back to company universe
AI infrastructure

Tetra

Tetra uses AI to take notes on phone calls, to help you focus, remember the details, and keep your team in sync.

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
4
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 #3800

Tetra uses AI to take notes on phone calls, to help you focus, remember the details, and keep your team in sync.

source
generated read
High Signal interpretation

Tetra 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
AITetra
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 Tetra

AI infrastructure · 4 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.

Thyme

match 36

There are 300k+ financial advisors in the US using a digital Rolodex to manage their client relationships, and it's time for a makeover. At Thyme we are building the OS for financial advisors that allows them to automatically take notes in meetings (in-person, online, and phone calls), manage their client records with the help of AI, and offer a client portal where clients can track their assets, manage tasks, and even pay for their services. Our users have replaced their legacy CRMs and billing

shared product terms: take, note, phone, call; same category: AI infrastructure; shared affiliation: Y Combinator

Wakemate

match 33

WakeMate makes personalized alarm clocks that sync with both a user's body and their cell phone, enabling the iPhone alarm system to sound at the end of a REM cycle. The application/ wristband system also provides a full sleep analysis on their Analytics Platform. The WakeMate uses a science called actigraphy to analyze your sleep. Actigraphy uses an actigraph (the WakeMate unit) placed on a subject’s wrist to monitor the motion. The motion data is then analyzed to determine sleep patterns and

shared product terms: uses, phone, call, sync; shared affiliation: Y Combinator

Bizzy AI

match 28

Bizzy handles your calls, captures and qualifies leads, and books appointments directly into your CRM. It understands your services better than a receptionist would, routes and escalates calls, and syncs with your existing tools to incorporate complex workflows, all so your team can focus on servicing leads, not qualifying them.

shared product terms: call, focu, sync; same category: AI infrastructure; shared affiliation: Y Combinator

Bland AI

match 20

The enterprise platform for AI phone calls

shared product terms: phone, call; same category: AI infrastructure; shared affiliation: Y Combinator