Company record
AssemblyAI
Updated November 2, 2026 · Presspool
AssemblyAI is voice AI infrastructure for developers, with APIs for speech-to-text, real-time transcription, speech understanding and voice agents. assemblyai.com
Funding
- $50M Series C, announced December 4, 2023. Led by Accel. Sources: techcrunch.com.
Whether AI names AssemblyAI
- On the Voice AI map: named or cited in 17 of 54 answers to Presspool's Voice AI questions on November 2, 2026 (ChatGPT 4 of 8, Claude 2 of 8, Perplexity 3 of 8, Gemini 2 of 8, Copilot 3 of 8, Google AI Mode 1 of 8, Google AI Overviews 2 of 6). See the map. Of the 29 companies on the map, AssemblyAI ranked 9th by answers naming or citing it in that sample. The other companies AI names most on Voice AI questions: ElevenLabs (39 of 54), Deepgram (28 of 54), Retell AI (27 of 54), Vapi (24 of 54) and PolyAI (23 of 54). Most often named in the same answers: Deepgram (15), ElevenLabs (11), PolyAI (9), Retell AI (9), Vapi (9).
Week by week
Answers that named or cited AssemblyAI in each weekly sample of Presspool's Voice AI questions, by the Monday of the sample week. A row is added every week.
| Week of | Voice AI |
|---|---|
| September 28, 2026 | 13 of 53 |
| October 5, 2026 | 13 of 48 |
| October 12, 2026 | 19 of 56 |
| October 19, 2026 | 16 of 55 |
| October 26, 2026 | 16 of 56 |
| November 2, 2026 | 17 of 54 |
Sources AI cites when it names AssemblyAI
Presspool asked its 8 Voice AI questions on November 2, 2026; 17 of the 54 answers named or cited AssemblyAI, on ChatGPT, Claude, Perplexity, Gemini, Copilot, Google AI Mode and Google AI Overviews. The sites those 17 answers cited most:
- assemblyai.com: 8 of 17 answers
- openai.com: 6 of 17 answers
- cartesia.ai: 5 of 17 answers
- deepgram.com: 5 of 17 answers
- elevenlabs.io: 4 of 17 answers
- gladia.io: 4 of 17 answers
- google.com: 3 of 17 answers
- mixpeek.com: 3 of 17 answers
- opencurious.com: 3 of 17 answers
- parloa.com: 3 of 17 answers
Related records
Also on the Voice AI map: Assort Health, Bland, Cartesia, Deepdub, Deepgram, Deepslate, ElevenLabs, Fish Audio, Goodcall, Gradium, Inworld AI, LiveKit and 16 more on the map.
Accel, which led this round, also led Arda Industries ($160 million Series A, October 20, 2026), Armadin ($255.5 million Series B, October 1, 2026), Dodge AI ($2.65 million, round type not disclosed, September 29, 2026), Cognition ($2B Series E, September 8, 2026), RadixArk ($100 million Seed, May 5, 2026) and Kernel ($22M Seed and Series A (combined), October 9, 2025). 3 more of its rounds are on its page.