Model tracker / Google
Gemini 3.8 Flash
Gemini 3.8 Flash is a fast model from Google, released 2 September 2026. At Google it costs $0.75 per million input tokens and $3.75 per million output tokens, with a 1M-token context window.
- Made by
- Alphabet (Google, Google DeepMind, Google Cloud)
- Released
- 2026-09-02
- Status
- Generally available
- Tier
- Fast
- Weights
- Closed
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Input
- text, image, audio, video, pdf
- API id
gemini-3.8-flash
Gemini 3.8 Flash price at Google
US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on.
| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| Google · maker | $0.75 | $3.75 | $0.075 | $1.50 | 50% off | 2026-10-14 |
- Google: Introductory price through 2026-12-31; from 2027-01-01 $1.50 in / $7.50 out ($0.15 cached). Cache storage $0.50 per 1M tokens per hour, rising to $1.00 from 2027-01-01. Free tier available.
Gemini 3.8 Flash benchmarks
| Benchmark | Score | What it measures | Reported by |
|---|---|---|---|
| LMArena text score | 1495 | Elo-style score from people voting between answers | Independent |
Scores reported by a model's maker aren't independently checked.
Models like Gemini 3.8 Flash
Other fast models closest in price, at each maker's own price or the cheapest provider.
| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| Gemini 3.8 Flash | $0.75 | $3.75 | 1M | Closed |
| Gemini 3.6 Flash Google | $0.75 | $3.75 | 1M | Closed |
| Grok 4.3 xAI | $1.25 | $2.50 | 1M | Closed |
| Claude Haiku 4.5 Anthropic | $1.00 | $5.00 | 200K | Closed |
| Qwen3.8 27B Alibaba | $0.50 | $3.00 | 1M | Open |
| Amazon Nova 2 Lite AWS | $0.30 | $2.50 | 1M | Closed |
Compare them all in the model tracker →
Gemini 3.8 Flash on dbggr
- AI video generation compared: Veo, Wan, Seedance, Kling, Runway, HeyGen, Remotion and what a finished video costs (October 2026) Article, 2026-10-13
- Voice AI compared: speech-to-text, text-to-speech and voice agents from ElevenLabs, OpenAI, Google and 20 others (October 2026) Article, 2026-10-13
- How to write instructions for AI agents: what's tested and what's vibes Article, 2026-10-09
- Google launches the Gemini agent, one work agent that also runs Claude models Daily, 2026-10-08
- An OpenAI agent broke into Australia's Medicare statistics portal Daily, 2026-09-23
Gemini 3.8 Flash FAQ
How much does Gemini 3.8 Flash cost?
Gemini 3.8 Flash costs $0.75 per million input tokens and $3.75 per million output tokens at Google, and $0.075 per million cached input tokens, with 50% off for batch requests. Prices are list prices in US dollars, last checked 14 October 2026.
What is Gemini 3.8 Flash's context window?
Gemini 3.8 Flash takes up to 1,048,576 tokens in one request and writes up to 65,536 tokens in one response.
Is Gemini 3.8 Flash open weight?
No. Gemini 3.8 Flash is only available through Google's API; Google doesn't publish the weights.
Where can I use Gemini 3.8 Flash?
Gemini 3.8 Flash is available from Google. At Google, call it as gemini-3.8-flash.