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Google DeepMind Chief Says Gemini 4 Has Entered Post-Training Ahead of 2026 Release Push

September 27, 2026 at 10:31 EDT

Foundation Models
AI Agents
Software Dev & Coding

Google DeepMind says Gemini 4 has entered post-training, putting its next flagship model on a path toward a release well before the end of 2026. Koray Kavukcuoglu, the new operational leader of Google DeepMind, said Google wants to publish an early post-training output as soon as possible and then keep iterating quickly.

Sep. 2026 · Google DeepMind

Gemini 4 moves to post-training

Google's next flagship model is being refined after training, with an early output targeted before the end of 2026. The question now shifts from timing to proof: benchmarks, availability, pricing, and safety limits.

Post-training

Current development stage

Before end-2026

Target release window

950M+

Gemini app monthly users

The flagship gap is about 10 months

10 months

Each block represents one month since Gemini 3's November 2025 flagship launch.

Release path

Base model trained

Post-training

Guardrails and safety

Early output

Why builders like it

A faster cadence could bring stronger coding, agent, and multimodal behavior into developer tools sooner.

Why caution remains

Gemini 4 still lacks public benchmarks, pricing, API details, context limits, and a confirmed rollout path.

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