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Deepset vs Lightning

Lightning scores higher on the AgentReady, 57/100 against 44/100. They differ on 12 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Deepset. Deepset is a company that provides Haystack, an open platform to build, run, and govern AI agents and applications.

Lightning. Lightning AI is a platform for building, training and deploying AI models.

Where Deepset is ahead

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

It also holds adopt: mcp integration available. Lightning misses it.

Where Lightning is ahead

Lightning passes clear product positioning, public docs discoverable and llms-full.txt / full agent docs, and Deepset does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: structured api reference and limits / constraints documented. Deepset misses those.

And on adopt, agent-compatible signup flow, fast time to first request, copyable quickstart and official typescript sdk. Deepset misses those.

What neither does

Both fail openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, no mandatory sales call, 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.

Discover. Lightning leads 80 to 67. Deepset misses clear product positioning, public docs discoverable, llms-full.txt / full agent docs; Lightning misses clear canonical domain, mcp discoverable.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Lightning leads 46 to 23. Deepset misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Lightning misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented.

Adopt. Lightning leads 65 to 50. Deepset misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, fast time to first request, copyable quickstart, official typescript sdk; Lightning misses no mandatory sales call, programmatic credential creation, mcp integration available.

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

Pricing

Deepset starts at $0/mo and has a free tier. Lightning starts at $4.50/hr and has a free tier.

Deepset plansLightning plans
Studio $0On-demand H100s $4.50 / hr
Enterprise Custom-

Signal by signal

SignalDeepsetLightning
AgentReady4457
Discovery6780
Understanding2346
Adoption5065
Operability3535
Public APIYesYes
MCP serverYesUnknown
OpenAPI specUnknownYes
CLIYesYes
llms.txtYesYes
Self-serve signupYesYes
Free tierYesYes

Which to pick

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

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