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Models2026-06-02 · source-backed

Gemini 3.1 Pro hit public preview on Vertex AI with a 1M-token context window.

Confidence
source-backed
Sources
1
Redaction
redacted

Story

Multimodal across text, audio, images, video, PDFs, and whole code repos, with a cheaper Flash-Lite companion (Google Cloud). It lands straight at Opus and GPT-5.5 on the enterprise cloud battlefield. The 1M context is table stakes now, not a differentiator.

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Source trail

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Provenance

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Story unit
2026-06-02-gemini-3-1-pro-hit-public-preview-on-vertex-ai-with-a-1m-token-context-window
Labels
source-backed, canonical briefing excerpt