About Astral Codex Ten
A community blog and forum focused on forecasting, rationality, AI safety, and prediction markets as a tool for truth-seeking.
The community at a glance
Astral Codex Ten is an online community for Forecasters with roughly 5K members. It has been around since 2021. It uses a forum format for communication.
Community Features
This community has a forum
Community Reviews
Frequently asked questions
- Who is Astral Codex Ten for?
- Best for Forecasters enthusiasts looking for a an independent setup-based community with forum discussion.
- Is Astral Codex Ten free to join?
- This listing is not marked as paid-only. Access rules and any fees are decided by the community.
- How many members does Astral Codex Ten have?
- Roughly 5K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
- What topics does Astral Codex Ten cover?
- On the Hive Index, Astral Codex Ten is organized under Forecasters.
- How do I join Astral Codex Ten?
- You can join Astral Codex Ten by clicking this link, or pressing the "Go to community" button above.
- What are the Prediction Markets communities like?
- Online communities for forecasting future events, debating prediction markets, and sharpening your probabilistic thinking skills.
Added 10/14/2026
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