Gemini 3.8 Flash
Intro pricing of $0.75/$3.75 per 1M runs through December 31, 2026, then rises to $1.50/$7.50. A separate Gemini 3.8 Flash Cyber twin is restricted to vetted defenders.
01
Snapshot
Overall
73
rank #12 of 26
Coding
73
rank #13 of 26
Multimodal
88
rank #9 of 26
Input / Output
$0.75 / $3.75
USD per 1M tokens
Context
1M
usable recall 90
Speed
~85 tok/s
TTFT 0.3s
Aggregated from public sources and independently weighted; methodology on the Terms page. Scores within 3 points are treated as statistically tied.
02
Specs & pricing
Every tracked field. List API prices in USD per 1M tokens; verify current vendor pricing before purchase.
| Vendor | Google (US) |
| Released / current | 2026.09 |
| Licensing | Closed / managed API |
| Context window | 1M |
| Max output | 64K |
| Effective-context score | 90 |
| Input / output price | $0.75 / $3.75 per 1M tokens |
| Cache discount | No published cache discount |
| Free tier | Gemini App free; API free tier; intro price through Dec 31, 2026 |
| Speed / TTFT | ~85 tok/s / 0.3s |
| Function calling | 78 |
| Refusal rate | ~10% |
| English / Chinese | 88 / 74 |
| Modalities | text, image, audio, video |
| Fine-tuning | Yes |
| Private deployment | No |
| SOC2 / no-train | yes / yes |
03
Strengths & watch-outs
Strengths
- Best-coding Flash yet
- Native text/image/audio/video
- Very fast and low-priced
- Stronger agentic reasoning
Watch-outs
- Intro price doubles in Jan 2027
- 64K max output
- Below Pro on hardest tasks
04
Where it ranks among 26 models
Overall 73/100 (#12), coding 73 (#13), multimodal 88 (#9). See the full boards and side-by-side compare on the leaderboard.
05
Pricing in practice
Illustrative monthly bill for 100M input + 30M output tokens: $188 at list. Your mix and cache-hit ratio change this.
Illustrative model using public list rates before any enterprise agreement; cache discount: No published cache discount.
06
Frequently asked questions
How much does Gemini 3.8 Flash cost?
List API pricing is $0.75 input and $3.75 output per 1M tokens. No published cache discount. Gemini App free; API free tier; intro price through Dec 31, 2026
What is Gemini 3.8 Flash's context window, and is it usable end to end?
It advertises a 1M window with 64K max output; its effective-context score is 90/100, which is the better predictor of whether long-document details are actually retained.
Is Gemini 3.8 Flash good for coding?
Its coding aggregate is 73/100, rank #13 of 26. It is a strong choice for most product engineering.
Can I self-host Gemini 3.8 Flash?
No. It is a closed managed API; there is no weights download.
How strong is it in Chinese and on multimodal inputs?
Chinese score is 74 versus English 88; multimodal aggregate is 88/100 (rank #9), accepting text, image, audio, video.