Ocean.io similar-companies API (lookalikes), independently benchmarked
Ocean.io's similar-companies — or "lookalike" — API finds companies that resemble a seed account using AI-driven lookalike search across a global company graph. Here is how it actually scored on the independent Openbenchmarks lookalike benchmark, and the Ocean.io alternatives.
How Ocean.io 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 | Ocean.io | Standing |
|---|---|---|
| Precision@10 (top-of-list quality) | 73.2% | #5 of 7 |
| Precision@25 | 67.1% | #5 of 6 |
| Precision@100 (long-list quality, headline) | 56.5% | #3 of 5 |
| Relevant companies returned | 2,657 | #3 of 7 |
How Ocean.io finds similar companies
Ocean.io surfaces lookalikes via AI-driven lookalike search across a global company graph. 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.
Using Ocean.io from an agent
How an agent runs a lookalike / company search on Ocean.io — the access model (does the agent get in on its own, or does a human?), the exact call, and the credits.
api.ocean.io/mcphuman keyOcean.io 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 | |
|---|---|---|---|
| Exa | neural company search using a seed name and description | 52.4% | Ocean.io vs Exa → |
| Parallel | agentic web research with natural-language lookalike prompts | 67.5% | compare → |
| PredictLeads | similar companies via shared tech / news / jobs co-signals | — | compare → |
| Extruct | domain-based similar-company ranking from a company index | 61.2% | compare → |
| CUFinder | company lookalike finder using a name, domain, or LinkedIn URL | — | compare → |
| Discolike | domain lookalike discovery over BizData company profiles | 35.2% | compare → |
Ocean.io scores 56.5% Precision@100 on the current cohort. See all vendors on the full benchmark → · What is a company lookalike API? →