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Moss

SeedFunding signal
www.moss.devB2BSan Mateo, CA, USA
Market index

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 Information may be incomplete or outdated — verify independently before making decisions.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.

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 6:17 PM

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

What they do

Moss | Real-Time Semantic Search for AI Agents Sub-10ms semantic search; browser, on-device, or cloud deployment.

Funding

Raised $500K across 1 funding round. Latest: $500K Seed (Sep 2025). Investors: Y Combinator. (High).

Quick read

  • •Moss | Real-Time Semantic Search for AI Agents Sub-10ms semantic search; browser, on-device, or cloud deployment.
  • •Reported angle: We Spent a Decade Making AI Feel Instant. Here's What We Learned. | Moss Blog
  • •Indexed activity snapshot: 1 funding‑related row(s), 0 hiring‑related, 2 GitHub‑tagged, 5 product/news‑style — scoring reflects corpus coverage only.

Stage

Seed (YC)

Evidence summary

Verified facts

  • •Moss | Real-Time Semantic Search for AI Agents Sub-10ms semantic search; browser, on-device, or cloud deployment.
  • •Reported angle: We Spent a Decade Making AI Feel Instant. Here's What We Learned. | Moss Blog
  • •Indexed activity snapshot: 1 funding‑related row(s), 0 hiring‑related, 2 GitHub‑tagged, 5 product/news‑style — scoring reflects corpus coverage only.

Recent movers

  • •May 11, 2026 · Blog / news — We Spent a Decade Making AI Feel Instant. Here's What We Learned. | Moss Blog
  • •May 11, 2026 · Blog / news — The Retrieval Latency Tax: Why Your AI Agent Feels Slow (And It's Not the LLM) | Moss Blog
  • •May 11, 2026 · Blog / news — What Happens When You Remove the Network Hop from RAG | Moss Blog

+5 more in Recent movement below

  • •May 11, 2026 · Blog / news — We Spent a Decade Making AI Feel Instant. Here's What We Learned. | Moss Blog
  • •May 11, 2026 · Blog / news — The Retrieval Latency Tax: Why Your AI Agent Feels Slow (And It's Not the LLM) | Moss Blog
  • •May 11, 2026 · Blog / news — What Happens When You Remove the Network Hop from RAG | Moss Blog
  • •May 11, 2026 · Blog / news — Blog | Moss
  • •May 20, 2026 · ycombinator.com — Moss | Y Combinator
  • •May 11, 2026 · GitHub (linked from site) — GitHub - usemoss/moss: Official Repo of Moss · GitHub
  • •May 11, 2026 · GitHub (linked from site) — Moss · GitHub
  • •May 20, 2026 · ycombinator.com — Launch YC: Moss
  • •Y Combinator

Funding

Raised $500K across 1 funding round. Latest: $500K Seed (Sep 2025). Investors: Y Combinator. (High).

Hiring

No hiring/careers evidence indexed (Low).

GitHub

2 GitHub‑linked row(s) (High).

Product / news

5 product/news‑styled row(s); headline risk without filings (High).

Traffic / social

No traffic/social evidence indexed (Low).

Funding & hiring signals

funding_articleMay 20, 2026Confidence: high

Moss | Y Combinator

Fall 2025 batch; sub-10ms semantic search runtime for AI agents and voice copilots.

Affected score: yesObserved: May 20, 2026Round: Seed
raisedseed
ReferenceJan 21, 2022Confidence: high

European spend management platform Moss raises $86 million

Affected score: yesObserved: Jan 21, 2022Round: series bAmount: $86 m
series bfunding roundfundingraises
ReferenceJan 15, 2021Confidence: high

Corporate credit card platform Moss raises $25.5 million

Affected score: yesObserved: Jan 15, 2021Amount: $25.5 m
funding roundled byfundingraisesraised

Open roles (indexed)

No open roles indexed yet.

