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WaveForms AI funding, valuation and investors
End-to-end native audio language models aiming to pass the speech Turing test.
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Funding, valuation & investors
Answer-first snapshotLatest funding
Seed
Amount not disclosed · December 2024
Latest known valuation
Not publicly disclosed
Total disclosed equity funding
Not publicly disclosed
Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.
Current status
private
seed · San Francisco, California
Investors in latest funding
Lead: Andreessen Horowitz
Overview
WaveForms AI develops end-to-end audio language models designed to understand and generate speech natively — rather than chaining separate ASR, LLM, and TTS components. Founded by Alexis Conneau, who co-created OpenAI's GPT-4o advanced voice mode, the company aims for conversational AI that passes a 'speech Turing test.' WaveForms raised seed funding from Andreessen Horowitz announced December 2024.
Why WaveForms AI is interesting
OpenAI GPT-4o voice co-creator Alexis Conneau building audio-native LLMs — a16z seed December 2024 for models that think in sound, not text-first.
Product & use cases
WaveForms builds unified audio LLMs processing speech input and generating speech output in one model stack — targeting lower latency, better prosody, and more natural conversation than cascaded speech pipelines.
- Real-time voice assistants with human-like latency and tone
- Customer service voice agents without robotic TTS artifacts
- Multimodal AI products where speech is primary interface
Key facts
- Seed (Dec 2024): a16z investment — a16z announcement
- Founder Alexis Conneau co-created GPT-4o voice at OpenAI
- Native audio LLM thesis — speech Turing test
Funding history (newest first)
Seed
2024-12Source: https://a16z.com/announcement/investing-in-waveforms-ai
Investors in our directory
Funds linked from WaveForms AI's profile — open a fund page for stage focus and related deal articles.
Competitive landscape
Edge: Conneau's GPT-4o voice pedigree provides talent magnet and technical credibility in a field where few teams have shipped production-grade native audio models at scale.
Native audio LLMs are the next frontier after text LLMs — OpenAI, Google, and startups racing. WaveForms' founder advantage is real but incumbents move fast. a16z seed bets on differentiated architecture before GPT-4o clones commoditize. Commercial path: API licensing to voice-first apps or vertical agents.
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OpenAI Realtime API incumbent
Conneau's former employer; WaveForms competes with ex-colleagues' shipping product.
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ElevenLabs adjacent
Voice synthesis leader; WaveForms targets full audio LLM not just TTS.
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Hume AI direct
Emotional/voice-native AI interfaces; overlapping conversational speech thesis.
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Google DeepMind audio models incumbent
Research-grade native audio; WaveForms startup speed vs. big lab integration cycles.
Notable stories
- Alexis Conneau left OpenAI after helping ship GPT-4o's voice mode to start WaveForms — betting native audio models beat stitched ASR+LLM+TTS pipelines (a16z announcement, 2024).
Industries
Related funding articles
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