#dev Hello, Opus 5. https://www.anthropic.com/news/claude-opus-5

PrisonerJul 24 17:13

dev Hello, Opus 5. https://www.anthropic.com/news/claude-opus-5

Introducing Claude Opus 5

By@AnthropicAI

Jul 24 17:15

Good luck, Tibo. akari_anya

Jul 24 18:44

Cost: Opus 5 << Opus 4.8

Jul 24 19:51

Harness: Opus 5 << Opus 4.8

Jul 24 21:24

No wonder. https://x.com/trq212/status/2080710971228918066

Thariq@trq212

We removed ~80% of the Claude Code system prompt for our newest models, this is what we've learned about writing system prompts, skills and Claude.MDs for them.