Made by Meta

Muse Ember 1.0 has no published cutoff.

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

At least65AI events since its release on 9 November 2026

1 of them historic
1 AI model released after it in our model registry
4 days of news since its release

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

Model ids, prices and docs: Muse Ember 1.0 in the model registry

Five things it has never heard of

12 Nov3 days after its release

Jensen Huang resigns as Nvidia CEO after spy and affair reports

Confirmed
nvidianews.nvidia.com, official
10 Nov1 day after its release

Anthropic launches its IPO roadshow

Confirmed
ipo.anthropic.com, official
12 Nov3 days after its release

Google releases Gemini 4 Hydrogen, a fast Gemini 4 model that edges past Argon, and brings it to Search for everyone

Confirmed
blog.google, official
10 Nov1 day after its release

Gemini 4 Carbon becomes generally available on the Gemini API, the Gemini app and AI Mode

Confirmed
blog.google, official
10 Nov1 day after its release

Google DeepMind’s AlphaProof Code formally verifies Signal’s protocol implementation in Lean

Confirmed
deepmind.google, 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. Muse Ember 1.0 has no published cutoff, so it has no row of its own.

GPT-6 Astra 271 at launch, 1,863 today
Claude Opus 5.5 372 at launch, 1,795 today
Gemini 4 Hydrogen 1,863 at launch, 1,889 today
Grok 4.7 387 at launch, 1,829 today

Show as a table

Model	Cutoff	Released	Missing at launch	Missing today
GPT-6 Astra	April 2026	3 September 2026	271	1,863
Claude Opus 5.5	June 2026	22 September 2026	372	1,795
Gemini 4 Hydrogen	March 2026	12 November 2026	1,863	1,889
Grok 4.7	May 2026	21 September 2026	387	1,829