Gemini 3.5 Flash vs Gemini 3.8 Flash
Lower and Larger mark one number at a time; they don’t rank the models. How well a model does depends on your task; see Benchmarks for measured results.
| Detail | Gemini 3.5 Flashgoogle/gemini-3.5-flash | Gemini 3.8 Flashgoogle/gemini-3.8-flash |
|---|---|---|
| Maker | ||
| Kind | Chat | Chat |
| Input per 1M tokens | $1.575 | $0.7875 Lower |
| Cached input per 1M tokens | $0.1575 | $0.07875 |
| Cache write per 1M tokens | Same as input | Same as input |
| Output per 1M tokens | $9.45 | $3.9375 Lower |
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Max output | 64,000 tokens | 65,535 tokens Larger |
| Capabilities | Reasoning, tool use, vision, file input, web search | Reasoning, tool use, vision, file input, web search |
| Takes | Text, image, pdf, video | Text, image, pdf, video |
| Returns | Text | Text |
| Zero data retention | Not on every provider | Not on every provider |
| No training on requests | Yes, on every provider | Yes, on every provider |
| Released | 2026-05-19 | 2026-09-02 |
Example costs
Example requests, priced at today’s rates with no cached input.
| Example request | Gemini 3.5 Flash | Gemini 3.8 Flash |
|---|---|---|
| 1,000 tokens in, 200 out | $0.003465 | $0.001575 |
| 10,000 tokens in, 1,000 out | $0.0252 | $0.011813 |
| 100,000 tokens in, 4,000 out | $0.1953 | $0.0945 |