AssemblyAI
Voice AI — Speech, Synthesis & Conversation
Last updated · Compiled from public sources with automated enrichment
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Speech-to-text and audio intelligence API platform.
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- Category
- Voice AI — Speech, Synthesis & Conversation
- Founded
- 2017
- Status
- Active
- Open source
- No
- Pricing
- Freemium
- Funding stage
- Series C
- Total raised
- —
- Popularity
- Steady
- Modality
- Audio
- GitHub stars
- —
Relationships
2 of 5 confirmed by two independent sources, 3 under review · 4 backed by a published source.
- DeepgramBoth provide speech-to-text API services.
- RespeecherBoth focus on voice conversion technologies.
- SpeechmaticsSpeechmatics competes with AssemblyAI in speech-to-text APIs.
- VapiBoth offer voice AI development platforms.
- WellSaid LabsBoth provide text-to-speech voice solutions.
References
Published sources supporting the relationships above.
- vapi and assemblyai - Which undefined Platform Is Better in August 2026?
unknown publisher · supports AssemblyAI competes with Vapi
- AssemblyAI vs Vapi: Pricing, Demos, and Features Compared | Morak
unknown publisher · supports AssemblyAI competes with Vapi
- AssemblyAI & Vapi
unknown publisher · supports AssemblyAI competes with Vapi
- Best Speech-to-Speech Voice Agent API in 2026 | AssemblyAI
unknown publisher · supports AssemblyAI competes with Vapi
- AssemblyAI Alternatives 2026: Best Competitors Compared — KHABY AI
unknown publisher · supports AssemblyAI competes with WellSaid Labs
- AssemblyAI vs Deepgram: Which Speech-to-Text API Handles Production Scale?
unknown publisher · supports AssemblyAI competes with Deepgram
- Compare AssemblyAI Speech-to-Text Alternatives
unknown publisher · supports AssemblyAI competes with Deepgram
- Gladia - AssemblyAI vs Deepgram: Best Speech-to-Text API [2026]
unknown publisher · supports AssemblyAI competes with Deepgram
- AssemblyAI vs Deepgram: Accuracy & Speed Compared
unknown publisher · supports AssemblyAI competes with Deepgram
- Deepgram vs Google vs AssemblyAI: 2026 Comparison
unknown publisher · supports AssemblyAI competes with Deepgram
- Speechmatics vs AssemblyAI: Speech-to-Text Comparison (2026)
unknown publisher · supports Speechmatics competes with AssemblyAI
- Speechmatics vs AssemblyAI: Speech-to-Text Comparison (2026)
unknown publisher · supports Speechmatics competes with AssemblyAI
- Gladia - 7 Best AssemblyAI Alternatives for Speech AI in 2026
unknown publisher · supports Speechmatics competes with AssemblyAI
- Deepgram vs Speechmatics vs AssemblyAI: 2026 Guide
unknown publisher · supports Speechmatics competes with AssemblyAI
- Speechmatics vs AssemblyAI | ASR Comparison Guide | Inference Systems
unknown publisher · supports Speechmatics competes with AssemblyAI
News
- AssemblyAI lands $50M to build and serve AI speech models - TechCrunchTechCrunch · 12/4/2023
- Flush with new cash, AssemblyAI looks to grow its AI-as-a-service business - TechCrunchTechCrunch · 7/14/2022
- AssemblyAI snags $28M for all-in-one API to transcribe, summarize and moderate audio - TechCrunchTechCrunch · 3/4/2022
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