Gemini 3.5 Flash API pricing
Gemini Flash generation of mid-2026.
Input
$1.50
per 1M tokens
Cached input
$0.15
per 1M tokens
Output
$9.00
per 1M tokens
Context window
1M
max output 66K
Prices last synced Aug 20, 2026 from the LiteLLM community price catalog — the same catalog Marginal prices real usage events against, refreshed daily. Hand-checked against the provider's official pricing page on Aug 20, 2026. Spot an error? Tell us.
Pricing notes
- Cache storage bills $1.00 per 1M tokens per hour on top of cached-token rates.
What would Gemini 3.5 Flash cost you?
Enter your workload — add other models to compare the same traffic across providers.
Your monthly workload
Cache hit rate = share of input tokens served from the provider's prompt cache, billed at the model's cached-input price. Estimates use standard per-token rates — batch discounts, service tiers, and long-context surcharges are not applied.
| Model | Input | Cached input | Output | Per request | Monthly |
|---|---|---|---|---|---|
| Gemini 3.5 Flash | $900 | $60.00 | $2,250 | $0.00642 | $3,210 |
Compare Gemini 3.5 Flash
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Tracking Gemini 3.5 Flash in production?
Marginal prices every call your app actually makes — cached tokens, dated snapshots, model switches included — and slices spend by customer or feature. One track() call to integrate.