Anthropic added beta per-message effort changes on Claude API for Claude Fable 5.1, Mythos 5.1, and Opus 5.

The important part is turn-level effort control without losing the existing prompt cache.

For API builders, effort becomes a per-turn messages setting, gated by beta header, with prompt cache preserved.

• What is AI operations?
  The discipline of running a business on AI, how it differs from AIOps, and what an operations layer actually does.
• What are AI agents?
  Agents versus chatbots versus automations, the five parts of a working agent, and the failure modes nobody warns you about.

Nova3 AI builds this kind of system for businesses on the Emerald Coast.

• Sep 05, 2026OpenAI removed model catalog copy naming GPT-5.6 Sol, Terra, and Luna.
• Sep 05, 2026Anthropic removed its Claude compare models table from the model card page
• Sep 05, 2026Google pricing page removed a visible Gemini API navigation and pricing snapshot.

This is the world we build in. It moves this fast. We move with it. Nova3 AI turns frontier shifts like this into running operations for businesses on the Emerald Coast.