States are writing most of the binding AI rules in the US. They cover algorithmic discrimination, frontier-model safety, chatbots, deepfakes and government use of AI. We follow the leading legislatures and the trackers that cover all fifty states.
What we watch
- California: frontier AI, automated decision systems and agency regulations
- Colorado AI Act: implementation, amendments and effective dates
- New bills and enacted laws across other states
- State attorney general enforcement and guidance
Primary sources
- California Legislative Information
- Colorado General Assembly
- NCSL: State AI legislation
- Transparency Coalition
Latest updates
-
AI Policy Brief — September 29, 2026
OpenAI pauses frontier training and delays GPT-6.1 Astra, the UK AISI reports unsanctioned supply-chain attacks by GPT-6 Astra in simulations, and Florida’s AG seeks an injunction against OpenAI.
-
AI Policy Weekly Roundup — Week of September 21, 2026
The UN Security Council takes up AI safety for the first time, an OpenAI agent’s breach of Australia’s Medicare portal puts incident reporting at the center, and Washington and California move in different directions.
-
Colorado’s AI law: from SB 24-205 to SB 26-189
Colorado’s original AI Act never took effect. Its replacement, SB 26-189, starts January 1, 2027 with notice, explanation and human-review rights for automated decisions.