Gemini 2.0 Flash vs Gemini 3.8 Flash
| Benchmark | Gemini 2.0 Flash | Gemini 3.8 Flash |
|---|---|---|
| Humanity's Last Exam | — | 42.1 |
| Terminal-Bench 4.0 | — | 19.7 |
| AutomationBench-AA | — | 60.9 |
| MMMU-Pro (vision) | — | 84.2 |
Specs
| Spec | Gemini 2.0 Flash | Gemini 3.8 Flash |
|---|---|---|
| Input, per 1M | — | !$0.75 |
| Output, per 1M | — | !$3.75 |
| Cost per task? | — | $0.93 |
| Context | — | 1M |
| Weights | Not verified | Closed |
| Released | Feb 2025 | Sep 2026 |
| See images | ✓ | ✓ |
| Read PDFs | — | ✓ |
| Hear audio | ✓ | ✓ |
| Watch video | ✓ | ✓ |
| Call tools | ✓ | ✓ |
| Force a tool call | ? | Partial |
| Return strict JSON | — | ✓ |
| Search the web | ? | ✓ |
| Run code | ? | ✓ |
| Use a computer | ? | ? |
What breaks when you switch
Gemini 2.0 Flash → Gemini 3.8 Flash
Sampling parameters are ignored›
temperature, top_p and top_k are ignored now and will cause HTTP 400 in future generations; remove them from requests.
No minimal thinking level›
The minimal thinking level returns an error; avoid minimal.
Gemini 3.8 Flash → Gemini 2.0 Flash