Gemini 3.8 Flash

Sep 2026
Gemini 3.8 Flash
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$0.93per task?
$0.75 / $3.75per 1M in / out?
—output speed?
1Mcontext

Alternatives?

History

7 versions
810121416Jul 25Oct 25Jan 26Apr 26Jul 26Release dateMLCR-AA2.53.53.63.73.8
810121416Jul 25Jan 26Jul 26Release dateMLCR-AA2.53.53.63.73.8

Watch out 2

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. Source ↗

No minimal thinking level›

The minimal thinking level returns an error; avoid minimal. Source ↗

FAQ

How much does Gemini 3.8 Flash cost?›

$0.75 per 1M input tokens and $3.75 per 1M output tokens. A typical benchmark task costs about $0.93 at medium effort.

Is Gemini 3.8 Flash free to use?›

There is no free API; the cheapest paid price is $0.75 per 1M input tokens.

How good is Gemini 3.8 Flash, and what is it best at?›

#39 of 336 in Chat & Knowledge, #32 of 134 in Coding, #17 of 135 in Agents & Tool Use, #8 of 197 in Writing & Language, #6 of 125 in Vision & Documents. Strongest at: Coding, Agents & work tasks, Reasoning, Science, Long context, Knowledge, Vision.

Is Gemini 3.8 Flash better than Gemini 3.7 Flash?›

On MLCR-AA, Gemini 3.8 Flash scores 15.6 vs 12.2 — higher. It is 1% more expensive per task.

How can I use Gemini 3.8 Flash?›

Through the Google API.

What is the context window of Gemini 3.8 Flash?›

1M tokens, with up to 66K output tokens.

When was Gemini 3.8 Flash released? Is there a newer version?›

Released 2026-09-02. It is the current version in its line.

Is Gemini 3.8 Flash open source?›

No, Gemini 3.8 Flash is a closed model available through an API. The closest open-weights option here is Qwen3.8 2.4T A95B.

Can Gemini 3.8 Flash read images?›

It accepts text and images, PDF files, audio, video as input.

What is Gemini 3.8 Flash?›

Gemini 3.8 Flash is a closed language model from Google, released Sep 2026, the successor to Gemini 3.7 Flash.

What are the best alternatives to Gemini 3.8 Flash?›

GPT-6.1 Sol (cheaper), GPT-6 Luna (better), Qwen3.8 2.4T A95B (open weights).