Cristian Rivera, software engineer at Stripe, says, "Opus 5 is a clear generational step up from Opus 4.8. Near Fable 5 performanceAnthropic says that "Opus 5 comes close to the capabilities of Claude Fable 5 in many domains at half the price." Cursor co-founder Sualeh Asif reports, "Claude Opus 5 delivers near Fable 5 intelligence at Opus speed and cost. I've been using the heck out of Opus 4.8 on my $100/month Claude Max plan and haven't experienced throttling. Opus 5 is available now to all user tiers that previously had access to Opus 4.8.