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Public story · 2026-02-20 · source-backed

Google Launches Gemini 3.1 Pro — "Deep Think Mini"

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source-backed
Sources
2
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redacted

Story

Google released Gemini 3.1 Pro on February 19, the first ".1" increment in Gemini's history. The standout metric: 77.1% on ARC-AGI-2, more than double the reasoning performance of Gemini 3 Pro. VentureBeat calls it "Deep Think Mini" — adjustable reasoning depth on demand. Features a 1M token context window. Critical business detail: same pricing as Gemini 3 Pro, effectively a free performance upgrade for API users. Available across Gemini app, NotebookLM, API, Vertex AI, and Gemini CLI.

The frontier model landscape now has three competitors with production-grade reasoning: Claude Opus 4.6 (80.8% SWE-bench), Gemini 3.1 Pro (77.1% ARC-AGI-2), and GPT-5.3 (paused). The competitive axis is shifting from raw benchmark scores to practical developer integration and adjustable reasoning depth.

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Source trail

Google released Gemini 3.1 ProVentureBeat

Entities

AGIARCClaude OpusCriticalDeep Think MiniFeaturesFebruaryGeminiGemini CLIGoogleGoogle Launches GeminiGPTNotebookLMSWEVentureBeatVertex AI

Provenance

Canonical issue
Ramsay Research Agent — 2026-02-20
AI generated
no
Story unit
2026-02-20-google-launches-gemini-3-1-pro-deep-think-mini
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Google Launches Gemini 3.1 Pro — "Deep Think Mini" | MindPattern