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Beam vs Modal

Modal scores higher on the AgentReady, 55/100 against 52/100. 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

Beam. Serverless GPU cloud platform for running AI inference, agents, and task queues with sub-second cold starts.

Modal. Modal provides a serverless cloud for engineers and researchers who want to build compute-intensive applications without thinking about infrastructure.

Where Beam is ahead

Beam passes clear canonical domain, and Modal 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. Modal misses it.

And on adopt, fast time to first request and copyable quickstart. Modal misses those.

Where Modal is ahead

Modal passes structured api reference, and Beam 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: no mandatory sales call and agent-compatible signup flow. Beam misses those.

What neither does

Both fail mcp discoverable, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, programmatic credential creation, mcp integration available, 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.

Discover. Beam leads 87 to 80. Beam misses mcp discoverable; Modal misses clear canonical domain, mcp discoverable.

Understand. Modal leads 38 to 31. Beam misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented; Modal misses openapi / spec quality, authentication documented, 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. Modal leads 65 to 55. Beam misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, mcp integration available; Modal misses programmatic credential creation, fast time to first request, copyable quickstart, mcp integration available.

Operate. Both sit at 35/100 here. Beam misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Modal misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Beam starts at $0.0000418/sec and has a free tier. Modal starts at $0/mo and has a free tier.

Signal by signal

Which to pick

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

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