Google · Mid-tier model

Gemini 3.8 Flash pricing & cost calculator

Prices last updated:

Input

$0.75

per 1M tokens

Output

$3.75

per 1M tokens

Context window

1.05M

1,048,576 tokens

Promotional rate through 31 December 2026; scheduled to rise to $1.50 / $7.50.

About Gemini 3.8 Flash pricing

Gemini 3.8 Flash is Google’s mid-tier model that balances capability and price for everyday production workloads. It is billed per token: $0.75 for every million tokens you send and $3.75 for every million tokens it generates, so output costs 5× as much as input.

For a typical request of 1,000 input and 500 output tokens, Gemini 3.8 Flash costs about $0.002625 — the 4th-cheapest of the 14 models we track. One million input tokens is roughly 2,000 pages of English prose.

With Google’s batch API (50% off, results within 24 hours) the rate drops to $0.375 input and $1.875 output per million tokens.

Google’s official pricing page is the source of truth; see our guide to how AI pricing works for caching and long-context rules.

Gemini 3.8 Flash cost calculator

Per request
$0.002625
Per day
$2.62
Per month (30 days)
$78.75

Count tokens from your own text in the full calculator →

What Gemini 3.8 Flash costs for common tasks

Standard pricing, no caching or batch discount. Token sizes are typical estimates — see token cost by use case.
TaskInput tokensOutput tokensPer requestPer 1,000 requests
Short chat reply500300$0.0015$1.50
Support chatbot turn with history3,000400$0.00375$3.75
RAG answer (retrieved context)6,000600$0.00675$6.75
Summarize a 20-page document12,0001,000$0.0128$12.75
Long-document analysis100,0002,000$0.0825$82.50

Compare Gemini 3.8 Flash with…

Other Google models first.

Gemini 3.8 Flash pricing FAQ

How much does Gemini 3.8 Flash cost per token?
Gemini 3.8 Flash costs $0.75 per million input tokens and $3.75 per million output tokens through the Google API. That is $0.000001 per input token and $0.000004 per output token.
How much does a typical Gemini 3.8 Flash request cost?
A request with 1,000 input tokens and 500 output tokens costs about $0.002625 on Gemini 3.8 Flash, or $2.62 per thousand requests.
What is the context window of Gemini 3.8 Flash?
Gemini 3.8 Flash accepts up to 1,048,576 tokens (about 1.05M) of context per request, which covers the prompt, any documents you include and the conversation history.
Does Gemini 3.8 Flash have batch pricing?
Yes. Google's batch API processes requests asynchronously (typically within 24 hours) at 50% off, bringing Gemini 3.8 Flash to $0.375 input and $1.875 output per million tokens.
How accurate is the token count for Gemini 3.8 Flash?
It is an estimate. Google does not publish a browser tokenizer for Gemini 3.8 Flash, so Tokenova counts with o200k_base and applies a Google-specific adjustment. Expect real counts within roughly 10–20% for English text; use Google's token-counting API for exact numbers.