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Gemini 4 Carbon Calculator — requests per $1

Every monthly plan that includes Gemini 4 Carbon, converted to requests per $1 at the model's typical request shape (site default). Same engine as the main calculator — proxy estimates carry a ~ marker; coarse estimates carry ≈.

Gemini 4 Carbon is Google DeepMind's newest frontier Gemini 4 model, announced 2026-10-28 for long-horizon engineering work and state-of-the-art cybersecurity defense, with access opening to trusted cyber defenders before general release.

At Gemini 4 Carbon’s default shape

—req / $1

n/ano plan prices Gemini 4 Carbon

Agent Arena benchmark

#2 (High) · 16.04% net improvement

Agent Arena leaderboard · fetched 2026-11-02

Per-request shape · tokens
Plan detailsProvider and subscription tier. Sorts by provider name.Standard monthly price in USD, before first-month promotions.Estimated cost per request for the selected model and token shape.Requests fitting in the rolling 5-hour budget. '—' means no published 5-hour limit.Requests fitting in the rolling 7-day budget. '—' means no published weekly limit.Requests fitting in 30 days. Weekly budgets are extrapolated; unused credits do not roll over.Requests per $1 of plan price over 30 days. Higher is better.Requests per $1 available in one 5-hour burst. Uncapped plans match Req / $1.SubscribeOpen provider pricing. Referral links may support TokenPlans at no extra cost.

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Markers: ~ proxy estimate · ≈ coarse estimate · ≥ cache floor · ≤ cache ceiling — a plan that publishes no cached-read rate bills cached tokens at the input rate, so its Req/$1 is a floor (≥) and its cost is a ceiling (≤). Borrowed cap means the budget is a published API cap at list price, so Req / $1 is a value comparison rather than a measured allowance.

Common questions

How many requests per $1 do I get on Gemini 4 Carbon?

No plan prices Gemini 4 Carbon yet — the calculator shows n/a rather than a made-up number.

What's the cheapest plan with Gemini 4 Carbon?

No tracked plan lists it.

Which plans include Gemini 4 Carbon?

No tracked plan lists Gemini 4 Carbon yet — The calculator shows n/a rather than a made-up number.

Where does Gemini 4 Carbon rank on the Agent Arena leaderboard?

#2 (High config) on the Agent Arena agent leaderboard — 16.04% net improvement (board fetched 2026-11-02). Ranks are scraped from https://arena.ai/leaderboard/agent, never typed by hand.

What is Gemini 4 Carbon?

Gemini 4 Carbon is Google DeepMind’s frontier text generation model (family: google, kind: text), announced 2026-10-28 as the successor to Gemini 4 Argon. Google describes it as its strongest model to date, built for sustained agentic workflows — long-horizon engineering tasks where a model runs for days across a large codebase.

Is Gemini 4 Carbon open-weight?

No — Gemini 4 Carbon is a proprietary Google model, so unlike open-weight models such as GLM-5.3 it is only reachable through Google’s own endpoints; you cannot self-host it or access the weights.

Can I use Gemini 4 Carbon today?

Not generally. Google is rolling Carbon out deliberately: it starts with a subset of cyber defenders and then phases access to additional trusted partners through its Fairwind Program, with developer, business and consumer availability promised for its product surfaces afterwards. No tracked monthly subscription plan offers it yet.

How does Gemini 4 Carbon relate to Gemini 4 Argon?

Carbon is the second model of the Gemini 4 generation and builds on Gemini 4 Argon, which Google launched two weeks earlier. Carbon takes the frontier position for long-horizon and security-sensitive work; Argon remains the Gemini 4 model that paid API customers and subscription plans can reach today.

What benchmark results did Google publish for Gemini 4 Carbon?

Google reports first place on the Artificial Analysis Intelligence Index v5.0 with a score of 59, plus SEC-bench Pro 88.2% for finding vulnerabilities, ExploitGym 54.8% for exploitation and CWE-bench 71.0% for patching — and fourth place on WebDev Arena at 1768 Elo, an 89-point gain over its predecessor. These are vendor-published figures, not independent verification.

What is Gemini 4 Carbon best used for?

Google positions Carbon for hard, long-horizon engineering problems — root-causing and patching subtle bugs across large codebases and low-level systems — and for the cybersecurity defense lifecycle: vulnerability detection, validation and remediation. It is a frontier pick rather than a cheap high-throughput model.

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