THE TICKER · GOOGLE · CHECKED DAILY · LAST CHANGE 2026-09-06
GEMINI 3.8 FLASH API PRICING
What Google charges for Gemini 3.8 Flash, in USD, cross-checked daily against the public pricing dataset. Effective price — if there's a promo running, this is the promo.
NOTE: Same price as 3.7 Flash (built on it, not a new base model). Introductory rate through 2026-12-31, rising to $1.50 in / $7.50 out from 2027-01-01.
WHAT THINGS ACTUALLY COST ON GEMINI 3.8 FLASH
| Scenario | Tokens in / out | 1 run | 1,000 runs |
|---|---|---|---|
| A typical prompt (300 tokens in) | 300 / ~900 | $0.0036 | $3.60 |
| A 20-turn conversation (context re-sent) | 4,000 / ~4,000 | $0.02 | $18.00 |
| Summarizing a 10-page document | 8,000 / ~3,200 | $0.02 | $18.00 |
| One agent run (tools, retries, thinking) | 2,000 / ~12,000 | $0.05 | $46.50 |
| A code review request | 1,500 / ~3,750 | $0.02 | $15.19 |
Output sizes assume the same editorial ratios as the Burn Calculator (3x for prompts, 6x for agent runs). Estimates, not invoices.
VS. THE REST OF THE BOARD
“Same job” = a 1,000-token prompt with a 3,000-token reply, priced on both models. Cheaper is not always better. It is, however, always cheaper.
PRICE HISTORY
Gemini 3.8 Flash joins the board at $0.75 in / $3.75 out per MTok — same intro price as 3.7 Flash, same scheduled rise to $1.50/$7.50 on 2027-01-01.
Source: ai.google.dev/gemini-api/docs/pricing · price last confirmed against the daily source on 2026-09-06. The full changelog lives at /pricing/changes.
NOW FIND OUT HOW MUCH OF THAT IS WASTE
Gemini 3.8 Flash's price is fixed. Your token count isn't. Paste a real prompt into the Burn Calculator and see what it costs on Gemini 3.8 Flash — and how much a leaner version would save at 1,000 runs. Or pull the whole board from the ticker.