Intercom's new post-trained Fin Apex 1.0 beats GPT-5.4 and Claude Sonnet 4.6 at customer service resolutions

Intercom announced Fin Apex 1.0 company announced the model on Thursday.

Fin Apex 1.0 achieved a 73.1% resolution rate resolution rate measures issues resolved without human intervention per Intercom benchmarks.

GPT-5.4 achieved a 71.1% resolution rate in the same benchmarks benchmark comparison shared with VentureBeat.

Claude Sonnet 4.6 achieved a 69.6% resolution rate in the same benchmarks benchmark comparison shared with VentureBeat.

Fin Apex 1.0 delivered responses in 3.7 seconds on average 0.6 seconds faster than the next-fastest competitor per Intercom.