gemini-3.1-flash-lite API Pricing
gemini-3.1-flash-lite on Google Gemini API costs $0.25 per 1M input tokens and $1.50 per 1M output tokens (as of ).
| Input | $0.25 / 1M tokens |
|---|---|
| Output | $1.50 / 1M tokens |
| Cached input (read) | $0.03 |
| Cache write | — |
| Batch input / output | $0.12 / $0.75 |
| Above 200K tokens (input / output) | — |
| Context window | 1.04858M tokens |
| Max output | 66K tokens |
| Supports | vision, tool calling, reasoning, prompt caching |
| Deprecation date | |
| API model id | gemini-3.1-flash-lite |
| In our records since |
What it costs for common jobs
Estimated from the list price above (no caching or batch discount).
| Job | Estimated cost |
|---|---|
| 1,000 chat replies (2,000 tokens in, 500 out each) | $1.25 |
| Summarising 100 long documents (50,000 in, 1,000 out each) | $1.40 |
| 1 million classification calls (300 in, 5 out each) | $82.50 |
Try your own numbers in the LLM API cost calculator.
Price history
No price change recorded since .
Similarly priced models
| Model | Provider | Input / 1M | Output / 1M | Cached input / 1M | Context |
|---|---|---|---|---|---|
| gemini-3.1-flash-lite-preview | Google Gemini API | $0.25 | $1.50 | $0.03 | 1.04858M |
| gemini-gemma-2-27b-it | Google Gemini API | $0.35 | $1.05 | — | 8K |
| gemini-gemma-2-9b-it | Google Gemini API | $0.35 | $1.05 | — | 8K |
| gemini-2.5-flash | Google Gemini API | $0.30 | $2.50 | $0.03 | 1.04858M |
| gemini-3.5-flash-lite | Google Gemini API | $0.30 | $2.50 | $0.03 | 1.04858M |
| gemini-exp-1206 | Google Gemini API | $0.30 | $2.50 | $0.03 | 1.04858M |
| gemini-flash-lite-latest | Google Gemini API | $0.30 | $2.50 | $0.03 | 1.04858M |
| gemini-2.5-flash-lite | Google Gemini API | $0.10 | $0.40 | $0.01 | 1.04858M |