Ayar Labs
Transforming AI Architecture with Co-Packaged Optics
259 employees · est. 2015 · San Jose, United States
Ayar Labs is the older company (2015 vs 2020); Ayar Labs is the larger of the two.
Side-by-Side Comparison
| Metric | Ayar Labs | Salience Labs |
|---|---|---|
| Founded | ||
| Founded | 2015 older | 2020 |
| Headquarters | ||
| Headquarters | San Jose, United States | Oxford, United Kingdom |
| Employees | ||
| Employees | 259 larger | 40 |
| Industry | ||
| Industry | Energy, Hardware, IT | AI, Data Analytics, IT Infrastructure |
| Funding Stage | ||
| Funding Stage | Series E | Series A |
| Total Funding | ||
| Total Funding | $871.65M | $41.50M |
| Funding Rounds | ||
| Funding Rounds | 12 | 3 |
| Services | ||
| Services | Not tracked yet | Development and production of photonic switches for AI infrastructure |
| Target Customers | ||
| Target Customers | Not tracked yet | Datacenter operators, AI infrastructure developers, large cluster computing facilities |
| Taxonomy | ||
| Taxonomy | Optical I/O, High Performance Computing, Semiconductor Industry, Data Transmission, Chiplet Technology, Silicon Processing, Interconnect Technology, Artificial Intelligence, Power-efficient, Data Communication, Technology Disruption, Aerospace, Silicon Photonics, Start-up | Photonics, AI Connectivity, Data Center Infrastructure, Photonics Switching Technology, High-speed Networking, Ultra-low Latency, Hybrid Photonic-Electronic Chip, Silicon Photonics, Optical Switch, All-optical Networking, Compute Nodes, Low-latency Networking, High-bandwidth Networking, Power Consumption Reduction, Cost Efficiency |
| Website | ||
| Website | ayarlabs.com | saliencelabs.ai |
About Ayar Labs
Ayar Labs is a revolutionary startup focused on transforming AI infrastructure by accelerating data movement. The company’s slogan "Moving data at the speed of AI" encapsulates its mission to address the challenges posed by increasing complexity and size of AI models that traditional interconnect te...
About Salience Labs
Salience Labs, founded in 2020, is at the forefront of developing innovative photonics solutions for AI data center infrastructure. Headquartered in the United Kingdom, the company's core focus lies in high-speed, ultra-low latency networking fabrics that enhance performance by eliminating bottlenec...
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Funding, hiring, leadership and stack changes at Ayar Labs and Salience Labs — by email.
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Compiled from the BounceWatch company index. We last looked at Ayar Labs on 11 Sep 2024, and Salience Labs on 12 Jun 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.