# Consensus vs Perplexity
_Research & Data Agents · independent comparison_

> Consensus and Perplexity are both commercial research & data agents. GitHub stars don't measure commercial adoption, so weigh them on pricing model, capabilities, and how you want to buy — not on a star count.

## Side by side

**Consensus**
- Freemium · Agent
- [listing](https://agentsearchengine.app/agents/consensus) · [official](https://consensus.app)

**Perplexity**
- Freemium · Agent
- Best for: Fast research answers with citations, plus agentic deep research on demand.
- Avoid if: You need auditable control over sources and retrieval — it is a consumer product.
- [listing](https://agentsearchengine.app/agents/perplexity) · [official](https://perplexity.ai)

## Which to choose

**Choose Consensus if:** AI search engine over 200M+ scientific papers.

**Choose Perplexity if:** Fast research answers with citations, plus agentic deep research on demand.

## FAQ

**What's the main difference between Consensus and Perplexity?**
Both are research & data agents built for a similar job; the differences are subtle — compare them on pricing and delivery model in the table above.

**Is Consensus or Perplexity better?**
Neither is universally better. Consensus is the stronger fit for AI search engine over 200M+ scientific papers; Perplexity for Fast research answers with citations, plus agentic deep research on demand. Use the side-by-side specs to decide by your own constraints.

**Is Consensus or Perplexity free?**
Consensus is free to start (freemium), with paid tiers; Perplexity is free to start (freemium), with paid tiers.

**Which is more popular, Consensus or Perplexity?**
We rank open-source projects by GitHub adoption, but at least one of these is a commercial product and stars don't measure commercial adoption — so compare them on capabilities and pricing instead.

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Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/compare/consensus-vs-perplexity