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Attuned

3 viewers · 30d

Total raised

$24.8M

1 filing since 2025 · latest Equity filed

Cumulative raised
LAST ROUND
Equity · $24.8M
ROUNDS
1
INVESTORS
55
FOUNDED
2023
HQ
San Francisco, CA
SECTOR
SaaS
EMPLOYEES
N/A
30D VIEWERS
3

AI overview

Updated

Attuned Corp. operates as Span, an AI-native developer intelligence platform for engineering organizations. Span connects AI coding-agent activity to shipped code and pull requests, classifies how engineering time is allocated, and reports AI tool spend and ROI by team, individual, tool, and model. Its proprietary span-detect-1 model identifies whether shipped code was AI-generated or human-authored at the chunk level across coding tools and languages. The company was founded by J Zac Stein (CEO) and Henry Liu (CTO) and raised $25M in combined seed and Series A funding announced in November 2025 from Alt Capital, Craft Ventures, SV Angel, BoxGroup, and Bling Capital.

What sets it apart

span-detect-1, a proprietary model trained on millions of AI and human code samples that detects AI-generated code in shipped commits across every coding tool, letting engineering leaders tie AI coding spend to code that actually reached production rather than to editor telemetry.

Funding history

1 round
EquityFeb 12, 2025
Form D
+$24.8M$24.8M total

Latest SEC filings

via EDGAR · CIK 0002125497
Form D · Feb 12, 2025View on EDGAR

Products

1 tracked

Span

Developer intelligence platform

An AI-native developer intelligence platform that gives engineering leaders observability over how work gets done: agent traces linked to shipped code, AI code detection, engineering allocation, and AI spend and ROI reporting.

  • Agent trace analysis connecting AI-assisted work to shipped code and pull requests
  • AI effectiveness scoring across signals such as prompt quality and agent satisfaction over time
  • AI spend and ROI reporting broken down by team, individual, tool, and model
  • Engineering allocation tracking that uses AI inference to classify work against priorities

Links

WebsiteSEC EDGAR filings