Pricing
Pay for parallelism, not seats
Start a loop for free. Scale up when you want more agents grading attempts at once.
Free
$0forever
For solo experiments and getting a loop running.
Start free- 1 concurrent agent
- 1 active run
- Async grader daemon
- Live leaderboard + diffs
- Community support
Pro
Most popular$49per month
For teams running agents in parallel across tasks.
Start free trial- Up to 16 concurrent agents
- Unlimited runs
- All runtimes (Claude Code, Codex, Cursor…)
- Shared notes + skills across runs
- Heartbeat actions + plateau pivots
- Priority support
Enterprise
Customtalk to us
For self-hosted fleets and custom graders at scale.
Contact sales- Unlimited concurrent agents
- Self-hosted or VPC deployment
- Custom grader entrypoints
- SSO + audit logging
- Dedicated support