GoogleGemini 3.5 Flash
The prior Gemini Flash generation: fast, cost-efficient multimodal work with a 1M-token context window, still supported alongside Gemini 3.6 Flash.
Source: Gemini API models, Gemini API pricing, Gemini deprecations (shutdown dates), Context caching (minimums, implicit vs explicit), Metadata verification, Metadata verification
Pricing
Every billing leg from the live catalog, in USD per 1M tokens.
| Billing leg | Rate | Batch |
|---|---|---|
| Input | $1.5 / M | $0.75 / M |
| Output | $9 / M | $4.5 / M |
| Cache read | $0.15 / M | $0.075 / M |
Cost calculator
Billing-grade math over the rate card above, including the thinking tokens most estimates miss.
Hidden reasoning tokens bill as output. 1.0x = thinking off. Medium-effort reasoning typically lands near 3x; heavy reasoning runs 6x to 8x. Set it to match your workload.
Compare providers
The same model, priced across every platform that serves it. Lowest combined in/out rate is flagged.
| Platform | Input / M | Output / M | Cache read / M | Batch | Access |
|---|---|---|---|---|---|
GoogleLowest | $1.5 | $9 | $0.15 | ✓ | First-party API |
Cursor | $1.5 | $9 | $0.15 | — | Direct |
Price history
Has this model gotten cheaper or more expensive?
| Effective | Input / Output | Status |
|---|---|---|
| May 30, 2026 – July 10, 2026 | $1.5 / $9 | past |
| July 10, 2026 | $1.5 / $9 | current |
More from Google
Other models from the same provider.
Stop estimating. Track it.
SuperPenguin meters every Gemini 3.5 Flash call your team makes, prices it with this exact rate card, and shows spend by feature, customer, and team.
Rates are generated from SuperPenguin's live pricing catalog.