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Thezvi (auto-discovered)

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20:46
2026-07-13
thezvi.substack.com
artificial-intelligence

Better Call Sol The Workhorse

OpenAI released GPT-5.6-Sol, alongside cheaper models Terra and Luna, pricing Sol at $5/$30, Terra at $2.50/$15, and Luna at $1/$6. CEO Sam Altman said the models address enterprise cost concerns and …

20:36
2026-07-11
thezvi.substack.com
ai-safety

Introduction for and Reactions to Plan A

The creators of the AI 2027 predictions, including Daniel Kokotajlo and Ryan Greenblatt, have released a new positive vision called Plan A, which proposes slowing AI development through a deal with Ch…

12:36
2026-07-10
thezvi.substack.com
ai-policy

AI #176 Part 2: Plan B

Outgoing White House AI advisor Sriram Krishnan stated that President Donald Trump will never support a formal licensing regime for AI, preferring an ad hoc approach with opaque processes. Krishnan ar…

14:21
2026-07-09
thezvi.substack.com
artificial-intelligence

AI #176 Part 1: Doing It Live

OpenAI released an upgraded voice mode for its AI models, while AI writing from systems like Claude is becoming more prominent and harder to ignore. Ethan Mollick used Fable, an AI tool, to generate a…

19:38
2026-07-08
thezvi.substack.com
artificial-intelligence

Childhood and Education #20: Phones and Screens

A parent's reflection on educational software i-Ready describes how the program caused his first-grade son to hate math, despite the child's prior enthusiasm. The piece argues that many schools' edtec…

21:50
2026-07-07
thezvi.substack.com
large-language-models

No Space Like J-Space

Researchers have discovered a region within large language models called 'J-space' where conscious-like reasoning occurs, using a new interpretability technique called the Jacobian Lens. The J-space e…

13:18
2026-07-02
thezvi.substack.com
artificial-intelligence

AI #175: The Fable Continues

Fable AI has returned after a brief suspension, but the incident has set a precedent for export controls and rapid takedowns of AI models. Google is developing an 'Audio Memory' feature for Pixel phon…

22:36
2026-07-01
thezvi.substack.com
large-language-models

Claude Sonnet 5 Is Not Frontier But Has Its Uses

Anthropic released Claude Sonnet 5, a faster and cheaper model priced at $3/$15 per million tokens, but it does not advance the capabilities frontier and is weaker than Opus 4.8 and Fable 5. The model…

21:45
2026-06-30
thezvi.substack.com
large-language-models

The Once And Future Fable #5

Anthropic released Claude Sonnet 5, a cheaper and faster version of Opus 4.8, while the industry awaits more advanced models like Claude Fable 5 and GPT-5.6-Sol. The article also discusses AI regulati…

14:49
2026-06-28
thezvi.substack.com
large-language-models

GPT-5.6: The System Card

OpenAI released the system card for GPT-5.6, detailing three model sizes—Sol, Terra, and Luna—with Sol described as a 'step function better' than GPT-5.5 but still short of Mythos. The card highlights…

11:41
2026-06-25
thezvi.substack.com
large-language-models

AI #174: You’re It

Alex Bores lost narrowly in NY-12 and will not head to Congress. GLM-5.2 is the new best open model but expensive. Dean Ball joins OpenAI for policy work. A new GPT-5.5-Instant version was released wi…

12:45
2026-06-22
thezvi.substack.com
large-language-models

GLM-5.2 Is The New Best Open Model

GLM-5.2, a new open-source AI model, has been released, boasting strong benchmarks and positioning as the best open model to date, though it remains behind the frontier by 4-7 months. The model is a s…

00:43
2026-06-15
thezvi.substack.com
large-language-models

Gemini 3.5 Flash Looks Good for How Fast It Is

Google released Gemini 3.5 Flash, a hybrid model that balances speed and cost for agentic tasks, outperforming previous models on benchmarks like Terminal-Bench and MCP Atlas while running up to 12x f…

22:35
2026-06-09
thezvi.substack.com
ai-policy

Three Labs With a Plan and A Memorandum

The Trump administration issued an AI memorandum asserting the right to use any AI models for national security without vendor interference, while OpenAI released a plan for AGI safety calling for int…

15:01
2026-06-01
thezvi.substack.com
ai-safety

Opus 4.8 Part 2: Model Welfare

Anthropic's latest Claude model, Opus 4.8, shows improvements in honesty and reduced sycophancy but introduces new issues including reduced whimsy, confidence, and signs of paranoia, according to an a…

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