ESP Governor signs SB-53 release 2025-09-29 (web)

Citation

Economic Security Project. “Governor Newsom Signs SB 53, Establishing California as Global Leader in AI Safety and Innovation.” Press release, Sacramento, September 29, 2025. https://economicsecurityproject.org/news/governor-newsom-signs-sb-53/. Read 2026-10-20.

Bottom line

• The co-sponsor of SB 53 calls CalCompute “a public option” that will “dilute this concentrated market”. This is the sponsor’s statement of intent.
• The release says compute for advanced AI “is dominated by just three companies: Amazon, Google, and Microsoft”. It gives no source.
• The release says the law “creates CalCompute”. The statute only sets up a consortium to write a framework. The release is advocacy.

Background

The Economic Security Project (ESP) published this release on the day Governor Gavin Newsom signed SB 53. Its California affiliate, Economic Security California Action, co-sponsored the bill. The same group co-sponsored SB 1047 in 2024 (ESP Action CalCompute public cloud release 2024-02-08 (web)). The Governor’s own release for the same day is Newsom SB-53 signing release 2025-09-29.

Key claims

• Subtitle: “Landmark legislation creates transparency requirements for advanced AI systems and establishes a public option for cloud computing”.
• SB 53 is “legislation that creates CalCompute, a public computing infrastructure designed to broaden access to artificial intelligence development resources”.
• “The legislation follows recommendations from Governor Newsom’s working group of leading AI experts established after his veto of Sen. Wiener’s SB 1047 last year.”
• “The bill is co-sponsored by Economic Security California affiliate Economic Security California Action.”
• Teri Olle, “Director of Economic Security Project California”: “Until today, Big Tech execs have had full control of AI, they’ve had no guardrails to prevent widespread harm”.
• Olle: “What’s more, we have an investment in the computing power that will allow for AI innovations that serve the public for generations to come.”
• “the law creates CalCompute, a public cloud computing cluster that provides AI infrastructure for startups, researchers, and entrepreneurs that will democratize access and enable innovators to use AI to solve our most pressing public problems.”
• “Currently, computing power needed for advanced AI development is dominated by just three companies: Amazon, Google, and Microsoft.”
• “CalCompute will provide a public option, dilute this concentrated market, and create AI solutions that are desperately needed.”
• “California has a history of making strategic public investments in emerging technologies. CalCompute follows this tradition by creating space for innovations that benefit society broadly.”
• “SB 53 ensures that the computing power needed to fuel these technological advances benefits the public, not just the few tech companies that currently control the lion’s share of the market.”
• The release cites “80% of adults surveyed by Gallup this spring” who “said they favor safety and security over speed in AI development.”

Evidence and method

An organization press release. It links the Governor’s release, the working group’s site, a Gallup poll and news stories. It gives no source for the three-company claim.

Limits

• The release is advocacy. It states the sponsor’s goals in the present tense, as if the law already built a cluster.
• The three-company claim has no data or source in the release.
• “Public option” is the sponsor’s term. The statute does not use it.

⚠️ Contradiction: The release says “the law creates CalCompute, a public cloud computing cluster that provides AI infrastructure for startups, researchers, and entrepreneurs”. § 11546.8 (a) sets up “a consortium that shall develop, pursuant to this section, a framework for the creation of a public cloud computing cluster to be known as “CalCompute."" (SB-53 Gov Code 11546.8). The statute governs.

⚠️ Contradiction: Olle says “we have an investment in the computing power”. The statute contains no funds for a cluster. Subdivision (f)(2)(B) asks the Report for “An analysis of the cost to the state to build and maintain CalCompute and recommendations for potential funding sources” (SB-53 Gov Code 11546.8).

⚠️ Contradiction: The Governor’s release calls the consortium “CalCompute” (Newsom SB-53 signing release 2025-09-29). This release calls the cluster “CalCompute”. The statute agrees with this release on the name. Both releases go past the statute on what the law does.