ANTHROPIC'S CHEAPER OPUS 5 OVERTAKES FABLE 5 IN CORPORATE SPENDING

Summary from the TLDR AI newsletter

Opus 5 overtook Fable 5 in corporate model spending within a month of launch. Low switching costs let businesses route routine work to cheaper models while reserving premium systems for tasks that require sustained autonomy. Opus 5 costs half of Fable's rates, but the cheaper system may need more attempts, longer prompts, or more human review, so cost per successful task adds up. Fable remains intended for long autonomous projects that have to stay coherent across connected steps.