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Helicone vs Portkey

Helicone and Portkey score alike on the AgentReady. 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

Helicone. Helicone is an AI observability platform that helps developers build reliable AI apps by routing, debugging, and analyzing their applications.

Portkey. Portkey is a comprehensive platform designed to streamline and enhance AI integration for developers and organizations.

Where Helicone is ahead

Helicone passes llms-full.txt / full agent docs, and Portkey does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds operate: structured, predictable output and agent compatibility verified. Portkey misses those.

Where Portkey is ahead

Portkey passes clear canonical domain, and Helicone does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: no mandatory sales call, agent-compatible signup flow and cli available. Helicone misses those.

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, fast time to first request, copyable quickstart, 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 93/100 here. Helicone misses clear canonical domain; Portkey misses llms-full.txt / full agent docs.

Understand. Both sit at 38/100 here. Helicone misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented; Portkey misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt. Portkey leads 80 to 55. Helicone misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, fast time to first request, copyable quickstart, cli available; Portkey misses programmatic credential creation, fast time to first request, copyable quickstart.

Operate is whether an agent can run against it in production and recover when a call fails. Helicone leads 65 to 39. Helicone misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable; Portkey misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Helicone starts at $79/mo and has a free tier. Portkey starts at $0/mo and has a free tier.

Helicone plansPortkey plans
Hobby FreeFree $0/mo
Pro $79/mo-
Team $799/mo-
Enterprise Contact us-

Signal by signal

SignalHeliconePortkey
AgentReady6363
Discovery9393
Understanding3838
Adoption5580
Operability6539
Public APIYesYes
MCP serverYesYes
OpenAPI specUnknownUnknown
CLIUnknownYes
llms.txtYesYes
Self-serve signupYesYes
Free tierYesYes

Which to pick

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

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

For AI agents

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