LightOn vs Perplexity
Which Foundation Models AI tool is better in 2026?
LightOn
The retrieval and document-intelligence API for enterprise AI
Perplexity
AI-powered answer engine delivering real-time, cited responses to complex queries.
Side-by-side
Perplexity is the more established option (raised $2.0B), but LightOn is cheaper to start.
| Metric | LightOn | Perplexity |
|---|---|---|
| Taglinei | The retrieval and document-intelligence API for enterprise AI | AI-powered answer engine delivering real-time, cited responses to complex queries. |
| Foundedi | 2016🏆 | 2022 |
| HQi | Paris, France | San Francisco, US |
| Employeesi | 41 | 51-200🏆 |
| Neuron scorei | 68 | 82🏆 |
| Total fundingi | $12.6M | $2.0B🏆 |
| Latest roundi | IPO · Nov 2024 | Series F · Sep 2025 |
| Valuationi | $66M | $20B🏆 |
| Cheapest paid plani | Pricing not disclosed🏆 | Pro · $20/mo |
| Free plani | ✓ | ✓ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pro (Annual) · $200/mo |
| Pricing summaryi | Free | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for LightOn and Perplexity.
| Capability | LightOn | Perplexity |
|---|---|---|
| MCP support | ✓ | ✓ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | 2 (Python, Node.js) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of LightOn
- Offers a free trial
- More mature (2016)
🔵 Strengths of Perplexity
- Has raised more capital ($2.0B vs $12.6M)
- Higher Neuron score (82 vs 68)
- Newer company (2022)
Which should you choose?
Choose Perplexity if price matters most — it starts at Free, which is friendlier for teams watching burn. Both Foundation Models tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Perplexity if you want the most established option — it has raised $2.0B, 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.
💸 Deals
1 month of Perplexity Pro free for students
Students get one free month of Perplexity Pro — unlimited Pro searches, GPT-5, Claude, and image generation included.
Terms: Requires .edu email verification.
Frequently asked questions
LightOn vs Perplexity — which is better?
It depends on your priority. LightOn is the leaner option; Perplexity has broader feature depth. See the side-by-side table above.
Is LightOn cheaper than Perplexity?
Yes — LightOn's cheapest paid plan is Free, while Perplexity's is Pro · $20/mo.
Do LightOn and Perplexity offer free plans?
LightOn: Yes, has a free plan. Perplexity: Yes, has a free plan.
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