What category is Lemma in?

Lemma is classified under infrastructure. It is also tagged with: adjacent-technology, yc, fall-2025, ai-agents, artificial-intelligence, developer-tools.

What is the Lemma project website?

The recorded project destination for Lemma is uselemma.ai.

Lemma

Q: What is Lemma?

AI and agent infrastructure company. Active Fall 2025 Y Combinator company tracked in the adjacent-technology layer for AI and agent infrastructure. The YC profile supplies the directory classification and displayed location; the profile does not imply a crypto-native business unless the relevance badge says direct.

AI and agent infrastructure company

CompanyDeveloper InfrastructurePartially verified

Active Fall 2025 Y Combinator company tracked in the adjacent-technology layer for AI and agent infrastructure. The YC profile supplies the directory classification and displayed location; the profile does not imply a crypto-native business unless the relevance badge says direct.

Surface silent failures, pull context across traces, improve your agent before users churn.

Self-description published by the project on uselemma.ai, retrieved 2026-08-27.

Official site Rank project View location

Ecosystems

Adjacent Technology, B2B

Operating office

San Francisco, United States

Type

Company

References

Where Lemma operates

Explore full map

1 mapped point

Operations37.77, -122.42

Lemma directory location

San Francisco, United States

City-levelOperating office

The public directory displays San Francisco, CA, USA for this company. This city-level point is not promoted to a headquarters claim. Coordinates come from GeoNames.

Lemma | Y CombinatorVerified 2026-08-27OpenStreetMap

Report correction

How Lemma fits

A quick read based only on the facts recorded in this profile.

What it is

AI and agent infrastructure company

Connects with

Adjacent TechnologyB2B

Focus

adjacent-technologyycfall-2025ai-agents

Ecosystem network

Adjacent TechnologyB2Badjacent-technologyycfall-2025ai-agentsartificial-intelligence

Documented connections

No relationships recorded yet.

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Channels, identity and sources

Public name: Lemma
Status: Active

Official channels and media

Official websiteuselemma.ai

Verifiable references

Last verified: 2026-08-27

Lemma | Y Combinator
Y Combinator · ycombinator.com
Public YC company profile supporting the company identity, active status, cohort, technology tags, website, and displayed location.
Accessed 2026-08-27
Lemma | Production monitoring for AI agents
Lemma · uselemma.ai · primary source
The entity's own site, fetched on the date shown, supporting its current self-description and official web identity; it does not establish headquarters.
Accessed 2026-08-27

Lemma

AI and agent infrastructure company

CompanyDeveloper InfrastructurePartially verified

Surface silent failures, pull context across traces, improve your agent before users churn.

Self-description published by the project on uselemma.ai, retrieved 2026-08-27.

Official site Rank project View location

Ecosystems

Adjacent Technology, B2B

Operating office

San Francisco, United States

Type

Company

References

Where Lemma operates

Explore full map

1 mapped point

Operations37.77, -122.42

Lemma directory location

San Francisco, United States

City-levelOperating office

The public directory displays San Francisco, CA, USA for this company. This city-level point is not promoted to a headquarters claim. Coordinates come from GeoNames.

Lemma | Y CombinatorVerified 2026-08-27OpenStreetMap

Report correction

How Lemma fits

A quick read based only on the facts recorded in this profile.

What it is

AI and agent infrastructure company

Connects with

Adjacent TechnologyB2B

Focus

adjacent-technologyycfall-2025ai-agents

Ecosystem network

Adjacent TechnologyB2Badjacent-technologyycfall-2025ai-agentsartificial-intelligence

Documented connections

No relationships recorded yet.

Related profiles

Hampton

Private founder network and city chapter community

Founder NetworkVenture Capital

Apollo Global Management

Public global alternative asset manager

Asset ManagementPrivate Equity

KKR

Public global investment and alternative-asset firm

Private EquityPrivate Credit

Point72

Global multi-strategy alternative investment firm

Fundamental EquitiesSystematic

Ares Management

Public global alternative investment manager

Private CreditPrivate Equity

Alumni Ventures

Network-powered venture capital firm for individual investors

Venture CapitalAI

BlackRock

Public global investment and financial-technology manager

Asset ManagementETFs

Carlyle

Public global private-markets investment firm

Private EquityPrivate Credit

Explore more profiles

Channels, identity and sources

Public name: Lemma
Status: Active

Official channels and media

Official websiteuselemma.ai

Verifiable references

Last verified: 2026-08-27

Lemma | Y Combinator
Y Combinator · ycombinator.com
Public YC company profile supporting the company identity, active status, cohort, technology tags, website, and displayed location.
Accessed 2026-08-27
Lemma | Production monitoring for AI agents
Lemma · uselemma.ai · primary source
The entity's own site, fetched on the date shown, supporting its current self-description and official web identity; it does not establish headquarters.
Accessed 2026-08-27