ChatGPT users watching Opus 5.5 drop:
• it beats Astra in agentic coding
• 1846 vs 1542 on GDPval-AA
• ~20% of Astra’s cost on FrontierCode
• 30%+ faster than Opus 5
• higher Claude usage limits
Anthropic didn’t drop a model. They dropped a bomb on ChatGPT users 😭
Introducing Claude Opus 5.5, the first model in our new Claude 5.5 family.
It performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5.
I made a Hermes Agent slash command cheat sheet a while back.
@NousResearch has shipped a ton of new stuff since then, so I tonight, I rebuilt it from scratch.
Every official slash command as of 7.4.2026.
Bookmark it.
Study it.
Become a HERMES LEGEND. 🤘