01.AI vs Perplexity
Which Foundation Models AI tool is better in 2026?
01.AI
Founded by Kai-Fu Lee — maker of the Yi model family.
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 01.AI is cheaper to start.
| Metric | 01.AI | Perplexity |
|---|---|---|
| Taglinei | Founded by Kai-Fu Lee — maker of the Yi model family. | AI-powered answer engine delivering real-time, cited responses to complex queries. |
| Foundedi | 2023 | 2022🏆 |
| HQi | Beijing, CN | San Francisco, US |
| Employeesi | 201-500 | 51-200🏆 |
| Neuron scorei | 65 | 82🏆 |
| Total fundingi | $200M | $2.0B🏆 |
| Latest roundi | Series A · Nov 2023 | Series F · Sep 2025 |
| Valuationi | $1B | $20B🏆 |
| Cheapest paid plani | —🏆 | Pro · $20/mo |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Enterprise LLM Platform · Contact sales | Pro (Annual) · $200/mo |
| Pricing summaryi | 1 published plans | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for 01.AI and Perplexity.
| Capability | 01.AI | Perplexity |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | 1 (Python) | 2 (Python, Node.js) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of 01.AI
- Newer company (2023)
🔵 Strengths of Perplexity
- Has raised more capital ($2.0B vs $200M)
- Higher Neuron score (82 vs 65)
- Offers a free plan
- More mature (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
01.AI vs Perplexity — which is better?
It depends on your priority. 01.AI is the leaner option; Perplexity has broader feature depth. See the side-by-side table above.
Is 01.AI cheaper than Perplexity?
Yes — 01.AI's cheapest paid plan is Freemium, while Perplexity's is Pro · $20/mo.
Do 01.AI and Perplexity offer free plans?
01.AI: Paid only. Perplexity: Yes, has a free plan.
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