Perplexity vs Thesis
Which Search AI tool is better in 2026?
Perplexity
AI-powered answer engine delivering real-time, cited responses to complex queries.
Thesis
Automate AI research
Side-by-side
Perplexity leads on both fronts — more capital raised ($2.0B) and a lower entry price than Thesis.
| Metric | Perplexity | Thesis |
|---|---|---|
| Taglinei | AI-powered answer engine delivering real-time, cited responses to complex queries. | Automate AI research |
| Foundedi | 2022🏆 | 2025 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 51-200🏆 | 1-10 |
| Neuron scorei | 92🏆 | 44 |
| Total fundingi | $2.0B🏆 | $500K |
| Latest roundi | Series F · Sep 2025 | Seed · Jan 2025 |
| Valuationi | $20B🏆 | — |
| Cheapest paid plani | Pro · $20/mo🏆 | Pricing not disclosed |
| Free plani | ✓ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pro (Annual) · $200/mo | Pricing not disclosed |
| Pricing summaryi | 2 published plans | Pricing not listed |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Perplexity and Thesis.
| Capability | Perplexity | Thesis |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 2 (Python, Node.js) | — |
| Free plan | ✓ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✓ | ✗ |
🟢 Strengths of Perplexity
- Has raised more capital ($2.0B vs $500K)
- Higher Neuron score (92 vs 44)
- Offers a free plan
- More mature (2022)
🔵 Strengths of Thesis
- Newer company (2025)
Which should you choose?
Choose Perplexity 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 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
Perplexity vs Thesis — which is better?
It depends on your priority. Perplexity has raised more capital and is the more established option; Thesis has broader feature depth. See the side-by-side table above.
Is Perplexity cheaper than Thesis?
Yes — Perplexity's cheapest paid plan is Pro · $20/mo, while Thesis's is Pricing not listed.
Do Perplexity and Thesis offer free plans?
Perplexity: Yes, has a free plan. Thesis: Paid only.
Explore more AI Search tools
Contextual paths to related AI startups, deals and rankings.