Gemini 4 Carbon: price, plans and where it ranks

Official sources only.

Strengths and limits

Meant for: Our strongest reasoning model, built for complex software engineering, multimodal knowledge work, scientific reasoning, and cybersecurity defense (the company's own words)
Best at: Not on the leaderboards we carry yet
Relatively weaker at: Not ranked yet
Context (how much it can read at once): 1M tokens
Inputs and outputs: Text, images, audio, video and PDFs in
Effort / thinking levels: API thinking levels: low · medium (default) · high
In which plans: Google AI Ultra 5x, Google AI Ultra 20x
In the apps: Gemini app: Google AI Ultra only (not Free, AI Plus or AI Pro). API: paid tier only, no free tier.
Watch out for: API price doubles on Dec 1, 2026 (US$4 in / US$20 out per 1M tokens).

"Best at" and "weaker at" come from this model's best and worst placings on the independent leaderboards we carry (all rankings); we don't run our own tests. Other facts^5,6,4. When to use which model · Get the most out of Google AI.

Plan prices in USD and CAD
Plan	Monthly billing USD · CAD	Models	Limits	Best for	Sources	Details
Google AI Ultra 5x Cheapest paid Google AI plan	US$99.99CA$139.99	Gemini 4 Carbon, Gemini 4 Argon, highest Pro/Flash	5x Pro limits; 10,000 Flow credits; US$40/mo Cloud credits Good at & limits	Creators	USD¹ CAD²
Google AI Ultra 20x	US$199.99CA$279.99	Gemini 4 Carbon, Gemini 4 Argon, highest Pro/Flash	20x Pro limits; 25,000 Flow credits; US$100/mo Cloud credits Good at & limits	Power users	USD¹ CAD²

Tip: annual billing is often cheaper.

Input / 1M	Output / 1M	Cached input / 1M	Notes	Source
US$2.00	US$10.00	US$0.10	Google's most capable model (GA Nov 10, 2026). Intro price through Nov 30, 2026; doubles to $4/$20 (cache $0.20) from Dec 1, 2026. No free tier; implicit caching only	³

Not on the leaderboards we carry yet. New models usually appear within days; we'll add them once the leaderboard is updated.

Last checked Nov 10, 2026.