THE TICKER · GOOGLE · CHECKED DAILY · LAST CHANGE 2026-11-12
GEMINI 4 CARBON API PRICING
What Google charges for Gemini 4 Carbon, in USD, cross-checked daily against the public pricing dataset. Effective price — if there's a promo running, this is the promo.
USAGE: <0.2% of OpenRouter tokens in the week of 2026-11-02. What people actually run. Source: OpenRouter (openrouter.ai/rankings), as of 2026-11-12.
NOTE: Google's strongest Gemini 4 reasoning model, priced exactly like Gemini 4 Argon: launch rate through 2026-11-30, doubling to $4 in / $20 out from 2026-12-01. Cache reads 95% below input ($0.10, then $0.20/MTok).
WHAT THINGS ACTUALLY COST ON GEMINI 4 CARBON
| 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 Carbon joins the board at $2 in / $10 out per MTok. Google calls it its strongest reasoning model and prices it exactly like Gemini 4 Argon, including the doubling to $4/$20 on Dec 1.
Source: aistudio.google.com/docs/pricing · price last confirmed against the daily source on 2026-11-12. The full changelog lives at /pricing/changes.
NOW FIND OUT HOW MUCH OF THAT IS WASTE
Gemini 4 Carbon'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 Carbon — and how much a leaner version would save at 1,000 runs. Or pull the whole board from the ticker.