Volantis
Category: AI Chips / Semiconductors
Volantis is a San Francisco semiconductor startup building photonic interconnect and optical-memory AI inference hardware to break the AI memory wall. Volantis was founded in 2022. The company is led by Tapa Ghosh. Based in San Francisco, CA, USA. Team size: 11-50. Total funding raised: $97M. Latest round: Series A. Key investors include Lachy Groom, Abstract Ventures, John Doerr, VXI Capital, Triatomic, Susa Ventures, Sam Altman, Alex Wang, Trevor Blackwell, Jeff Dean, Dwarkesh Patel, Naveen Rao.
- Founded
- 2022
- Headquarters
- San Francisco, CA, USA
- Team size
- 11-50
- Total funding
- $97M
Value proposition
Uses optics (photonic wires) to connect compute chips to memory, delivering SRAM-level bandwidth with rack-scale memory capacity — enabling ultra-fast inference on very large models at low cost per token.
Products and solutions
A-1: integrated photonic AI inference system/engine designed to run models exceeding 20 trillion parameters at up to 10,000 tokens/sec/user, photonic interconnect fabric pooling many memory chips into a unified pool (>30X memory bandwidth, >50X larger memory pools).
Unique value
Optical reach (~200mm+) vs electrical interconnect (~2mm) allows ~100x more fast memory next to a chip, boosting both memory bandwidth and capacity by orders of magnitude — solving the AI memory bottleneck with photonics.
Target customer
AI labs, hyperscalers, and data-center operators running frontier-scale LLM inference; initially AI agent/coding workloads.
Industries served
AI Infrastructure, Semiconductors, Data Center / Cloud Computing
Technology advantage
Photonic interconnect inside the accelerator using tiny optical waveguides on giant substrates; team brings semiconductor and photonics experience from Nvidia, AMD, Broadcom and Ayar Labs, including co-packaged optics, HBM, CoWoS, semiconductor packaging, tunable VCSELs and silicon-photonics systems.
How they differentiate
Focuses specifically on photonic interconnect between compute and memory (optical memory pooling) rather than general optical I/O or photonic compute; targets extreme model scale (>10-20T params) with SRAM-level latency and rack-scale capacity.
Main competitors
Ayar Labs, Lightmatter, Celestial AI
Major milestones
Founded 2022, emerged from stealth with $9M seed (June 2025), raised $88M Series A (Oct 2026), targeting first A-1 customer deployments in 2027.
Growth metrics
Emerged from stealth June 2025 with $9M seed; raised $88M Series A Oct 2026; plans first integrated inference engine customer deployments in 2027.
Market positioning
Emerging challenger in the optical-interconnect / AI memory-wall space, competing with well-funded players (Ayar Labs ~$650M raised, Lightmatter) but differentiating on memory-capacity pooling for frontier inference.
Geographic focus
United States (Silicon Valley / Bay Area); global AI data-center market
Patents and IP
Volantis publicly disclosed multiple pending patents covering its photonic compute architecture in its June 12, 2025 company announcement. Patent identifiers and current grant status were not verified.
About Tapa Ghosh
Founder & CEO of Vathys (AI hardware/3D chip startup, 2015-2022); Thiel Fellow; Y Combinator W18 batch; UC Berkeley graduate. Pioneered 3D chips for AI workloads.
Latest news about Volantis
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Official website: https://volantissemi.ai/