NEW YORK, April 24 -- Meta plans to cut a tenth of its workforce, looking for productivity gains from its remaining workers as it invests heavily in artificial intelligence.

Meta will lay off about 8,000 employees and leave thousands of other positions unfilled next month, a source told AFP.

The move comes as co-founder and chief executive Mark Zuckerberg makes a priority of delivering "superintelligence" in a costly AI race against rivals including Amazon, Google, Microsoft and OpenAI.

Reports on Thursday also indicated that Microsoft is looking to trim its ranks with voluntary buyouts of some US employees in an unprecedented move by the tech stalwart founded in 1975.

About seven per cent of US employees at Microsoft were reported to...