Qdrant vs Selectpdf
Qdrant scores higher on the AgentReady, 58/100 against 47/100. They differ on 6 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.
What each one is
Qdrant. Qdrant is a high-performance vector search engine that helps build AI retrieval systems.
Selectpdf. SelectPdf is a battle-tested HTML to PDF toolkit providing a .NET Library for self-hosted embedding and a REST API for any language.
Where Qdrant is ahead
Qdrant passes mcp discoverable, and Selectpdf 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. Selectpdf misses it.
And on adopt, no mandatory sales call, cli available and mcp integration available. Selectpdf misses those.
Where Selectpdf is ahead
Selectpdf passes public docs discoverable, and Qdrant does not. That is discover, whether an agent can find the product at all without being told it exists.
What neither does
Both fail llms-full.txt / full agent docs, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, agent-compatible signup flow, programmatic credential creation, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, 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. Both sit at 80/100 here. Qdrant misses public docs discoverable, llms-full.txt / full agent docs; Selectpdf misses llms-full.txt / full agent docs, mcp discoverable.
Understand. Qdrant leads 46 to 31. Qdrant misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Selectpdf misses structured api reference, openapi / spec quality, 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. Qdrant leads 80 to 52. Qdrant misses agent-compatible signup flow, programmatic credential creation; Selectpdf misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, cli available, mcp integration available.
Operate. Both sit at 24/100 here. Qdrant misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified; Selectpdf misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified.
Pricing
Qdrant does not publish a machine-readable starting price and has a free tier. Selectpdf starts at $19/mo and has a free tier.
| Qdrant plans | Selectpdf plans |
|---|---|
| Free Tier Free forever | Free trial $0 |
| Standard Tier Usage-based pricing | Community Edition $0 |
| Premium Tier Minimum spend required | Online API plans $19–$449/mo |
| Hybrid Cloud Custom | .NET Library from $499 |
| Private Cloud Custom | - |
Signal by signal
| Signal | Qdrant | Selectpdf |
|---|---|---|
| AgentReady | 58 | 47 |
| Discovery | 80 | 80 |
| Understanding | 46 | 31 |
| Adoption | 80 | 52 |
| Operability | 24 | 24 |
| Public API | Yes | Yes |
| MCP server | Yes | No |
| OpenAPI spec | Yes | No |
| CLI | Yes | No |
| llms.txt | Yes | Yes |
| Self-serve signup | Yes | Yes |
| Free tier | Yes | Yes |
Which to pick
Qdrant clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Qdrant and Selectpdf. Alternatives to each: Qdrant, Selectpdf.
An agent can fetch this as data: POST /v1/compare {"slugs": ["qdrant", "selectpdf"]}