Celestial AI Closes $255 Million Series C1

<p><strong>SANTA CLARA<&sol;strong> &&num;8212&semi; Celestial AI&comma; a provider of optical interconnect technology addressing the scalability demands of modern AI infrastructure&comma; announced the final close of its &dollar;255 million Series C1 funding&comma; adding strategic investors <a href&equals;"https&colon;&sol;&sol;cts&period;businesswire&period;com&sol;ct&sol;CT&quest;id&equals;smartlink&amp&semi;url&equals;https&percnt;3A&percnt;2F&percnt;2Fwww&period;vtalliance&period;com&percnt;2F01about&period;php&amp&semi;esheet&equals;54307312&amp&semi;newsitemid&equals;20250812918226&amp&semi;lan&equals;en-US&amp&semi;anchor&equals;VentureTech&plus;Alliance&amp&semi;index&equals;2&amp&semi;md5&equals;3281ed9fef44ac8c82293bbe37b6606a" target&equals;"&lowbar;blank" rel&equals;"nofollow noopener" shape&equals;"rect">VentureTech Alliance<&sol;a> and <a href&equals;"https&colon;&sol;&sol;cts&period;businesswire&period;com&sol;ct&sol;CT&quest;id&equals;smartlink&amp&semi;url&equals;https&percnt;3A&percnt;2F&percnt;2Fsamsungcatalyst&period;com&percnt;2F&amp&semi;esheet&equals;54307312&amp&semi;newsitemid&equals;20250812918226&amp&semi;lan&equals;en-US&amp&semi;anchor&equals;Samsung&plus;Catalyst&plus;Fund&amp&semi;index&equals;3&amp&semi;md5&equals;a556a9e0fc94683c2a29a78d497acc22" target&equals;"&lowbar;blank" rel&equals;"nofollow noopener" shape&equals;"rect">Samsung Catalyst Fund<&sol;a> in the round&comma; with deep semiconductor and foundry partnerships&period; This latest investment brings the company’s total funding to &dollar;520 million&period;<&sol;p>&NewLine;<p>The funding will accelerate commercial deployment of Celestial AI&&num;8217&semi;s Photonic Fabric technology&comma; which provides seamless optical scale-up networking from chip-to-chip within processor packages to server-to-server across data center racks&period; The investment will strengthen the company&&num;8217&semi;s volume manufacturing supply chain&comma; scale production capabilities and deepen strategic partnerships with foundries&comma; including TSMC&comma; as demand for next-generation AI infrastructure grows exponentially&period;<&sol;p>&NewLine;<p>&&num;8220&semi;The largest global infrastructure investment in history is currently underway as companies race to build AI computing capacity&period; The AI industry is hitting a fundamental wall with data movement between AI processors over copper wires&period; Today&&num;8217&semi;s copper-based interconnects simply cannot efficiently scale to serve the millions of processors that next-generation AI will require&comma;&&num;8221&semi; said David Lazovsky&comma; CEO of Celestial AI&period; &&num;8220&semi;We find ourselves uniquely positioned with the right technology&comma; at exactly the right time to partner with hyperscale customers and the greater industry ecosystem to lead this transition to light-speed data transfer&period; Our Photonic Fabric represents a generational leap in bandwidth&comma; low latency and power efficiency designed to deliver the kind of breakthrough that redefines what&&num;8217&semi;s possible in AI&period; We are pleased to add VentureTech Alliance as a strategic investor to further strengthen our supply chain partnerships&period;&&num;8221&semi;<&sol;p>&NewLine;<p>VentureTech Alliance joins Celestial AI&&num;8217&semi;s established elite investor base&comma; which includes leading financial institutions Fidelity Management &amp&semi; Research Company&comma; BlackRock&comma; Maverick Silicon&comma; Tiger Global Management&comma; Koch Disruptive Technologies &lpar;KDT&rpar;&comma; Temasek&comma; Xora Innovation&comma; Porsche Automobil Holding SE&comma; The Engine Ventures&comma; and the United States Innovative Technology Fund &lpar;USIT&rpar;&comma; alongside strategic investors AMD Ventures&comma; Samsung Catalyst Fund&comma; IMEC XPand and Penguin Solutions&period;<&sol;p>&NewLine;<p>&&num;8220&semi;The AI industry is at a critical inflection point where traditional electrical interconnects simply cannot support the scale and efficiency demands of next-generation models&comma;&&num;8221&semi; said Kai Tsang&comma; Managing Partner&comma; VentureTech Alliance&period; &&num;8220&semi;Celestial AI&&num;8217&semi;s Photonic Fabric represents the fundamental infrastructure shift the industry needs to enable system architectures that can scale processors while dramatically reducing power consumption&period; We are pleased to take part in this shift where Celestial AI will help the semiconductor ecosystem accelerate establishing optical interconnects as the new standard for AI computing&period;&&num;8221&semi;<&sol;p>&NewLine;