Current price verification is unresolved or overdue. These are the last recorded rates; check the official source before budgeting. We do not relabel an old check with today's build date.
Gemini 3.8 Flash API Pricing
Gemini 3.8 Flash costs $0.75 per 1M input tokens and $3.75 per 1M output tokens. These rates were last verified on .
Gemini 3.8 Flash: current and scheduled rates
New rates take effect January 1, 2027. Exact transition time/timezone not specified by Google. Prices are USD per 1M tokens.
| Model | Rate period | Input | Cached | Output | Input / output vs current |
|---|---|---|---|---|---|
| Gemini 3.8 Flash | Current introductory rate | $0.75 | $0.075 | $3.75 | Comparison baseline |
| Gemini 3.8 Flash | Standard rate from January 1, 2027 | $1.50 | $0.15 | $7.50 | 100% higher / 100% higher |
Built from the scheduled rate card in the canonical pricing API.
Published rates and billing units
| Billing dimension | USD list price |
|---|---|
| Input / 1M tokens | $0.75 |
| Cached input / 1M tokens | $0.075 |
| Output / 1M tokens | $3.75 |
Verified 2026-11-02 · Official source · Pricing methodology. Taxes, optional services and account-specific discounts are not included.
Cost examples
These examples use published list prices only. They exclude taxes, enterprise discounts, minimum charges, retries, batch discounts, and provider-specific billing rules.
1M input + 1M output
$4.50
A direct per-million comparison against every other text model.
100K input + 25K output
$0.1688
A compact chat, summarization, or analysis workload.
10M input + 2M output
$15.00
A monthly production estimate for heavier RAG or agent traffic.
75% cached input + 250K output
$1.18
Cached input is about 90% cheaper than standard input at list price.
Calculator for Gemini 3.8 Flash
Enter your own input, output, and cached-token assumptions. This calculator is preloaded with only Gemini 3.8 Flash, so the result stays focused on this model.
Input cost
$0.75
Output cost
$3.75
Total
$4.50
Estimates use the current listed rates, not future rates. Scheduled pricing effective January 1, 2027. Standard rate from January 1, 2027: $1.5 input / $0.15 cached input / $7.5 output per 1M tokens. Exact transition time/timezone not specified by the provider. Cache storage and other non-token fees are excluded.
Price history
No list-price movement across 70 daily snapshots from 2026-09-03 to 2026-11-11.
When to use Gemini 3.8 Flash
Good fit
- high-volume routing, classification, extraction, summaries, and fallback traffic
- long-document and repository-scale prompts where context window matters
Be careful with
- blind migration without testing your own prompts, latency, and failure modes