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Replicate vs Unkey

Replicate scores higher on the AgentReady, 82/100 against 56/100. They differ on 12 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Replicate. Platform to run and fine-tune AI models, deploy custom models, and generate images, speech, music, and video via API

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 Replicate is ahead

Replicate 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 understand: openapi / spec quality, request examples provided, response examples provided and errors and status codes documented. Unkey misses those.

And on adopt, programmatic credential creation and mcp integration available. Unkey misses those.

Finally, on operate, structured, predictable output and machine-readable errors. Unkey misses those.

Where Unkey is ahead

Unkey passes fast time to first request and copyable quickstart, and Replicate 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 no mandatory sales call, agent-compatible signup flow, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified. 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. Replicate leads 100 to 80. Replicate misses nothing; 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. Replicate leads 100 to 54. Replicate misses nothing; Unkey misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt. Replicate leads 70 to 55. Replicate misses no mandatory sales call, agent-compatible signup flow, fast time to first request, copyable quickstart; Unkey misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, mcp integration available.

Operate. Replicate leads 59 to 35. Replicate misses retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Unkey misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Replicate does not publish a machine-readable starting price and has a free tier. Unkey starts at $5/mo and has a free tier.

Signal by signal

Which to pick

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

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