OpenAI Agent Builder is closing: where to move

A self-serve AI agent builder where small businesses hire AI agents that learn the business and send every piece of work for approval.

Best for: Small-business owners who want ready-to-work AI employees for content, social, leads and reviews without building workflows.

+ Chat-first: you brief an agent like a new hire, no workflow canvas − No free plan

An AI assistant platform that connects to your work tools and runs tasks and scheduled routines on your behalf.

Best for: Individuals and small teams who want an assistant that acts across email, calendar, Slack and other tools without building workflows.

+ Lets you choose a model per task; says most major models are available − Billing is per active user plus credit usage, so cost scales with seats and activity

A platform for building an 'AI workforce' of agents and tools, now sold as an enterprise plan.

Best for: Mid-size and larger companies building multi-agent workforces with sales-led onboarding.

+ Unlimited agents, tools, users and projects on Enterprise − No self-serve or published price on the pricing page

An AI agent platform for building agents that work across your tools, with a company knowledge base and team collaboration.

Best for: Teams in operations, marketing and sales that want to build their own agents across many connectors.

+ 35+ models with bring-your-own API keys − Credit-based usage plus an 8% orchestration fee

Zapier's automation platform plus AI agents that act across its app integrations.

Best for: Small businesses already using Zapier that want agents to act across the apps they connect.

+ Free plan includes agents (400 activities/mo) − Separate meters (tasks, activities, chatbot add-on) can make costs harder to predict

An enterprise platform for building AI agents and workflows with compliance controls.

Best for: Regulated or larger organizations that need governed AI agents with dedicated support.

+ Free plan to try the builder − No self-serve paid plan between Free and Enterprise

A platform for building, testing and improving chat and voice AI agents for customer conversations.

Best for: Teams and agencies building customer-facing chat or voice agents that need testing and analytics.

+ Studio builder plus testing (Rehearsal) and analytics (Prism) − No published price for businesses

A platform for building AI chat agents for websites and messaging channels.

Best for: Businesses deploying customer-facing chat agents across web and messaging channels.

+ Free plan with 3 agents − Billed by conversation volume, so costs rise with traffic