Particle vs Profound
Which Search AI tool is better in 2026?
Particle
AI-powered news reader from ex-Twitter leaders that summarizes every side of a story
Profound
AI search visibility platform for Answer Engine Optimization across ChatGPT and Perplexity
Side-by-side
Profound is the more established option (raised $151M); pricing is comparable on both sides.
| Metric | Particle | Profound |
|---|---|---|
| Taglinei | AI-powered news reader from ex-Twitter leaders that summarizes every side of a story | AI search visibility platform for Answer Engine Optimization across ChatGPT and Perplexity |
| Foundedi | 2023🏆 | 2024 |
| HQi | San Francisco, United States | New York, US |
| Employeesi | — | 51-200🏆 |
| Neuron scorei | 67 | 73🏆 |
| Total fundingi | $15.3M | $151M🏆 |
| Latest roundi | Series A · Nov 2024 | Series C · Feb 2026 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Particle and Profound.
| Capability | Particle | Profound |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Particle
- More mature (2023)
🔵 Strengths of Profound
- Has raised more capital ($151M vs $15.3M)
- Higher Neuron score (73 vs 67)
- Offers a free trial
- Newer company (2024)
Which should you choose?
Choose Profound if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Search tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Profound if you want the most established option — it has raised $151M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Particle vs Profound — which is better?
It depends on your priority. Particle is the leaner option; Profound has broader feature depth. See the side-by-side table above.
Is Particle cheaper than Profound?
No — Profound's cheapest paid plan is Free, while Particle's is Free.
Do Particle and Profound offer free plans?
Particle: Yes, has a free plan. Profound: Yes, has a free plan.
Explore more AI Search tools
Contextual paths to related AI startups, deals and rankings.