AI math startup focused on provably correct reasoning, valued at $1.45B after a $120M Series C in January 2026.
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“Instead of ranking startups case by case via different growth signals, we unify all dimensions into a single metric: investor interest measured by the number of investors visiting the respective stealth/startup profiles on the Harmonic platform.”
Source→“Thousands of investors from firms such as General Catalyst, Earlybird, and Pear use Harmonic every day to find and evaluate investment opportunities.”
Source→“we score funds based on the stage, round size, and whether they led the seed.”
“aggregates real-time data on 30M+ companies and 190M+ people to surface the signals that actually matter”
“Every Monday, show me the deals my competitors did in the previous week. 20VC uses Scout to surface missed deals.”
Source→“Harmonic already interleaves CRM data, networks, and arbitrary custom data, and now we're working on an even richer context graph.”
Source→“Earlier this year, I wrote about the consolidation of our external data stack at Earlybird and why we moved to Harmonic as our primary data backbone.”
Source→“Scout is the AI for investors. It understands startups and the people behind them so you can: Map markets, Find founders, Evaluate companies, Draft outreach.”
Source→“Instead of ranking startups case by case via different growth signals, we unify all dimensions into a single metric: investor interest measured by the number of investors visiting the respective stealth/startup profiles on the Harmonic platform.”
Source→“Harmonic just released X followers as a data field. This version of the Picks highlights founders followed by major investors, who often aren't on their cap table… yet”
Source→“Harmonic: AI-powered data platform aggregating signals on companies and people. Aggregates real-time data on 30M+ companies and 190M+ people to surface the signals that actually matter — all through AI-powered workflow.”
“A new benchmark from Harmonic places human mathematicians at the center of AI math evaluation. This could meaningfully shift which models are considered 'best' and disrupt existing rankings that drive enterprise purchasing decisions.”
Source→“Harmonic - Startup data and signal platform - Report partner; listed as a top data tool in the DDVC tech stack”
Source→“Lots of this data has become broadly available via providers such as Harmonic, Evertrace, and others.”
Source→“Lots of this data has become broadly available via providers such as Harmonic, Evertrace, and others. There's little value in rebuilding the scraping and pipelines. Focus should be on scoring to match your fund focus with highest probability of success opportunities.”
Source→“Poetic, an AI startup focused on complex business workflows, raised $50m at a $500m valuation from OpenAI, Kleiner Perkins, Founders Fund, and First Harmonic.”
“Harmonic data to analyse early-stage deal activity across 10 mega-funds ($10B+ AUM).”
Source→“Harmonic aggregates real-time data on 30M+ companies and 190M+ people to surface the signals that actually matter – all through AI-powered workflow.”
“In January, Nvidia joined a $120 million Series C round that valued it at $1.45 billion.”
Source→“Harmonic, backed by Robinhood founder Vlad Tenev. In January, Nvidia joined a $120 million Series C round that valued it at $1.45 billion.”
Source→“The leading startup discovery engine serving top VC firms like Accel, Bessemer, Firstmark, General Catalyst, Lightspeed, and hundreds more.”
Source→“Instead of ranking startups case by case via different growth signals, we unify all dimensions into a single metric: investor interest measured by the number of investors visiting the respective stealth/startup profiles on the Harmonic platform. This is a unique scoring you won't find anywhere else!”
Source→“Harmonic aggregates real-time data on 30M+ companies and 190M+ people to surface the signals that actually matter – all through AI-powered workflow.”
“Each seed-to-upround conversion is scored using three factors…Stage Weight – Series C = 3x, Series B = 2x, Series A = 1x…Lead Bonus – If the fund led the original seed round, the score gets a 1.5x multiplier.”
AI-extracted from podcast / newsletter / paper summaries. May contain errors.