AI Sec Watch: A Security Intelligence Platform for AI Systems

Luu, T.J.

Gemini 3.1 Pro

infonewsLLM-Specific

industry

Source: Simon Willison's WeblogFebruary 19, 2026

Summary

Google released Gemini 3.1 Pro on February 19, 2026, a new AI model priced at half the cost of Claude Opus 4.6 with similar performance benchmarks. The model shows improved ability to generate SVG animations (scalable vector graphics, images made from code rather than pixels) compared to its predecessor, though it is currently experiencing slow response times and occasional errors due to high demand at launch.

Classification

Attack SophisticationTrivial

AI Component TargetedModel

Affected Vendors

Google

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Original source: https://simonwillison.net/2026/Feb/19/gemini-31-pro/#atom-everything

First tracked: February 19, 2026 at 03:00 PM

Classified by LLM (prompt v3) · confidence: 92%