Exai is the eleventh album by electronic music duo Autechre, released on Warp Records. The album was released in digital form on 7 February 2013, with the CD and vinyl versions scheduled for release on 5 March. ‘Exai’ alludes to the roman numeral XI, referencing the fact that this is the duo’s eleventh album. The recording will be released as both two CDs and four LPs. Exai has been polarising in its reviews. Grayson Currin of Pitchfork Media thought the album had some good moments, but was too long at two hours, and would have been improved by more editing and trimming. Chris Power of BBC Music was more enthusiastic, calling the album Autechre’s best in fifteen years.