Gemini 3.8 Flash

Sep 2026
Gemini 3.8 Flash
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$1.24per task?
$0.75 / $3.75per 1M in / out?
149 tok/sfirst token in 26 s?
1Mcontext

Alternatives?

History

7 versions
20406080Jul 25Oct 25Jan 26Apr 26Jul 26Release dateSimpleQA Verified v12.53.53.63.73.8
20406080Jul 25Jan 26Jul 26Release dateSimpleQA Verified v12.53.53.63.73.8

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 $1.24 at high 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?›

#17 of 334 in Chat & Knowledge, #30 of 132 in Coding, #18 of 133 in Agents & Tool Use, #6 of 195 in Writing & Language, #4 of 124 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 SimpleQA Verified v1, Gemini 3.8 Flash scores 74.6 vs 73.2 — higher.

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 DeepSeek V4 Pro 0813.

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), DeepSeek V4 Pro 0813 (open weights).