MODEL PROOF
Gemini 3.8 Flash (batch)
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
- Independent LMArena score
- Not independently rated
- Context window
- 1.05M
- Maximum output
- 65.54K
- Input modalities
- text, image, video, file, audio
- Output modalities
- text
- Published input price
- $0.375 / 1M tokens
- Published output price
- $1.88 / 1M tokens
- Pricing kind
- fixed
MODEL MONUMENT
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Google: Gemini 3.8 Flash (batch). Balanced workload. Not independently rated. Evidence as of 19 Sept 2026.
$0.375/M in, $1.88/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. Gemini 3.8 Flash (batch) has no independent quality score. Unrated is not a score of zero.
Every price dimension
| Input | $0.375/M |
|---|---|
| Output | $1.88/M |
| Cached input | $0.037/M |
| Cache write | $0.042/M |
| Reasoning | $1.88/M |
| Web search | $0.014/call |
Reasoning tokens are billed separately at $1.88/M, on top of output. On a reasoning-heavy workload this can be 40% of the bill and it does not appear in the advertised price.
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Best rankings by task
- mobileapps #6of 40 1259
- uicomponent #7of 104 1340
- website #8of 114 1315
- codecategories #8of 108 1324
- gamedev #9of 107 1339
- webapps #10of 39 1256
- 3d #12of 100 1323
- fullstack #12of 41 1250
Capability
| Context window | 1.0M |
|---|---|
| Max output | 66K |
| Input modes | text, image, video, file, audio |
| Tool use | yes |
| Reasoning | always on |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-09-19 |
| Quality data | unrated |
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Questions this page answers
What does Gemini 3.8 Flash (batch) cost?
$0.375/M in, $1.88/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does Gemini 3.8 Flash (batch) have an independent quality score?
Gemini 3.8 Flash (batch) has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats Gemini 3.8 Flash (batch)?
Gemini 3.8 Flash (batch) has no independent quality score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for Gemini 3.8 Flash (batch)?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.