Mistral AI vs Retell AI
Which Agents AI tool is better in 2026?
Mistral AI
Open and efficient foundation models
Retell AI
Hire your AI call center for sales, support, and appointment scheduling
Side-by-side
Mistral AI leads on both fronts — more capital raised ($6.3B) and a lower entry price than Retell AI.
| Metric | Mistral AI | Retell AI |
|---|---|---|
| Taglinei | Open and efficient foundation models | Hire your AI call center for sales, support, and appointment scheduling |
| Foundedi | 2023 | 2023 |
| HQi | Paris, FR | US |
| Employeesi | 200-500🏆 | 1-10 |
| Neuron scorei | 90🏆 | 60 |
| Total fundingi | $6.3B🏆 | Undisclosed |
| Latest roundi | Debt · Mar 2026 | Seed |
| Valuationi | $13.8B🏆 | — |
| Cheapest paid plani | Pro · $15/mo🏆 | — |
| Free plani | ✓ Free | ✓ Free Trial |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pro · $15/mo | Enterprise · Contact sales |
| Pricing summaryi | 4 published plans | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Mistral AI and Retell AI.
| Capability | Mistral AI | Retell AI |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 3 (Python, JavaScript, TypeScript) | 2 (JavaScript, Python) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✓ | ✗ |
| Active deal | ✓ | ✗ |
🟢 Strengths of Mistral AI
- Has raised more capital ($6.3B vs Undisclosed)
- Higher Neuron score (90 vs 60)
- Verified profile
🔵 Strengths of Retell AI
- Strong in AI Agents
Which should you choose?
Choose Mistral AI if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Mistral AI if you want the most established option — it has raised $6.3B, 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
Mistral La Plateforme free experimentation tier
La Plateforme offers a free experimentation tier with rate-limited access to Mistral Small, Codestral, and embedding models.
Terms: Rate-limited. For evaluation use.
Frequently asked questions
Mistral AI vs Retell AI — which is better?
It depends on your priority. Mistral AI has raised more capital and is the more established option; Retell AI has broader feature depth. See the side-by-side table above.
Is Mistral AI cheaper than Retell AI?
Yes — Mistral AI's cheapest paid plan is Pro · $15/mo, while Retell AI's is Free.
Do Mistral AI and Retell AI offer free plans?
Mistral AI: Yes, has a free plan. Retell AI: Yes, has a free plan.
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