# clm_7662E69545D7

subject: Preferred Networks (/record/preferred-networks.md)  
predicate: released  
value: Chainer  
valid_from: 2019-05-16  
valid_to: null  
published: 2019-05-15  
recorded: 2026-11-14  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-14  
cite: AsOf. "Preferred Networks released: Chainer", as of 2019-05-16. Claim clm_7662E69545D7, https://asof.is/claim/clm_7662E69545D7, accessed 2026-11-14. Source: https://www.preferred.jp/en/news/pr20190516.  
checked: 2026-11-14 · its source page states the value and the date, as read by an AI model  

> May 16, 2019, Tokyo Japan – Preferred Networks, Inc. (PFN, Head Office: Tokyo, President & CEO: Toru Nishikawa) has released Chainer(TM) v6 and CuPy(TM) v6,

What https://www.preferred.jp/en/news/pr20190516 says, word for word.

## Sources

- https://www.preferred.jp/en/news/pr20190516 (primary, Preferred Networks, published 2019-05-15)

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