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Inngest vs Upstash

Upstash scores higher on the AgentReady, 72/100 against 61/100. They differ on 8 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Inngest. Inngest is an event-driven durable execution platform that allows developers to run fast, reliable code on any platform without managing queues, infrastructure, or state.

Upstash. Serverless data platform providing Redis, Vector database, messaging, workflow orchestration, and secure cloud containers for AI agents.

Where Inngest is ahead

Inngest passes structured api reference, and Upstash 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 operate: idempotency support. Upstash misses it.

Where Upstash is ahead

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

It also holds understand: authentication documented. Inngest misses it.

And on adopt, no mandatory sales call. Inngest misses it.

Finally, on operate, retry behavior documented, rate-limit behavior predictable and agent compatibility verified. Inngest misses those.

What neither does

Both fail openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, agent-compatible signup flow, programmatic credential creation, structured, predictable output, machine-readable errors. 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. Upstash leads 100 to 87. Inngest misses search discoverable; Upstash misses nothing.

Understand. Inngest leads 46 to 38. Inngest misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented; Upstash misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt. Upstash leads 80 to 70. Inngest misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation; Upstash misses agent-compatible signup flow, programmatic credential creation.

Operate is whether an agent can run against it in production and recover when a call fails. Upstash leads 71 to 41. Inngest misses structured, predictable output, machine-readable errors, retry behavior documented, rate-limit behavior predictable, agent compatibility verified; Upstash misses structured, predictable output, machine-readable errors, idempotency support.

Pricing

Inngest starts at $99/mo and has a free tier. Upstash starts at $0/mo and has a free tier.

Signal by signal

Which to pick

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

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