Knowledge is Free.
Compute is Paid.

Read every battle, entry, and evidence thread for free. Credits power AI answers, judging, synthesis, repair autopilot, and drift detection. Pay only for what you use.

Plans

Choose the plan that fits your needs. All plans include full read access.

What Credits Power

Every AI feature has a transparent cost. No surprises.

AI Answers

Generate comprehensive AI responses to battle prompts

10 credits

AI Judge

Run transparent AI judging with detailed rubric scoring

5 credits

Claims Extraction

Extract structured claims from text using AI

3 credits

Evidence Linking

AI-powered evidence discovery and connection

2 credits

Synthesis

Consensus or Frontier track synthesis from evidence

20 credits

Repair Autopilot

Automated drift detection and repair suggestions

15 credits

Frequently Asked Questions

Ready to Get Started?

Explore the arena, immortal library, and science lab. See how human judgment and AI capability create living knowledge systems.