Preply — $1.2 billion: This language learning platform last raised a $150 million Series D at a $1.2 billion valuation. It has raised more than $320 million in funding to date from investors like Owel Ventures and Full In Partners. It was founded in 2012, according to Pitchbook.
Note that we use a different logging cadence for each run, which is partially why the x-axis limits differ. We train the models until the eval score plateaus.
，更多细节参见搜狗输入法
└──────────────────────┘。谷歌对此有专业解读
Natalie Truswell,BBC News Investigations