Free
per month
- 50 builders
- 1,000 atomic notes
- Basic search
- Community support
The first-hand streams from top AI builders, sending thoughts into your own AI co-pilot knowledge base, to help you think with the top minds of our time and create more value.
500+ top AI builders, 90%+ of ARR>5 million starups, 10,000+ words of interviews and blogs
If you're tired of second-hand news and crave authentic insights, you're in the right place.
AI Professional
You're tired of chasing trends and crave understanding the first principles behind technical decisions. Second-hand analysis can't satisfy your thirst for technical depth.
Founder & Product Leader
Your decisions depend on accurately predicting the future. Relying on market noise for strategy is like navigating with a distorted map, leaving you filled with uncertainty.
Investor & Analyst
Your conviction comes from modeling the ecosystem. But critical insights are scattered and disconnected, making it hard to build a structured cognitive edge.
While enjoying Obsidian's rich plugin ecosystem, elegant interface, and native knowledge graph, you can seamlessly use your favorite AI tools to engage in deep dialogue with your private, trusted, and high-quality ocean of knowledge.
Sourced from first-hand materials and manually reviewed. 100% faithful to the original voices, eliminating second-hand noise. AI-powered summaries and key points for efficient information gathering.
Stored locally as Markdown files with structured metadata. Enables multi-dimensional, database-level queries within your vault. Fully compatible with Obsidian's native Database feature.
Integrates with a rapidly growing ecosystem of Obsidian's AI Copilot plugins. Works with popular AI tools like Cursor, Claude Code, and the Gemini CLI. The local-first design allows for more private and cost-effective AI solutions. Enables active dialogue and co-creation with your primary sources.
A network of connections built upon Obsidian's native backlinking system. A dynamic and visual graph of your intellectual threads. Explore and discover hidden connections between builders' thoughts.
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Real feedback from AI builders using BuilderStream
“Finally, there's a place to read the first-hand thoughts of Sam Altman and Yann LeCun. This is like having a direct line to the minds shaping our future.”
“Understanding the 'Why' behind top-tier products is more important than the 'What'. BuilderStream gives me that context I've been missing.”
“The knowledge graph feature is incredible. I'm discovering connections between ideas that I never would have found otherwise.”