Failed or blocked links

  • public_page:_pressnot_found
    Last checked Mon, May 11, 04:49 AM

    HTTP 404

  • public_page:_newsnot_found
    Last checked Mon, May 11, 04:49 AM

    HTTP 404

  • public_page:_jobsnot_found
    Last checked Mon, May 11, 04:49 AM

    HTTP 404

  • public_page:_companynot_found
    Last checked Mon, May 11, 04:49 AM

    HTTP 404

  • public_page:_careersnot_found
    Last checked Mon, May 11, 04:49 AM

    HTTP 404

  • public_page:_aboutnot_found
    Last checked Mon, May 11, 04:49 AM

    HTTP 404

  • public_page:customersnot_found
    Last checked Sun, May 10, 11:03 PM

    HTTP 404

  • public_page:pressnot_found
    Last checked Sun, May 10, 11:03 PM

    HTTP 404

  • public_page:newsnot_found
    Last checked Sun, May 10, 11:03 PM

    HTTP 404

  • public_page:jobsnot_found
    Last checked Sun, May 10, 11:03 PM

    HTTP 404

  • public_page:careersnot_found
    Last checked Sun, May 10, 11:03 PM

    HTTP 404

  • public_page:teamnot_found
    Last checked Sun, May 10, 11:03 PM

    HTTP 404

DealFlow growth score
50.0Moderate public activity signal
7D-27%
30D+0%
Needs Review

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Source health

  • public_market_enrichmentok
    Last checked Mon, May 11, 04:49 AM
  • public_page:_blog_we-spent-a-decade-making-ai-feel-instantok
    Last checked Mon, May 11, 04:49 AM
  • public_page:_blog_retrieval-latency-taxok
    Last checked Mon, May 11, 04:49 AM
  • public_page:_blog_remove-the-network-hopok
    Last checked Mon, May 11, 04:49 AM
  • public_page:_blogok
    Last checked Mon, May 11, 04:49 AM
  • public_page:_ok
    Last checked Mon, May 11, 04:49 AM
  • public_page:homeok
    Last checked Mon, May 11, 04:49 AM
  • public_page:pricingok
    Last checked Sun, May 10, 11:03 PM
  • public_page:blogok
    Last checked Sun, May 10, 11:03 PM

DealFlow score momentum

507D -2730D +0
100500
2026-05-20: 50

More runs will build history.

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows
10
Latest evidence
Wed, May 20, 06:17 PM

Source types found

blogcompany_sitefunding_articlegithubpressproduct

Strongest / recent news-style rows

  • Moss | Y Combinator

    Wed, May 20, 06:17 PM · confidence 88%high quality

    https://www.ycombinator.com/companies/moss

  • Pricing | Moss

    Pricing · Sun, May 10, 11:02 PM · confidence 90%high quality

    https://www.moss.dev/pricing

  • Launch YC: Moss

    Wed, May 20, 06:17 PM · confidence 85%medium quality

    https://www.ycombinator.com/launches/Oiq-moss-real-time-semantic-search-for-conversational-ai

Public signal timeline

Newest first · 10 event(s)

1
Wed, May 20, 06:17 PM · funding_article · 88% · verified_publichigh quality

Moss | Y Combinator

Fall 2025 batch; sub-10ms semantic search runtime for AI agents and voice copilots.

Source ↗
2
Wed, May 20, 06:17 PM · company_site · 85% · verified_publichigh quality

Moss | Real-Time Semantic Search for AI Agents

Sub-10ms semantic search; browser, on-device, or cloud deployment.

Source ↗
3
Mon, May 11, 04:49 AM · github · 72% · verified_publichigh quality

GitHub - usemoss/moss: Official Repo of Moss · GitHub

Source: GitHub (linked from site)

GitHub presence linked from official site for Moss.

Source ↗
4
Mon, May 11, 04:49 AM · github · 72% · verified_publichigh quality

Moss · GitHub

Source: GitHub (linked from site)

GitHub presence linked from official site for Moss.

Source ↗
5
Mon, May 11, 04:49 AM · blog · 90% · publichigh quality

We Spent a Decade Making AI Feel Instant. Here's What We Learned. | Moss Blog

Source: Blog / news

The founders of Moss share why they left Microsoft and Grammarly to build the real-time retrieval runtime, and why the future of conversational AI depends on killing latency at the source.

Source ↗
6
Mon, May 11, 04:49 AM · blog · 90% · publichigh quality

The Retrieval Latency Tax: Why Your AI Agent Feels Slow (And It's Not the LLM) | Moss Blog

Source: Blog / news

Everyone blames the model. But in real-time AI, the real bottleneck is retrieval. Here's the data that proves it, and what it means for the next generation of AI applications.

