A quantitative alternative to CB Insights for investors who want signal over narrative.
CB Insights is the industry reference for market-intelligence reports: analyst-written research on emerging technology categories, funding trend analyses, and company scoring powered by a combination of curated data and proprietary AI models. VC Deal Flow Signal is a quantitative engine focused on one specific signal — engineering acceleration on public GitHub organizations — updated weekly and published with a public methodology paper. They serve adjacent use cases: CB Insights for narrative and trend context, VC Deal Flow Signal for timing on specific startups.
CB Insights builds its product around editorial research and proprietary scoring models that combine funding history, team signals, press mentions, and other inputs. The output is often narrative: a category overview, a Mosaic score, a market map. VC Deal Flow Signal's output is mechanical: a time-series of commit velocity and contributor growth across tracked GitHub orgs, with a weekly ranked list of the top five by acceleration. Narrative versus signal. Both have value; neither replaces the other.
CB Insights' flagship scoring (Mosaic, etc.) is proprietary and not fully disclosed — users accept the score as given. VC Deal Flow Signal publishes its full methodology in a public paper (SSRN abstract 6606558), releases the underlying dataset under Creative Commons, and includes both positive and negative case studies. For investors who want to inspect and challenge the signal, VC Deal Flow Signal is open in a way CB Insights is not.
CB Insights is enterprise-priced with annual contracts typically in the $60,000+ range. There is no public self-serve tier. VC Deal Flow Signal is self-serve, free at the core tier (weekly Signal Report, sector pages, MCP server), with Dashboard access at EUR 9.97/month during beta. The gap is large enough that the two tools realistically serve different investor populations: institutional researchers versus individual scouts and technical angels.
| Feature | VC Deal Flow Signal | CB Insights |
|---|---|---|
| Signal type | Engineering acceleration (leading, quantitative) | Market intelligence + proprietary scoring |
| Methodology | Public SSRN paper (6606558), CC-BY dataset | Proprietary, not disclosed |
| Typical lead time | 6-12 weeks pre-fundraise | Varies by signal |
| Free tier | Substantial (weekly report, sector pages, MCP) | None (demo required) |
| Paid pricing | EUR 9.97/mo beta | Enterprise ($60k+/yr) |
| Best for | Quantitative timing on technical startups | Narrative market research |
Pick VC Deal Flow Signal if
You prefer quantitative, inspectable signals over analyst narratives; you want the underlying data and methodology, not just the output; you invest in technical startups with public GitHub activity.
Pick CB Insights if
You need editorial market research, thematic reports, and proprietary composite scoring across every sector; your institution already has a CB Insights seat and the workflow is built around it.
Verdict
If your work leans quantitative — you want a signal you can inspect, challenge, and integrate into a spreadsheet — VC Deal Flow Signal is the more transparent and dramatically cheaper option. If your work leans narrative — you need market maps, category reports, and comparative analyst views — CB Insights remains the industry default. Investors who can afford both often use VC Deal Flow Signal as a weekly filter and CB Insights for occasional deep-dives.
Partially. For quantitative timing on technical startups, yes — and at a fraction of the cost. For narrative market reports and sector maps across non-technical categories, no.
Transparency is the differentiator. The SSRN paper (abstract 6606558) describes how the signals are computed, what the known biases are, and where the methodology is likely to fail. Investors can replicate the approach, challenge it, or build on top of it — none of which is possible with a proprietary score.
Not as a core feature. CB Insights' data surfaces are funding events, team signals, press mentions, and their own composite scoring. Engineering-acceleration from public repositories is specific to VC Deal Flow Signal.
Useful. The weekly Signal Report, all sector pages, all per-startup profile pages, and the open MCP server are free forever. Paid is optional for people who want the Dashboard, watchlist alerts, and the tripwire scorecard.
Get this week's top 5 breakout startups ranked by GitHub engineering acceleration. Free, no spam.
Get the Report