Compare

Better Auth vs Speakeasy

Speakeasy scores higher on the AgentReady, 64/100 against 57/100. They differ on 11 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Better Auth. A framework-agnostic, universal authentication and authorization framework for TypeScript.

Speakeasy. Speakeasy is an AI control plane platform for securely scaling enterprise AI.

Where Better Auth is ahead

Better Auth passes search discoverable, and Speakeasy does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: limits / constraints documented. Speakeasy misses it.

And on adopt, self-service signup and cli available. Speakeasy misses those.

Where Speakeasy is ahead

Speakeasy passes clear canonical domain and llms-full.txt / full agent docs, and Better Auth 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 copyable quickstart. Better Auth misses those.

And on operate, structured, predictable output, observable execution and agent compatibility verified. Better Auth misses those.

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, fast time to first request, 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. Both sit at 87/100 here. Better Auth misses clear canonical domain, llms-full.txt / full agent docs; Speakeasy misses search discoverable.

Understand. Better Auth leads 54 to 46. Better Auth misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented; Speakeasy misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Better Auth leads 62 to 55. Better Auth misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, fast time to first request, copyable quickstart; Speakeasy misses self-service signup, no mandatory sales call, programmatic credential creation, fast time to first request, cli available.

Operate is whether an agent can run against it in production and recover when a call fails. Speakeasy leads 67 to 24. Better Auth misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified; Speakeasy misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable.

Pricing

Better Auth starts at $0/month and has a free tier. Speakeasy does not publish one with no free tier.

Signal by signal

Which to pick

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

An agent can fetch this as data: POST /v1/compare {"slugs": ["better-auth", "speakeasy"]}