Gemini 3.1 Flash Lite vs Gemini 3.5 Flash Lite
Price and specs side by side · USD per 1M tokens · verified 2026-10-11
// side by side
| metric | Gemini 3.1 Flash Lite | Gemini 3.5 Flash Lite |
|---|---|---|
| input / 1M | $0.25 | $0.30 |
| output / 1M | $1.50 | $2.50 |
| blended (3:1) | $0.5625 | $0.85 |
| cache read / 1M | $0.025 | $0.03 |
| context | 1.05M | 1.05M |
| max output | 65.5K | 65.5K |
| input types | text · image · video · audio · pdf | text · image · video · audio · pdf |
| reasoning | yes | yes |
| tool calling | yes | yes |
| structured output | yes | yes |
| open weights | no | no |
| released | 2026-05-07 | 2026-07-21 |
| knowledge cutoff | 2025-01 | 2026-03 |
| lab |
// monthly cost scenarios
| workload | tokens in / out | Gemini 3.1 Flash Lite | Gemini 3.5 Flash Lite |
|---|---|---|---|
| Chatbot | 10M / 2M | $5.50 | $8.00 |
| RAG app | 50M / 5M | $20.00 | $27.50 |
| Coding agent | 20M / 10M | $20.00 | $31.00 |
// verdict
- Gemini 3.1 Flash Lite is 33.8% cheaper than Gemini 3.5 Flash Lite on a blended 3:1 input/output basis.