LegalQuants's Substack
LegalQuantsWeekly digest, deep dive and market research produced by the LegalQuants community.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 39 | Founded | 5 months ago | Last Issue | 9 days ago |
| Active | |||||
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legalquants.substack.comLatest Issues
New Series: Question of the Week (Week 29)
Fable 5 launched with no zero-retention option for anyone. The question that lit up our chat: can you touch it on a privileged matter?
LegalQuants · Question of the Week — a weekly read on what our community is figuring out in real time
Legal Quants Weekly Digest — Week 29
June 14, 2026 - June 20, 2026 | ~1,934 messages | ~80 active members
Fable 5 stayed dark, and the room turned grief into method. A week after the June 13 export-control shutdown, members confirmed the loss was real and not nostalgia (“3 da...
Make Your Entire Community Queryable
Notes on building an AI-native community, taking YC’s playbook seriously.
By Jamie Tso, Co-Founder of LegalQuants
Legal Quants Weekly Digest — Week 28
June 7, 2026 - June 13, 2026 | ~1,517 messages | ~68 active members
TL;DR Fable 5 launched, and the community fell hard. Anthropic’s publicly-available Mythos-class model (codenamed Fable 5) appeared in Claude apps and the CLI around June...
Legal Quants Weekly Digest — Week 27
May 31, 2026 - June 6, 2026 | ~955 messages | ~63 active members
TL;DR The solo full-stack AI-native firm became a movement, not an anecdote. A member launched a firm built on the thesis that the way to capture LegalQuant value is to be ne...
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LegalQuants is a vetted community of lawyers operating at the frontier of AI. Every week, our members ship tools, test models, discover workflows and debate what works in practice. We distill that into weekly signal you can't get anywhere else.
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