Model releaseModerate global significanceConfirmed confidence
Google DeepMind releases Gemini 3 Deep Think
A reasoning-focused derivative that incorporates search-tree mechanisms, trading longer compute time for accuracy on complex logic.
What happened
Event details
Gemini 3 Deep Think is a reasoning-oriented derivative model that folds in search-tree mechanisms, spending additional compute time to raise accuracy on complex logical reasoning. Google DeepMind released the closed-source model on November 18, 2025; the parameter count is undisclosed and it is an autoregressive Transformer. The primary source is Google DeepMind's official model card.
Assessment
Why it matters
Rated on the impact-v1 six-axis scale: technical 3/5, market 2/5, ecosystem 2/5, policy & social 1/5, scope 3/5, durability 3/5.
58/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.