OpenFunnel similar-companies API (lookalikes), independently benchmarked
OpenFunnel's similar-companies — or "lookalike" — API finds companies that resemble a seed account using embeddings over a company index. Here is how it actually scored on the independent Openbenchmarks lookalike benchmark, and the OpenFunnel alternatives.
How OpenFunnel scored
Same B2B seed companies as every other vendor; an LLM judge scores each returned company for relevance. See the full methodology and matrix →
| Metric | OpenFunnel | Standing |
|---|---|---|
| Precision@10 (top-of-list quality) | 77.9% | #2 of 5 |
| Precision@50 | 72.8% | #1 of 5 |
| Precision@100 (long-list quality, headline) | 69.8% | #1 of 5 |
| Relevant companies returned | 1,674 | #1 of 5 |
| Cost per relevant company | — | — |
How OpenFunnel finds similar companies
OpenFunnel surfaces lookalikes via embeddings over a company index. On this benchmark every vendor receives the same compact input (company name + domain + a one-line description), which matches how an AI agent would query it. An autonomous agent can obtain a working API key on its own (email OTP). self-serve · email OTP
OpenFunnel alternatives, benchmarked head-to-head
Every alternative below is scored on the same seeds with the same judge — so you can compare relevance directly instead of trusting vendor claims.
| Alternative | How it works | Precision@100 | |
|---|---|---|---|
| Ocean.io | AI-driven lookalike search across a global company graph | 48.6% | OpenFunnel vs Ocean.io → |
| Exa | neural web search with a 'similar to this URL' endpoint | 25.8% | compare → |
| Parallel | an agentic research API; lookalikes via Entity Search | 56.5% | OpenFunnel vs Parallel → |
| PredictLeads | similar companies via shared tech / news / jobs co-signals | 19.4% | compare → |
OpenFunnel scores 69.8% Precision@100 on the current cohort. There is no single overall winner — precision and cost favor different vendors, so pick on the axis that matches your workflow. See all vendors on the full benchmark → · What is a company lookalike API? →