AssemblyAI vs Deepgram
Which Developer Tools AI tool is better in 2026?
AssemblyAI
AI models for accurate speech recognition
Deepgram
Voice AI platform for developers building speech-to-text, text-to-speech, and speech-to-speech products
Side-by-side
| AssemblyAI | Deepgram | |
|---|---|---|
| Tagline | AI models for accurate speech recognition | Voice AI platform for developers building speech-to-text, text-to-speech, and speech-to-speech products |
| Founded | 2017 | 2015 |
| HQ | San Francisco, US | San Francisco, US |
| Employees | 100-200 | 51-200 |
| Total funding | $78M | $109M |
| Latest round | series-b · Sep 2022 | series-c · Jun 2023 |
| Valuation | $500M | $1.3B |
| Cheapest paid plan | — | — |
| Free plan | ✗ | ✓ Free Tier |
| Free trial | ✗ | ✓ |
| Top tier price | Custom / Enterprise · Contact sales | Enterprise · Contact sales |
| Pricing summary | 2 published plans | 2 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for AssemblyAI and Deepgram.
| Capability | AssemblyAI | Deepgram |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 7 (Python, TypeScript, JavaScript, Go…) | 6 (JavaScript, Python, .NET, Go…) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of AssemblyAI
- Newer company (2017)
- Verified profile
🔵 Strengths of Deepgram
- Has raised more capital ($109M vs $78M)
- Higher Neuron score (54 vs 47)
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose Deepgram if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Developer Tools tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Deepgram if you want the most established option — it has raised $109M, 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 Deepgram — which is better?
It depends on your priority. AssemblyAI is the leaner option; Deepgram has broader feature depth. See the side-by-side table above.
Is AssemblyAI cheaper than Deepgram?
No — Deepgram's cheapest paid plan is Free, while AssemblyAI's is Freemium.
Do AssemblyAI and Deepgram offer free plans?
AssemblyAI: Paid only. Deepgram: Yes, has a free plan.
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