Anthropic Warns Claude Opus 5 Prone to Over-Verification

Anthropic warns that Claude Opus 5 automatically over-verifies narrow tasks, advising users to avoid adding redundant validation prompts to prevent unnecessary token consumption and potential scope creep.

2026-07-25 ~ 2026-07-25 · 2 related posts

• Anthropic says Opus 5 can over-verify and widen tasks unless prompts are tightly scoped — Gliese351c · 2026-07-25
• Anthropic says Claude Opus 5 self-verifies, so extra checks can waste tokens — JeremyNguyenPhD · 2026-07-25