Startup profile · funding coverage
Prometheus funding, valuation and investors
Physical-AI company building an "artificial general engineer" to automate design and manufacturing of complex hardware.
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Funding, valuation & investors
Answer-first snapshotLatest funding
Series B
$12B · June 2026
Latest known valuation
~$41B
Series B · June 2026
Total disclosed equity funding
$18B
Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.
Current status
private
growth · San Francisco, California, USA
Investors in latest funding
Other: Jeff Bezos , JPMorgan Chase , BlackRock , Goldman Sachs , Arch Venture Partners
Overview
Prometheus is a San Francisco–based physical-AI startup co-founded and co-led by Jeff Bezos and Vik Bajaj (former Verily co-founder and Google X alum). Launched in November 2025, the company is building what it calls an "artificial general engineer"—software that automates and accelerates design, simulation, and manufacturing of complex physical systems from aerospace hardware to pharmaceutical compounds. Bezos has said Prometheus has "nothing to do with robotics" and is closer to a modern CAD stack augmented by physics-aware models and lab data loops. The company operates from San Francisco with teams in London and Zurich and had roughly 150 employees as of June 2026. Product details remain largely undisclosed; Bezos told CNBC in June 2026 that early rollouts are coming but specifics are premature.
Why Prometheus is interesting
Bezos and Bajaj are betting that physics-aware AI for jet engines, chips, and drug compounds—not chatbots—is where the next defensible moats form. A $41B valuation on ~150 people signals capital is pricing scarce physical-engineering talent and compute, not proven product revenue yet.
Product & use cases
Prometheus is developing an AI software stack for physical product engineering—combining physics-aware models, simulation, optimization, and orchestration layers that connect design proposals to manufacturable outputs. The company targets aerospace, advanced computing, automotive, and life-sciences hardware workflows rather than consumer chat interfaces.
- Accelerating jet-engine and aerospace component design cycles for manufacturers
- Shortening pharmaceutical and materials R&D from lab data to candidate designs
- Automating engineering workflows that today require large cross-functional teams
- Feeding real-time sensor and test-bench data back into design iterations
Key facts
- Series B (Jun 2026): $12B at ~$41B valuation per TechCrunch and CNBC
- Launch round (Nov 2025): $6.2B initial funding; Bezos largest backer on Series A
- ~150 employees across San Francisco, London, and Zurich (Jun 2026)
- Mission described as "AI for the physical economy" — not robotics per Bezos
- Recruited talent from OpenAI, DeepMind, Nvidia, Meta, and xAI
- Syndicate includes JPMorgan, BlackRock, Goldman Sachs, and Arch Venture Partners
Funding history (newest first)
Series B
2026-06 $12B Valuation: ~$41B- Jeff Bezos (participant)
- JPMorgan Chase (participant)
- BlackRock (participant)
- Goldman Sachs (participant)
- ARCH Venture Partners (participant)
Series A / launch
2025-11 $6.2B- Jeff Bezos (lead)
Source: https://news.crunchbase.com/venture/bezos-bajaj-ai-startup-prometheus/
Investors in our directory
Funds linked from Prometheus's profile — open a fund page for stage focus and related deal articles.
Competitive landscape
Edge: Scarce team bridging frontier AI and physical engineering, plus institution-scale capital for compute and instrumented lab data—Bezos ties early adoption potential to Blue Origin–class hardware programs.
Physical-AI funding is crowded, but few teams credibly combine Bezos-scale capital, top lab talent, and a manufacturing-first thesis. Prometheus competes less on near-term product features—still stealth—than on whether AI can close the loop from simulation to certifiable hardware faster than incumbents and specialized robotics labs.
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Figure AI adjacent
Humanoid robotics and embodied AI; Prometheus focuses on design/manufacturing software, not robots.
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Physical Intelligence adjacent
Robot foundation models; Prometheus targets engineering workflows across hardware domains.
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Autodesk / Dassault Systèmes incumbent
Dominant CAD/PLM incumbents; Prometheus aims to leapfrog with AI-native physical design.
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NEURA Robotics adjacent
Cognitive industrial robots in Europe; different product surface though both sit in physical-AI capital flows.
Notable stories
- Bezos returned to an operating CEO role for the first time since leaving Amazon in 2021, telling CNBC he "couldn't sit on the sidelines" after seeing Prometheus' early work (CNBC, June 2026).
- Despite hire profiles suggesting robotics, Bezos publicly corrected CNBC's Andrew Ross Sorkin: Prometheus is building engineering design tools, not robots (GeekWire, June 2026).
Industries
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Venture Capital Tracker pieces that cover Prometheus's financing or category context.
FAQs about Prometheus
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