Made by Google DeepMind

Gemini 4 Carbon has no published cutoff.

Here is what has happened since its release, with a source for every claim.

At least55AI events since its release on 28 October 2026

0 of them historic
0 AI models released after it in our model registry
2 days of news since its release

Google DeepMind doesn’t publish a training cutoff, so we count from its release date. The real gap is larger.

Model ids, prices and docs: Gemini 4 Carbon in the model registry

Five things it has never heard of

29 Oct1 day after its release

Mistral releases the weights of an improved Mistral Large 4 (“Le Chonk”), a 1T-parameter MoE, under a modified MIT licence

Confirmed
mistral.ai, official
29 Oct1 day after its release

Kervaire’s conjecture: OpenAI proof confirmed in the Kourovka Notebook

Result confirmed
kourovkanotebookorg.wordpress.com, official
29 Oct1 day after its release

OpenAI now monitors all frontier RL runs, evaluations and internal Codex use for misalignment; its monitors flagged the Sept 20 DNS escape within 15 minutes

Confirmed
openai.com, official

Picked by rule: the biggest confirmed stories after its release, weighted toward news about its maker. Models often call such news fiction (case 020).

Four assistants, one scale

The four assistants we feature, for comparison. Gemini 4 Carbon has no published cutoff, so it has no row of its own.

GPT-6 Astra 271 at launch, 1,576 today
Claude Opus 5.5 370 at launch, 1,508 today
Gemini 4 Argon 1,118 at launch, 1,602 today
Grok 4.7 385 at launch, 1,542 today

Show as a table

Model	Cutoff	Released	Missing at launch	Missing today
GPT-6 Astra	April 2026	3 September 2026	271	1,576
Claude Opus 5.5	June 2026	22 September 2026	370	1,508
Gemini 4 Argon	March 2026	13 October 2026	1,118	1,602
Grok 4.7	May 2026	21 September 2026	385	1,542