Global AI Funding Tracker

Infra chokepoints intensify — optics, chips and thermal

Infra chokepoints intensify — optics, chips and thermal

Key Questions

What investments are accelerating in AI infrastructure bottlenecks?

Significant funding is flowing into optics, chips, and thermal cooling solutions, including Ayar Labs raising $500M for optics and Frore securing $143M at a $1.64B valuation for cooling technology. Additional rounds include MatX at $500M for chips, SiMa.ai at a $1.4B valuation, and DeepInfra's $107M Series B.

What is the current valuation for SiMa.ai?

SiMa.ai, an AI edge inference chip company, is raising funds at a $1.4 billion valuation. This represents a more than 45% premium over its previous $960 million valuation from August of last year.

How much did DeepInfra raise in its latest round?

AI cloud provider DeepInfra secured $107 million in a Series B funding round. The capital will support expansion of its AI infrastructure services.

Which companies are addressing data center cooling and modular builds?

Frore raised $143M at a $1.64B valuation focused on cooling solutions, while Armada raised $230 million to build modular data centers, including a new Arizona factory with investor Johnson Controls.

What other AI hardware and quantum funding activity is noted?

Sygaldry Technologies announced $139M in combined Seed and Series A financing for quantum AI systems. These moves complement broader investments in specialized chips and infrastructure from companies like MatX and Ayar Labs.

Accel investment in bottlenecks: Ayar Labs $500M optics, Frore $143M at $1.64B cooling, MatX $500M chips, SiMa.ai at $1.4B, DeepInfra $107M Series B. Armada $230M Series B at $2B val for modular data centers.

Sources (7)
Updated May 20, 2026
What investments are accelerating in AI infrastructure bottlenecks? - Global AI Funding Tracker | NBot | nbot.ai