Galileo vs Unkey
Galileo scores higher on the AgentReady, 57/100 against 56/100. 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
Galileo. Galileo is the AI observability and eval engineering platform where offline evals become production guardrails.
Unkey. Unkey is a developer platform for modern APIs that unifies infrastructure, allowing developers to deploy APIs instantly, route traffic through global gateways, and understand usage in one place.
Where Galileo is ahead
Galileo passes llms-full.txt / full agent docs and mcp discoverable, and Unkey does not. That is discover, whether an agent can find the product at all without being told it exists.
It also holds adopt: agent-compatible signup flow and mcp integration available. Unkey misses those.
And on operate, structured, predictable output and agent compatibility verified. Unkey misses those.
Where Unkey is ahead
Unkey passes clear product positioning, and Galileo does not. That is discover, whether an agent can find the product at all without being told it exists.
It also holds understand: structured api reference and pricing understandable. Galileo misses those.
And on adopt, self-service signup, free trial or free allowance and fast time to first request. Galileo misses those.
Finally, on operate, observable execution. Galileo misses it.
What neither does
Both fail openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, no mandatory sales call, programmatic credential creation, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable. 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. Galileo leads 87 to 80. Galileo misses clear product positioning; Unkey misses llms-full.txt / full agent docs, mcp discoverable.
Understand is whether an agent can read the docs and work out how the API behaves before calling it. Unkey leads 54 to 31. Galileo misses structured api reference, openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented; Unkey misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.
Adopt. Both sit at 55/100 here. Galileo misses self-service signup, no mandatory sales call, programmatic credential creation, free trial or free allowance, fast time to first request; Unkey misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, mcp integration available.
Operate. Galileo leads 53 to 35. Galileo misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution; Unkey misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.
Pricing
Galileo does not publish a machine-readable starting price. Unkey starts at $5/mo and has a free tier.
| Galileo plans | Unkey plans |
|---|---|
| - | Starter $5/mo |
| - | Pro $25/mo |
| - | Business Custom |
Signal by signal
| Signal | Galileo | Unkey |
|---|---|---|
| AgentReady | 57 | 56 |
| Discovery | 87 | 80 |
| Understanding | 31 | 54 |
| Adoption | 55 | 55 |
| Operability | 53 | 35 |
| Public API | Yes | Yes |
| MCP server | Yes | No |
| OpenAPI spec | Unknown | Yes |
| CLI | Yes | Yes |
| llms.txt | Yes | Yes |
| Self-serve signup | No | Yes |
| Free tier | Unknown | Yes |
Which to pick
Unkey clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Galileo and Unkey. Alternatives to each: Galileo, Unkey.
An agent can fetch this as data: POST /v1/compare {"slugs": ["galileo", "unkey"]}