agent platform

Stack AI alternatives

If Stack AI isn't the right fit, these are the alternatives we'd actually consider — same problem, different trade-offs.

Stack AI

Visual builder for enterprise-grade LLM agents and document workflows.

Starter $199/mo; Enterprise quoted.

Each entry includes the reason it's on this list — the specific trade-off versus Stack AI.

No-code platform for building AI agents that handle email, scheduling, and ops.

Free tier; Pro from $49.99/mo; team plans scale by tasks.

Build, run, and manage AI workforces with a visual builder + APIs.

Free tier; Team from $19/mo; Business from $199/mo.

Open-source framework for orchestrating role-based AI agent teams.

OSS free; Enterprise tier priced per agent run.

Open-source workflow automation with first-class AI agent nodes.

Self-host free; Cloud Starter $24/mo.

Zapier's agent layer on top of 7,000+ app integrations.

Bundled into paid Zapier plans; pay-per-task.