Compare

Airtop vs Windmill

Airtop scores higher on the AgentReady, 88/100 against 64/100. They differ on 13 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Airtop. Airtop is a platform for building and deploying AI agents that can perform repetitive tasks on your behalf, all running in the cloud.

Windmill. Windmill is a fast, open-source workflow engine and developer platform.

Where Airtop is ahead

Airtop passes openapi / spec quality, authentication documented, request examples provided, response examples provided and errors and status codes documented, and Windmill does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.

It also holds adopt: no mandatory sales call and programmatic credential creation. Windmill misses those.

And on operate, structured, predictable output, machine-readable errors, idempotency support and rate-limit behavior predictable. Windmill misses those.

Where Windmill is ahead

Windmill passes agent-compatible signup flow and cli available, and Airtop does not. That is adopt, whether an agent can get a key and make its first successful call without a human in the loop.

What neither does

Both fail mcp discoverable, mcp integration available, retry behavior documented. If your agent needs any of those, you will be building it yourself either way.

Score, pillar by pillar

The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.

Discover. Both sit at 87/100 here. Airtop misses mcp discoverable; Windmill misses mcp discoverable.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Airtop leads 100 to 46. Airtop misses nothing; Windmill misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented.

Adopt. Airtop leads 70 to 67. Airtop misses agent-compatible signup flow, cli available, mcp integration available; Windmill misses no mandatory sales call, programmatic credential creation, mcp integration available.

Operate. Airtop leads 94 to 56. Airtop misses retry behavior documented; Windmill misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable.

Pricing

Airtop starts at $0/mo and has a free tier. Windmill does not publish one and has a free tier.

Signal by signal

Which to pick

Airtop clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Airtop and Windmill. Alternatives to each: Airtop, Windmill.

An agent can fetch this as data: POST /v1/compare {"slugs": ["airtop", "windmill"]}