Compare

Auth0 vs SuperTokens

Auth0 scores higher on the AgentReady, 63/100 against 54/100. They differ on 7 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Auth0. Auth0 minimizes drop-off with frictionless experiences and stops fraud behind the scenes, carrying trusted context seamlessly across owned and AI-assisted touchpoints.

SuperTokens. Open source user authentication platform that helps developers build fast, maintain control, and reduce costs.

Where Auth0 is ahead

Auth0 passes limits / constraints documented, and SuperTokens 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: self-service signup, agent-compatible signup flow and fast time to first request. SuperTokens misses those.

And on operate, observable execution. SuperTokens misses it.

Where SuperTokens is ahead

SuperTokens passes pricing understandable, and Auth0 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: free trial or free allowance. Auth0 misses it.

What neither does

Both fail structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, programmatic credential creation, structured, predictable output, machine-readable errors, 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.

Understand. Both sit at 31/100 here. Auth0 misses structured api reference, openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented; SuperTokens misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt is whether an agent can get a key and make its first successful call without a human in the loop. Auth0 leads 85 to 60. Auth0 misses programmatic credential creation, free trial or free allowance; SuperTokens misses self-service signup, agent-compatible signup flow, programmatic credential creation, fast time to first request.

Operate. Auth0 leads 35 to 24. Auth0 misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; SuperTokens misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified.

Pricing

Auth0 does not publish a machine-readable starting price. SuperTokens starts at $0.02/MAU and has a free tier.

Signal by signal

Which to pick

Auth0 clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Auth0 and SuperTokens. Alternatives to each: Auth0, SuperTokens.

An agent can fetch this as data: POST /v1/compare {"slugs": ["auth0", "supertokens"]}