Gemini 3.1 Pro is an AI model released by Google on Feb 19 2026, 64 days after Gemini 3.0 Flash. It is the 20th tracked release from Google out of 22 total.
On published benchmarks, it scores 94.3% on GPQA Diamond (graduate-level science reasoning), 80.6% on SWE-Bench Verified (real-world software engineering).
About Google: Builds the Gemini family of models through Google DeepMind. Integrates AI across Google products.