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Osmosis

SeedFunding signal
osmosis.ai/B2BSan Francisco, 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 Information may be incomplete or outdated — verify independently before making decisions.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 Research may be incomplete, outdated, or incorrect.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, 6:11 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 Research may be incomplete, outdated, or incorrect.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

Osmosis Reinforcement fine-tuning for AI agents.

Funding

Raised $6.3M across 1 funding round. Latest: $6.3M Seed (Oct 2025). Investors: CRV, Audacious Ventures, Paul Graham, Guillermo Rauch. (High).

Quick read

  • •Osmosis Reinforcement fine-tuning for AI agents.
  • •Reported angle: Osmosis Blog | News, Releases & RL Insights for Agentic AI
  • •Indexed activity snapshot: 2 funding‑related row(s), 0 hiring‑related, 0 GitHub‑tagged, 2 product/news‑style — scoring reflects corpus coverage only.

Stage

Seed (YC)

Evidence summary

Verified facts

  • •Osmosis Reinforcement fine-tuning for AI agents.
  • •Reported angle: Osmosis Blog | News, Releases & RL Insights for Agentic AI
  • •Indexed activity snapshot: 2 funding‑related row(s), 0 hiring‑related, 0 GitHub‑tagged, 2 product/news‑style — scoring reflects corpus coverage only.

Recent movers

  • •May 11, 2026 · Blog / news — Osmosis Blog | News, Releases & RL Insights for Agentic AI
  • •May 20, 2026 · vermilioncliffs.substack.com — Why We Backed Osmosis
  • •May 20, 2026 · osmosis.ai — About Osmosis

+1 more in Recent movement below

  • •May 11, 2026 · Blog / news — Osmosis Blog | News, Releases & RL Insights for Agentic AI
  • •May 20, 2026 · vermilioncliffs.substack.com — Why We Backed Osmosis
  • •May 20, 2026 · osmosis.ai — About Osmosis
  • •May 20, 2026 · ycombinator.com — Osmosis | Y Combinator
  • •CRV
  • •Audacious Ventures
  • •Paul Graham
  • •Guillermo Rauch

Funding

Raised $6.3M across 1 funding round. Latest: $6.3M Seed (Oct 2025). Investors: CRV, Audacious Ventures, Paul Graham, Guillermo Rauch. (High).

Hiring

No hiring/careers evidence indexed (Low).

GitHub

No GitHub‑linked evidence indexed (Low).

Product / news

2 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

Osmosis | Y Combinator

W25; real-time learning for deployed agents.

Affected score: yesObserved: May 20, 2026
fundingraised
funding_articleMay 20, 2026Confidence: high

Why We Backed Osmosis

$6.3M seed co-led by CRV and Audacious Ventures; reinforcement learning platform for production AI agents.

Affected score: yesObserved: May 20, 2026Round: SeedAmount: $6.3M
raisedseed
ReferenceJun 11, 2019Confidence: high

Providing supplemental educational videos for healthcare online nets Osmosis $4 million

Affected score: yesObserved: Jun 11, 2019Amount: $4 m
led byfundingraised

Open roles (indexed)

No open roles indexed yet.

Failed or blocked links

  • public_page:_pressnot_found
    Last checked Mon, May 11, 04:37 AM

    HTTP 404

  • public_page:_newsnot_found
    Last checked Mon, May 11, 04:37 AM

    HTTP 404

  • public_page:_jobsnot_found
    Last checked Mon, May 11, 04:37 AM

    HTTP 404

  • public_page:_companynot_found
    Last checked Mon, May 11, 04:37 AM

    HTTP 404

  • public_page:_careersnot_found
    Last checked Mon, May 11, 04:37 AM

    HTTP 404

DealFlow growth score
47.0Moderate public activity signal
7D+0%
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, 04:37 AM
  • public_page:_blogok
    Last checked Mon, May 11, 04:37 AM
  • public_page:_aboutok
    Last checked Mon, May 11, 04:37 AM
  • public_page:_ok
    Last checked Mon, May 11, 04:37 AM
  • public_page:homeok
    Last checked Mon, May 11, 04:37 AM

DealFlow score momentum

477D +030D +0
100500
2026-05-20: 47

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
5
Latest evidence
Wed, May 20, 06:11 PM

Source types found

blogcompany_sitefunding_articlepress

Strongest / recent news-style rows

  • Why We Backed Osmosis

    Wed, May 20, 06:11 PM · confidence 88%high quality

    https://vermilioncliffs.substack.com/p/why-we-backed-osmosis-reinforcement
  • Osmosis | Y Combinator

    Wed, May 20, 06:11 PM · confidence 85%high quality

    https://www.ycombinator.com/companies/osmosis
  • About Osmosis

    Wed, May 20, 06:11 PM · confidence 85%high quality

    https://osmosis.ai/about

Public signal timeline

Newest first · 5 event(s)

1
Wed, May 20, 06:11 PM · funding_article · 85% · verified_publichigh quality

Osmosis | Y Combinator

W25; real-time learning for deployed agents.

Source ↗
2
Wed, May 20, 06:11 PM · funding_article · 88% · verified_publichigh quality

Why We Backed Osmosis

$6.3M seed co-led by CRV and Audacious Ventures; reinforcement learning platform for production AI agents.

Source ↗
3
Wed, May 20, 06:11 PM · press · 85% · verified_publichigh quality

About Osmosis

Lead investors CRV and Audacious; angel backers listed.

Source ↗
4
Wed, May 20, 06:11 PM · company_site · 85% · verified_publichigh quality

Osmosis

Reinforcement fine-tuning for AI agents.

Source ↗
5
Mon, May 11, 04:37 AM · blog · 90% · publichigh quality

Osmosis Blog | News, Releases & RL Insights for Agentic AI

Source: Blog / news

Read the latest from the Osmosis team—reinforcement learning research, tool-use with MCP, small-model fine-tuning, case studies, and product releases to help you build better agentic AI.

Source ↗

Official / company site

1 row(s)

company_site·Wed, May 20, 06:11 PM·Confidence 85%high qualityverified_public

Osmosis

Reinforcement fine-tuning for AI agents.

https://osmosis.ai/

News

1 row(s)

press·Wed, May 20, 06:11 PM·Confidence 85%high qualityverified_public

About Osmosis

Lead investors CRV and Audacious; angel backers listed.

https://osmosis.ai/about

Funding / news

2 row(s)

funding_article·Wed, May 20, 06:11 PM·Confidence 85%high qualityverified_public

Osmosis | Y Combinator

W25; real-time learning for deployed agents.

https://www.ycombinator.com/companies/osmosis
funding_article·Wed, May 20, 06:11 PM·Confidence 88%high qualityverified_public

Why We Backed Osmosis

$6.3M seed co-led by CRV and Audacious Ventures; reinforcement learning platform for production AI agents.

https://vermilioncliffs.substack.com/p/why-we-backed-osmosis-reinforcement

Blog

1 row(s)

blog·Mon, May 11, 04:37 AM·Confidence 90%high qualitypublic

Osmosis Blog | News, Releases & RL Insights for Agentic AI

Source name: Blog / news

Read the latest from the Osmosis team—reinforcement learning research, tool-use with MCP, small-model fine-tuning, case studies, and product releases to help you build better agentic AI.

https://osmosis.ai/blog

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