Source ↗
7
Mon, May 11, 04:49 AM · blog · 90% · publichigh quality

What Happens When You Remove the Network Hop from RAG | Moss Blog

Source: Blog / news

We profiled a production RAG pipeline before and after eliminating the retrieval network round-trip. The results explain why your AI agent feels slower than it should.

Source ↗
8
Mon, May 11, 04:49 AM · blog · 90% · publichigh quality

Blog | Moss

Source: Blog / news

Insights, tutorials, and updates from the Moss team on real-time semantic search, AI agents, voice AI, and retrieval-augmented generation.

Source ↗
9
Sun, May 10, 11:02 PM · product · 90% · publichigh quality

Pricing | Moss

Source: Pricing

Moss pricing plans for semantic search. Start free with $5/month credits, scale to Hobbyist ($30/mo), Start-up ($200/mo), or Enterprise with custom pricing.

Source ↗
10
Wed, May 20, 06:17 PM · press · 85% · verified_publicmedium quality

Launch YC: Moss

Real-time semantic search for conversational AI.

Source ↗

Official / company site

1 row(s)

company_site·Wed, May 20, 06:17 PM·Confidence 85%high qualityverified_public

Moss | Real-Time Semantic Search for AI Agents

Sub-10ms semantic search; browser, on-device, or cloud deployment.

https://www.moss.dev/

News

2 row(s)

product·Sun, May 10, 11:02 PM·Confidence 90%high qualitypublic

Pricing | Moss

Source name: Pricing

Moss pricing plans for semantic search. Start free with $5/month credits, scale to Hobbyist ($30/mo), Start-up ($200/mo), or Enterprise with custom pricing.

https://www.moss.dev/pricing
press·Wed, May 20, 06:17 PM·Confidence 85%medium qualityverified_public

Launch YC: Moss

Real-time semantic search for conversational AI.

https://www.ycombinator.com/launches/Oiq-moss-real-time-semantic-search-for-conversational-ai

Funding / news

1 row(s)

funding_article·Wed, May 20, 06:17 PM·Confidence 88%high qualityverified_public

Moss | Y Combinator

Fall 2025 batch; sub-10ms semantic search runtime for AI agents and voice copilots.

https://www.ycombinator.com/companies/moss

GitHub

2 row(s)

github·Mon, May 11, 04:49 AM·Confidence 72%high qualityverified_public

GitHub - usemoss/moss: Official Repo of Moss · GitHub

Source name: GitHub (linked from site)

GitHub presence linked from official site for Moss.

https://github.com/usemoss/moss
github·Mon, May 11, 04:49 AM·Confidence 72%high qualityverified_public

Moss · GitHub

Source name: GitHub (linked from site)

GitHub presence linked from official site for Moss.

https://github.com/usemoss

Blog

4 row(s)

blog·Mon, May 11, 04:49 AM·Confidence 90%high qualitypublic

We Spent a Decade Making AI Feel Instant. Here's What We Learned. | Moss Blog

Source name: Blog / news

The founders of Moss share why they left Microsoft and Grammarly to build the real-time retrieval runtime, and why the future of conversational AI depends on killing latency at the source.

https://www.moss.dev/blog/we-spent-a-decade-making-ai-feel-instant
blog·Mon, May 11, 04:49 AM·Confidence 90%high qualitypublic

The Retrieval Latency Tax: Why Your AI Agent Feels Slow (And It's Not the LLM) | Moss Blog

Source name: Blog / news

Everyone blames the model. But in real-time AI, the real bottleneck is retrieval. Here's the data that proves it, and what it means for the next generation of AI applications.

https://www.moss.dev/blog/retrieval-latency-tax
blog·Mon, May 11, 04:49 AM·Confidence 90%high qualitypublic

What Happens When You Remove the Network Hop from RAG | Moss Blog

Source name: Blog / news

We profiled a production RAG pipeline before and after eliminating the retrieval network round-trip. The results explain why your AI agent feels slower than it should.

https://www.moss.dev/blog/remove-the-network-hop
blog·Mon, May 11, 04:49 AM·Confidence 90%high qualitypublic

Blog | Moss

Source name: Blog / news

Insights, tutorials, and updates from the Moss team on real-time semantic search, AI agents, voice AI, and retrieval-augmented generation.

https://www.moss.dev/blog

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