Gemini 4: Google says the model has entered post‑training

Google DeepMind chief Koray Kavukcuoglu said Gemini 4 has entered post-training, confirming the next-generation model is now in internal refinement, according to recent statements reported by multiple outlets.

Kavukcuoglu told reporters that Gemini 4 is in an “early phase of post-training,” and that Google is already testing the model inside an internal system called Antigravity, the reporting said.

That testing and refinement are part of the post-training work groups run after the main pre-training stage, sources note — a step used to tune safety, behavior and tooling before wider developer access.

A dimly lit lab workbench with anonymous engineering equipment, a rack of blinking servers in the background and a single monitor showing abstract model diagnostics; no logos or people

Google has signalled it wants an early post-training release and has said it hopes to ship Gemini 4 well before the end of 2026, although no formal public release date has been announced, reporters add.

Observers say that moving a frontier model into post-training typically shifts focus from raw scale runs to safety, evaluation and product integration — the tasks Google is describing as it runs Antigravity trials.

Close-up of an anonymous pair of hands at a keyboard in a control room, a large monitor showing blurred graphs and test names, the scene anonymous and unbranded

Industry coverage places the new timeline in the context of the broader frontier race among major labs, and analysts have argued that earlier internal trials can precede limited developer previews or API access.

For background on Google’s public timeline around the model, see prior reporting that outlined early training milestones and company strategy; for how the update could affect Alphabet’s AI business, analysts point to the scale of investment in flagship models.

Related reading: Gemini 4 release and Alphabet’s AI business.

Sources

The Next Web — reported Koray Kavukcuoglu saying Gemini 4 is in post-training and is being tested in Antigravity.
Yahoo Finance — covered Kavukcuoglu’s comments on post-training and the company’s aim to roll out an early post-training version as soon as possible.
Forkast — reported that Gemini 4 has entered post-training and that Google aims for an earlier release than year-end.
Times of India — noted Kavukcuoglu’s statement that Gemini 4 has formally entered initial stages of post-training.

About the author, Chris Martin

Chris Martin is a US economics and current affairs journalist covering the intersection of policy, markets, and everyday financial life. With a background in financial reporting and a sharp eye for the stories behind the numbers, Chris brings clarity to some of the most complex issues shaping the American economy today. At ECIKS.org, Chris covers breaking developments across domestic economic policy, business strategy, Wall Street movements, and political decisions that ripple through financial markets. His reporting blends rigorous data analysis with accessible storytelling making critical information useful for investors, entrepreneurs, and engaged citizens alike.