Hermes Index
Nous Research launches the Hermes Index; Claude Opus 5.5 leads at 63.31
Nous Research's Hermes Index is an opinionated measure of agentic work run inside Hermes Agent, reporting task completion and cost per task. Claude Opus 5.5 leads with 63.31 at $4.99 per task, with GPT-6 Astra second at 56.25 and $11.61.