Google launches Gemini 4 Carbon, its strongest model, rolling out to Ultra subscribers and API developers
On November 11, Google CEO Sundar Pichai and the official Google AI account simultaneously announced the release of Gemini 4 Carbon, a new frontier model rolling out the same day to Google AI Ultra subscribers worldwide across desktop, mobile, and the web-based Gemini App. Google positions it as the most capable Gemini model to date, purpose-built for sustained long-horizon tasks, with deep reasoning across complex knowledge work, software engineering and web development, cybersecurity, and scientific reasoning, and frontier-level performance in agentic workflows. Current status: the model is officially available, but initially only to Ultra subscribers and API developers; Pro-tier subscribers do not yet have access.
Confirmed
- Announcement channels: Sundar Pichai, GoogleAI, and GeminiApp official accounts all posted the announcement with links to the official blog, with consistent content (m1, m3, m4, m16).
- Availability: accessible to AI Ultra subscribers in the Gemini App; developers can use it via the Gemini API (AI Studio) and Antigravity (m2, m5, m7, m8, m12).
- Performance and capabilities: developer relations engineer patloeber called it a major leap over the previous-generation Argon, with identical API features and unchanged pricing (m7); Philipp Schmid reported bug recall improved by more than 25% over Argon (m8, m12); koraykv (official Google post) said the model tops multiple independent benchmarks, including Cursor-related ones, and internal teams have already used it to assist in mathematically proving Signal's core cryptographic protocols (m9).
- Industry reaction: Hugging Face's Omar Sanseviero (now on the Google team) assessed it as clearly stronger than Argon and a significant upgrade (m10, m11).
Unconfirmed
- Capability details mentioned by testingcatalog and full benchmark data await the official blog and subsequent reviews (m6).
- No official timeline for when Pro-tier subscribers will get access (m6).
Why it matters
- Gemini 4 Carbon arrived only weeks after the previous-generation Argon went live (m13), a markedly accelerated release cadence reflecting Google's aggressive strategy in the frontier-model race.
- Its focus on long-horizon agentic workflows and cybersecurity directly targets high-value scenarios like complex software engineering and scientific discovery.
- API pricing is on par with Argon while performance has improved substantially (25%+ better bug recall), offering developers significantly better value.
2026-11-11 ~ 2026-11-11 · 27 related posts
- Episode 1: Gemini 4 Carbon Reportedly Appears on Google Cloud(2026-11-10, 2 posts)
- Episode 2: Gemini 4 Carbon Reportedly Requires Ultra Subscription or API Key(2026-11-10, 2 posts)
- Episode 3: Gemini 4 Carbon lands on AI Studio and Vertex with pricing revealed(2026-11-10, 3 posts)
- Episode 4: Google launches Gemini 4 Carbon, its strongest model, rolling out to Ultra subscribers and API developers(2026-11-11, 27 posts)
- Episode 5: Google brings Gemini 4 Carbon to Search AI Mode for Ultra subscribers(2026-11-11, 2 posts)
Primary sources
- [source] Google rolls out Gemini 4 Carbon for long-horizon agentic tasks — sundarpichai · 2026-11-11
- More on Gemini 4 Carbon: Google publishes official rollout details — sundarpichai · 2026-11-11
- Gemini 4 Carbon ships to Gemini API and Ultra subscribers just weeks after Argon — AI_Andrew · 2026-11-11
- [source] Gemini 4 Carbon hits the API: big jump over Argon at the same price — patloeber · 2026-11-11
- Gemini 4 Carbon lands in Gemini API with 25% better vulnerability recall than Argon — _philschmid · 2026-11-11
- Google rolls out Gemini 4 Carbon, its strongest model, to AI Ultra subscribers — GeminiApp · 2026-11-11
- Google launches Gemini 4 Carbon, tops CursorBench 4.0 and other independent benchmarks — koraykv · 2026-11-11
- Google Announces Gemini 4 Carbon Rollout for Ultra Subscribers and APIs — testingcatalog · 2026-11-11
- Gemini 4 Carbon now available to developers, billed as a step up from Argon — osanseviero · 2026-11-11
- Google Launches Gemini 4 Carbon, Official Blog Confirms New Model — TorturedPoet30 · 2026-11-11
- Gemini 4 Carbon rolls out to Ultra subscribers in the Gemini App worldwide — GeminiApp · 2026-11-11
- Gemini 4 Carbon reportedly launches with frontier cybersecurity and long-horizon agentic capabilities — YashasGunderia · 2026-11-11
- Google announces Gemini 4 Carbon rollout, used internally to prove Signal's crypto protocol — OfficialLoganK · 2026-11-11
- Google launches Gemini 4 Carbon, its strongest frontier model alongside Argon — GeminiApp · 2026-11-11
- Google launches Gemini 4 Carbon with new /swarm feature in Antigravity — lmthang · 2026-11-11
- Gemini 4 Carbon rolls out to Ultra users in Antigravity alongside native /swarm multi-agent mode — petrusenko_max · 2026-11-11
- Google ships Gemini 4 Carbon weeks after Argon, touting cyber, knowledge work and code gains — CodeByPoonam · 2026-11-11
- Google opens Gemini 4 Carbon to all paying developers at $2/$10 per 1M tokens — rohanpaul_ai · 2026-11-11
- Gemini 4 Carbon lands on Vercel AI Gateway at 50% off through Nov 30 — steren · 2026-11-11
8 near-duplicate retellings: _philschmid · osanseviero · GoogleAI · GoogleAI · OfficialLoganK · GeminiApp · mustafasuleyman · melvinjohnsonp