Fourth Power vs Duckie

Side-by-side comparison of AI visibility scores, market position, and capabilities

Fourth Power

EmergingClimate Tech

Thermal Energy Storage

Raised $45M total including $20M Series A (Munich Re Ventures, DCVC, Breakthrough Energy). Integrated demo unit completing 2026. Targets 10x cheaper storage than lithium-ion.

About

Fourth Power is an MIT-originated thermal energy storage company that stores electricity as heat in graphite blocks at 2,400°C — using molten tin as a heat transfer medium and converting stored heat back to electricity via thermophotovoltaics (TPV). The company has raised $45 million including a $20 million Series A from Munich Re Ventures, DCVC, and Breakthrough Energy Ventures, and is completing its full integrated demonstration unit in 2026.

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Duckie

EmergingInfrastructure

IT Operations

SF YC W24 AI support agent builder at 80% resolution time reduction and 71% ticket deflection; $500K from a16z/Greylock/YC/Netflix competing with Intercom Fin for customer support AI workflow automation.

AI VisibilityBeta
Overall Score
D25
Category Rank
#18 of 68
AI Consensus
59%
Trend
stable
Per Platform
ChatGPT
33
Perplexity
19
Gemini
36

About

Duckie is a San Francisco-based AI customer support platform — backed by Y Combinator (W24) with $500,000 in funding from Y Combinator, Andreessen Horowitz, Greylock, KungHo Fund, Netflix, and 5 additional investors — providing customer support teams with an AI agent builder that translates existing support processes and workflows into predictable, reliable AI automation, achieving 80% reduction in resolution time and 71% ticket deflection for deployed teams. Founded in 2023 and targeting customer support leaders at growth-stage software companies, Duckie enables support teams to deploy AI agents in minutes without engineering dependency.

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