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Market data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.
Evidence-bound summary — expand sections for movement, risks, and signals.
Memo snapshot · May 20, 2026, 6:24 PM
What would change this read
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TL;DR
Seed (YC)Lemma — Reliability Platform for AI Agents Observability and continuous learning for production AI agents.
Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).
Funding
Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).
Product / news
2 product/news‑styled row(s); headline risk without filings (High).
Verified facts
Fall 2025 batch; reliability/observability platform with continuous learning for AI agents.
Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.
No open roles indexed yet.
The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.
Lemma:reddit_credentials_not_configured
Source types found
Strongest / recent news-style rows
Wed, May 20, 06:24 PM · confidence 88%high quality
wikipedia · Sun, Jun 28, 09:11 PM · confidence 50%medium quality
wikipedia · Sun, Jun 28, 09:11 PM · confidence 50%medium quality
Newest first · 16 event(s)
Source: Blog
Read our latest insights on AI, prompt engineering, and technology
Source: Homepage
Surface silent failures, pull context across traces, improve your agent before users churn.
Source: official_site
Lemma | Production monitoring for AI agents Lemma What is Lemma? Features Integrations Security Docs Blog Login Book a demo Lemma Book a demo What is Lemma? Features Integrations Security Docs Blog LEM. 1.1 distortion under load LEM. 1.2 state under tilt LEM.…
Source: official_site
Blog | Lemma Lemma What is Lemma? Features Integrations Security Docs Blog Login Book a demo Lemma Book a demo What is Lemma? Features Integrations Security Docs Blog Company Introducing Lemma Jerry Zhang April 24, 2026 Agents How to Choose an Agent Harness i…
Fall 2025 batch; reliability/observability platform with continuous learning for AI agents.
Source: npm_registry
Command-line and terminal UI experience for Lemma
Source: npm_registry
OpenTelemetry-based tracing module for Lemma
Source: hackernews
Source: hackernews
Launch on semantic failure detection and prompt optimization.
3 row(s)
The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.
Surface silent failures, pull context across traces, improve your agent before users churn.
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Lemma | Production monitoring for AI agents Lemma What is Lemma? Features Integrations Security Docs Blog Login Book a demo Lemma Book a demo What is Lemma? Features Integrations Security Docs Blog LEM. 1.1 distortion under load LEM. 1.2 state under tilt LEM.…
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Blog | Lemma Lemma What is Lemma? Features Integrations Security Docs Blog Login Book a demo Lemma Book a demo What is Lemma? Features Integrations Security Docs Blog Company Introducing Lemma Jerry Zhang April 24, 2026 Agents How to Choose an Agent Harness i…
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗3 row(s)
Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗Launch on semantic failure detection and prompt optimization.
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗1 row(s)
Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.
Fall 2025 batch; reliability/observability platform with continuous learning for AI agents.
Why it matters: Funding signal — Pre-Seed per this source; verify against the linked original before relying on it.
Open source ↗5 row(s)
Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.
Official TypeScript SDK for Lemma APIs, optimized around pod-scoped workflows
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Icelandic word form to lemma lookup for browser and Node.js
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Command-line and terminal UI experience for Lemma
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Command-line and terminal UI experience for Lemma
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗OpenTelemetry-based tracing module for Lemma
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗3 row(s)
Social presence and mentions. A soft signal — useful for gauging attention and launch reception, not a substitute for verified traction.
Why it matters: Attention signal — social mention or presence; soft signal of market interest.
Open source ↗Why it matters: Attention signal — social mention or presence; soft signal of market interest.
Open source ↗Why it matters: Attention signal — social mention or presence; soft signal of market interest.
Open source ↗1 row(s)
Company blog and newsletters. Shipping cadence and technical depth of posts hint at product velocity and team quality.
Read our latest insights on AI, prompt engineering, and technology
Why it matters: Company publishing — post cadence and depth hint at product velocity.
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