← Tuesday, September 29, 2026AgentsGuide
Claude Opus 5.5 prompting covers effort, unattended runs, and context exploration
The guide says Opus 5.5 generates output tokens more than 30% faster and uses fewer tokens for the same task, and covers effort calibration, unattended runs, refusals, progress updates, and context exploration. These patterns can help engineers tune agent behavior and cost.
- What
- The Claude Opus 5.5 prompting guide covers effort settings, unattended agent runs, progress updates, and multi-app context exploration.
- How
- It says existing Opus 5 prompts should work well, while targeted patterns address issues such as long runs stopping early or missing context.
- Why it matters
- These practices can help engineers build more reliable long-running agents and integrations.
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