Gemini 3 has not been officially released yet; only preview checkpoints are accessible to select users via routing errors or A/B testing in Google AI Studio and Vertex AI. Google CEO Sundar Pichai confirmed Gemini 3 will arrive before end of 2025. The Context Window is up to 1 million tokens and has standard tiers ...

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Link :
https://www.nextbigfuture.com/2025/11/google-gemini-3-leaks.html