Open-source tool for running long agent tasks as short, resumable steps. Each step starts a fresh Claude Code, Codex, or OpenCode session using validated saved state instead of the full conversation.
Prices and medians update for the tier you select. Caution: thin market — treat statistics as indicative.
Ranked by how closely each one matches stepbook's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Thin market — few comparable priced products; treat statistics as indicative.