List prices from each provider's public pricing page, retrieved September 22, 2026: docs.getsolari.com/pricing · browserbase.com/pricing · steel.dev/pricing. Bill = monthly fee + usage beyond what the fee includes, at list rates; one-time credits not counted. "Over plan limit" means the plan cannot buy that many hours. Proxies, captchas, storage, and taxes excluded. Kernel bills per second: $0.06 / hr headless, $0.48 / hr headful, standby free. Hyperbrowser bills 100 credits per browser-hour at $0.001 per credit; Scale credits are not published and are assumed equal to the fee. Steel Launch's $30 is a one-time credit. Browserbase Developer includes 100 hours and Startup 500 hours, valued at their overage rate.