | $2.38 | $3.56 |
| Search re-ranking4,000 in / 50 out | $1.08 | $1.34 | $1.79 | $2.69 |
Work out your own real cost per resultTest Gemini 3.1 Flash-Lite on your own prompt
Compare Gemini 3.1 Flash-Lite with
- Gemini 3.5 Flash-Lite$0.30 in / $2.50 outSwitch cost
- Gemini 2.5 Flash$0.30 in / $2.50 outSwitch cost
- Qwen3.7 Plus$0.32 in / $1.28 outSwitch cost
- DeepSeek V4.1 Flash$0.30 in / $1.20 outSwitch cost
- MiniMax M3$0.30 in / $1.20 outSwitch cost
Questions
How much does the Gemini 3.1 Flash-Lite API cost?
$0.25 per million input tokens and $1.50 per million output tokens, or $0.025 per million for cached input. Price checked 12 Nov 2026; unchanged since we started tracking it.
What does a result that works really cost with Gemini 3.1 Flash-Lite?
A support bot answer (about 3,000 tokens in, 300 out) costs $0.0012 per try. If 6 in 10 work first time, each answer that works really costs $0.002, because the redone ones were paid for too.