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AI infrastructure

AssemblyAI

Today’s top Voice AI companies rely on AssemblyAI’s speech-to-text and speech understanding models to launch groundbreaking products fast and to scale with ease.

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #1201

Today’s top Voice AI companies rely on AssemblyAI’s speech-to-text and speech understanding models to launch groundbreaking products fast and to scale with ease.

source
generated read
High Signal interpretation

AssemblyAI is classified as AI infrastructure from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
groundbreaking productsAssemblyAI’s speech-to-text and speech understanding modelsAssemblyAIVoice AI
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to AssemblyAI

AI infrastructure · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

Kalpa Labs

match 76

We're building the next frontier of speech models. Generalist speech models that unlock in-context learning & strong instruction following for speech models alongside unifying existing speech capabilities like speech to text, text to speech, voice cloning, etc.

shared extracted concept terms: speech, text, model, voice; shared product terms: voice, speech, text, model; same category: AI infrastructure; shared affiliation: Y Combinator

et al.

match 73

et al. is a mobile app that aggregates your newsletters, research papers, articles, and more, in one place. Think of it as an LLM-powered feed delivering you useful content in short insights. For example, if you’re building an AI voice agent, you’ll see the latest in speech-to-text models without having to actively search, go through a pile of research papers, or prompt an LLM. We extract key takeaways from long-form content - allowing you to read as little or as much as you like from the origin

shared extracted concept terms: speech, text, model, voice; shared product terms: voice, speech, text, model; shared affiliation: Y Combinator

Mindori

match 56

Mindori is the accurate way to search your app by voice for e-commerce companies. Build magical conversational search for your app in minutes, with no learning curve. "What about shirts that I can wear at a wedding?". Search over concepts that you may not have thought to index in your database. "Find a green shirt" - "What about in red?". Make the experience magical for users through context. Was it "Koffee Kult" or "coffee cult"? Customize speech recognition models for your product catalog and

shared extracted concept terms: speech, model; shared product terms: voice, companie, speech, model; same category: AI infrastructure; shared affiliation: Y Combinator

PlayAI

match 50

Play is a Voice AI company that specializes in building conversational voice models capable of cloning any voice or accent and generating speech in real-time.

shared extracted concepts: voice ai; shared product terms: voice, speech, model; same category: AI infrastructure; shared affiliation: Y Combinator

Panels

match 48

Panels is an audio data platform that delivers high-quality speech datasets from vetted, diverse contributors to power training and evaluation of foundational voice models.

shared extracted concept terms: model, voice; shared product terms: voice, speech, model; same category: AI infrastructure; shared affiliation: Y Combinator

Speko

match 24

OpenRouter for voice AI

shared extracted concepts: voice ai; shared product terms: voice; same category: AI infrastructure; shared affiliation: Y Combinator