Gemini 3.8 Flash
Google's third Flash release in six weeks, announced alongside a Cyber variant, with three thinking-effort levels, a 1M context window, and introductory pricing held to Dec 31, 2026.
Gemini 3.8 Flash is available on MiniRouter as . The model page has current pricing, provider routes and API setup.
About the model
- Context: 1M. 64K maximum output per the Gemini API model page
- Thinking effort: low / medium / high. Medium is the default; Google recommends it for code and agent use
- Modalities: Text, image, video, audio, docs in. Text output only
- Weights: Not released. API access via the Gemini API and Vertex AI
Publisher pricing
Pricing below comes from the linked publisher sources and does not represent a MiniRouter route or price.
Publisher-reported benchmarks
Results from the publisher’s announcement, grouped by unit.
| Benchmark | Reported result | Reported by | As of | Source |
|---|---|---|---|---|
| HLE-Verified | 54.9% | Sep 2, 2026 | Announcement ↗ |
Google names DeepSWE v1.1, Vals Finance Agent V2, and Harvey's legal agent benchmark in the announcement but prints no scores, so they are omitted here.
Google's cyber results (CyberGym, CWE-Bench) apply to the separate 3.8 Flash Cyber model, not the model MiniRouter routes.
Google reports the benchmark figures; MiniRouter has not reproduced them.
Independent measurements
Artificial Analysis evaluations of the first-party API.
Gemini 3.8 Flash (high) ranks #16 of 462 model families on their Intelligence Index. Their headline uses the highest-scoring effort setting; every listed setting is below.
- Intelligence Index
- 40.9
- Composite of their evaluations
- Coding Index
- 76.3
- Coding evaluations only
- Blended price
- $1.50
- USD per 1M tokens, 3:1 input to output, first-party list
- Output speed
- 366
- Median tokens per second
- First answer token
- 12s
- Median seconds, including reasoning
| Setting | Intelligence Index | Coding Index | Blended price | Output speed | First answer token |
|---|---|---|---|---|---|
| Gemini 3.8 Flash (high) ↗ | 40.9 | 76.3 | $1.50 | 366 | 12s |
| Gemini 3.8 Flash (medium) ↗ | 39.8 | 74.1 | $1.50 | — | — |
| Gemini 3.8 Flash (low) ↗ | 33.5 | 73.5 | $1.50 | — | — |
Source: Artificial Analysis ↗, read Sep 21, 2026. Measured on the model's first-party API, not a MiniRouter route.
Keep exploring
Compare published results in the model rankings and coding benchmarks, or read more model releases.
For MiniRouter product updates, visit the changelog.
Sources
- Read at Google ↗
Google announcement
Published Sep 2, 2026
- Read at Artificial Analysis ↗
Artificial Analysis model page
Published Sep 21, 2026
Editorial reference revised 2026-10-17. Catalog status comes from the generated routing snapshot.