The impact data climate capital demands.
Defensible, auditable avoided-emissions forecasts for investors, fund managers, and the startups they back. Built on the industry's most rigorous methodology.
No credit card required · Free CRANE tier forever · Enterprise on request
Trusted globally by investors, innovators & advisors
What you get
You need defensible numbers, not just a narrative.
Annual impact, solution scale, and unit impact: the three numbers your stakeholders demand, backed by auditable sources and version-controlled data.
What Koi is
A forecast engine, not a dashboard
Every Koi forecast combines three distinct models into a single, investment-grade number. One system. One methodology. One defensible answer.
Baseline Model
What happens if we do nothing? The counterfactual trajectory for the sector.
Solution Model
The physics and economics of the technology itself, drawn from 10,000+ starter models.
Market Model
Real-world adoption curves, TAM projections, and market penetration data.
The Koi Engine
The engine behind the number
An AI-accelerated, 4-stage pipeline that turns unstructured climate data into auditable, version-controlled forecasts. Every output traces back to its source.
Identify
Classify the technology and map it to 10,000+ starter models across climate sectors.
Match
Find the closest starter solution models, baseline references, and market data.
Fill
AI fills data gaps using peer-reviewed literature and auditable source chains.
Produce
Generate a version-controlled forecast with full provenance and confidence intervals.
Solutions
Different roles. Same problem.
You need defensible climate impact data without the consulting overhead. Here's how Koi fits.
Institutional Investors
Substantiate climate impact across hundreds of private-market investments without compromising fiduciary duty.
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Fund Managers
Scale your impact expertise into LP-grade data -- from diligence to fundraise to portfolio reporting.
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Climate Startups
Show customers and investors the impact of your technology with a defensible, third-party forecast.
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Accelerators
Give every startup in your portfolio a permanent free platform for climate impact modeling.
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We didn't just build software
When you present a Koi forecast, you're standing on the most rigorous foundation in the field.
Since 2018, the team behind Koi has co-created the world's most trusted methodologies for projecting the potential impact of climate technologies.
CRANE
Co-creators of the world's most comprehensive free impact projection tool
Learn moreProject Frame
Contributing authors to pre-investment GHG assessment methodology
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Scientific Advisory Committee for global avoided emissions factors database
Learn moreCDP / ECT
Contributors to CDP's Emerging Climate Technology Framework
Learn moreExplore Koi
Everything you need to dig in.
Start with Koi for free.
Add Enterprise data access when needed.
Explore available models, organize collections, and generate PDF reports in the platform. Enterprise adds API access and raw data export.
Brought to you by the team at Rho Impact.