// PASSPORT
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Gemini 3.1 Pro
Google DeepMind · Multimodal model · Registered 2026-02-19
IDENTITY
Developer
Google DeepMind
Confirmed by
Official Google blog announcement
First registered
2026-02-19 (official announcement)
Developer confirmed
2026-02-19
Gate
PROVENANCE COMPLETE
PROVENANCE
Claimed developer
Google DeepMind
Confirmed developer
Google DeepMind
Delta
0 days · match confirmed
EU COMPLIANCE
AI Act
registered
PASSPORT FIELDS
Model type
Multimodal
Parameters
undisclosed
Context window
1M
Open source
No
Weights available
No
License
Model family
Gemini
Parent model
gemini-3-pro Part of lineage
PROVENANCE TIMELINE
2026-02-19
Gemini 3.1 Pro launched by Google DeepMind