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# Preferred Networks MN-1b

Facility record `fac-epoch-gc-preferred-networks-mn-1b` — data source: epoch-gpu-clusters (https://web.archive.org/web/20241126234046/https://fuse.wikichip.org/news/3063/japanese-ai-startup-preferred-networks-designed-a-custom-half-petaflops-training-chip/); authority tier 2

| Field | Value |
| --- | --- |
| Type | ai training |
| Status | decommissioned |
| Location | JP |
| Power capacity | 0.9 MW |
| IT load | not published |
| GPU count | 1,536 |
| Peak PFLOPS (FP16) | 83.1 |
| Owner | Preferred Networks Inc |
| Operator | not published |
| Announced | not published |
| Operational | not published |

## Cite

> Scrutica, "Preferred Networks MN-1b" (facility record), https://scrutica.com/facilities/fac-epoch-gc-preferred-networks-mn-1b; data source: epoch-gpu-clusters; accessed 2026-07-27.

Full interactive record: https://scrutica.com/facilities/fac-epoch-gc-preferred-networks-mn-1b · Methodology for derived values: https://scrutica.com/methodology#flop-estimation · All programmatic surfaces: https://scrutica.com/agents