THE TICKER · GOOGLE · CHECKED DAILY · LAST CHANGE 2026-10-13
GEMINI 4 ARGON API PRICING
What Google charges for Gemini 4 Argon, in USD, cross-checked daily against the public pricing dataset. Effective price — if there's a promo running, this is the promo.
NOTE: Launch rate through 2026-11-30, doubling to $4 in / $20 out from 2026-12-01, the same list price as Opus 5.5. Cache reads 95% below input ($0.10, then $0.20/MTok).
WHAT THINGS ACTUALLY COST ON GEMINI 4 ARGON
| Scenario | Tokens in / out | 1 run | 1,000 runs |
|---|---|---|---|
| A typical prompt (300 tokens in) | 300 / ~900 | $0.0096 | $9.60 |
| A 20-turn conversation (context re-sent) | 4,000 / ~4,000 | $0.05 | $48.00 |
| Summarizing a 10-page document | 8,000 / ~3,200 | $0.05 | $48.00 |
| One agent run (tools, retries, thinking) | 2,000 / ~12,000 | $0.12 | $124.00 |
| A code review request | 1,500 / ~3,750 | $0.04 | $40.50 |
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 4 Argon joins the board at $2 in / $10 out per MTok, same as GPT-6 Sol. It doubles to $4/$20 on Dec 1, which is exactly Opus 5.5 pricing. Cache reads run 95% below input.
Source: ai.google.dev/gemini-api/docs/pricing · price last confirmed against the daily source on 2026-10-14. The full changelog lives at /pricing/changes.
NOW FIND OUT HOW MUCH OF THAT IS WASTE
Gemini 4 Argon's price is fixed. Your token count isn't. Paste a real prompt into the Burn Calculator and see what it costs on Gemini 4 Argon — and how much a leaner version would save at 1,000 runs. Or pull the whole board from the ticker.