Isaacus
AI-nativeHallucination-free legal AI models. Really.
isaacus.com Source★ 8 Discord RedditAI Models & Agents / Model APIs & Gateways
- Monthly visits
- <5K
- Oct 2026
- Public revenue
- Undisclosed
- No public revenue evidence yet
- Entry price
- Usage-based
- No monthly subscription pricing
- Launched
- 21mo ago
- 2025-03-09 · Est.
Traffic
Marketing moves
Launches, search & content, referrals, promotions- 用交互可视化与猜词游戏理解向量嵌入 — 机器学习工程师用交互可视化讲解向量嵌入，并设计含 43,339 个英语词的地图游戏，帮助理解语义空间。
r/LocalLLaMA · u/Neon0asis · 2026-11-05 · 72 upvotes (93%) · 7 comments
Launched on Show HN (2 pts · 1 comments)Launch
What are vector embeddings? An interactive guide — Hey HN, I'm Abdur-Rahman Butler, a machine learning engineer at Isaacus. I made an interactive write-up that walks you through the A to Z…
Oct 14 · 33d agoLaunch page
At the time: 5.1K visits/moVisits: prior 1 mo -55%, next 1 mo -81%17 concurrent movesLaunched on Show HN (4 pts)Launch
I built a Harvey-style tabular review app, then open sourced the code — I spent the past couple of weekends building an open-source alternative to Harvey/Legora's popular tabular review application for lawyers.…
Apr 9 · 7mo agoLaunch page
Launched on Show HN (1 pts)Launch
Isaacus – the legal AI research company — Hey HN, This is Isaacus, a legal AI research company that my brother, Abdur-Rahman Butler, and I, Umar Butler, founded last year and have…
Mar 10 · 8mo agoLaunch page
Launched on Show HN (10 pts · 6 comments)Launch
Kanon 2 Enricher – the first hierarchical graphitization model — Hey HN, This is Kanon 2 Enricher, the first hierarchical graphitization model. It represents an entirely new class of AI models designed t…
Mar 3 · 9mo agoLaunch page
Launched on Show HN (4 pts · 1 comments)Launch
Legal RAG Bench — Hey HN, This is Legal RAG Bench, the first benchmark for legal RAG systems to simultaneously evaluate hallucinations, retrieval failures,…
Feb 20 · 9mo agoLaunch page
Third-party reviews & case dossiers
Acquisition breakdowns, engineer reviews & open-source metrics- Post excerpt:
- Hey HN, Over the past couple months, we, a team of Aussie legal and AI experts, have been working on building a new type of legal AI company — a company that, instead of trying to automate legal jobs, is trying to automate legal tasks. We want to make lawyers’ lives easier, not replace them. We’ve been laser-focused on building small and efficient yet still
- Post excerpt:
- Hey HN, This is Legal RAG Bench, the first benchmark for legal RAG systems to simultaneously evaluate hallucinations, retrieval failures, and reasoning errors. The key takeaways of our benchmark are: 1. Embedding models, not generative models, are the primary driver of RAG accuracy. Switching from a general-purpose embedder like OpenAI's Text Embedding 3 Lar
- Post excerpt:
- Hey HN, This is Kanon 2 Enricher, the first hierarchical graphitization model. It represents an entirely new class of AI models designed to transform document corpora into rich, highly structured knowledge graphs. In brief, our model is capable of: - Entity extraction, classification, and linking: identifying key entities like individuals, companies, governm
- Post excerpt:
- Hey HN, This is Isaacus, a legal AI research company that my brother, Abdur-Rahman Butler, and I, Umar Butler, founded last year and have been working full time on ever since. We make legal AI models. We recently released two state-of-the-art legal information retrieval models, Kanon 2 Embedder and Kanon 2 Reranker. Together, they rank first on Legal RAG Ben
- Post excerpt:
- I spent the past couple of weekends building an open-source alternative to Harvey/Legora's popular tabular review application for lawyers. The project was sparked by a viral LinkedIn post from lawyer Joshua Upin, who described being shown a hallucinated citation by Harvey that was falsely attributed to one of Harvey’s competitors. Seeing such a basic failure
- Post excerpt:
- Hey HN, I'm Abdur-Rahman Butler, a machine learning engineer at Isaacus. I made an interactive write-up that walks you through the A to Z of vector embeddings, inspired by Brendan Bycroft's incredible interactive LLM visualisation guide (see here - https://bbycroft.net/llm ). Most of my work is on encoder models, and I kept noticing how few good interactive
Open Source & Self-Hosting
- GitHub Stars
- ★ 8
- Forks
- —
- License
- See repository
- Primary language
- —
Traffic sources
Traffic breakdown
No traffic channel or country breakdown data for this website yet.
Search
Domain authority —Domain registered Unknown
No search keyword data for this website yet.
Traffic data: Vaneform
Pricing
Trial: None · Enterprise custom tier · Observed 2026-11-09 · Pricing page
Pages & changes
Key pages
Weekly snapshotsChanges
Questions & evidence
- How much does Isaacus cost?
- Pay as you go: Unknown; Advanced: Contact sales. Observed 2026-11-09. Check the source for current billing terms, usage limits and taxes.Source
- How much website traffic does Isaacus get?
- Vaneform estimates <5K website visits in 2026-10. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
- What is Isaacus and what platforms does it support?
- Isaacus is catalogued under Model APIs & Gateways: Hallucination-free legal AI models. Really.. Supported platforms: API.
- Is Isaacus open source?
- Isaacus has a public repository (https://github.com/isaacus-dev/cookbooks) with its source repository published, recording 8 GitHub stars.Source
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