AssemblyAI vs Bolna
Which Agents AI tool is better in 2026?
AssemblyAI
AI models for accurate speech recognition
Bolna
Voice AI orchestration for Indian-language calling agents
Side-by-side
AssemblyAI leads on both fronts — more capital raised ($78M) and a lower entry price than Bolna.
| Metric | AssemblyAI | Bolna |
|---|---|---|
| Taglinei | AI models for accurate speech recognition | Voice AI orchestration for Indian-language calling agents |
| Foundedi | 2017🏆 | 2024 |
| HQi | San Francisco, US | Bengaluru, IN |
| Employeesi | 100-200 | 11-50🏆 |
| Neuron scorei | 48 | 68🏆 |
| Total fundingi | $78M🏆 | $6.3M |
| Latest roundi | Series B · Sep 2022 | Seed · Jan 2026 |
| Valuationi | $500M🏆 | — |
| Cheapest paid plani | —🏆 | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Custom / Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 2 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for AssemblyAI and Bolna.
| Capability | AssemblyAI | Bolna |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 7 (Python, TypeScript, JavaScript, Go…) | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of AssemblyAI
- Has raised more capital ($78M vs $6.3M)
- More mature (2017)
- Verified profile
🔵 Strengths of Bolna
- Higher Neuron score (68 vs 48)
- Offers a free plan
- Offers a free trial
- Newer company (2024)
Which should you choose?
Choose AssemblyAI if price matters most — it starts at Freemium, 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 AssemblyAI if you want the most established option — it has raised $78M, 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
AssemblyAI vs Bolna — which is better?
It depends on your priority. AssemblyAI has raised more capital and is the more established option; Bolna has broader feature depth. See the side-by-side table above.
Is AssemblyAI cheaper than Bolna?
Yes — AssemblyAI's cheapest paid plan is Freemium, while Bolna's is Free.
Do AssemblyAI and Bolna offer free plans?
AssemblyAI: Paid only. Bolna: Yes, has a free plan.
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