OpenAI API makes GPT-6.1 Sol faster to use One prompt can now drive more of your work Delegate work across Gmail, Docs, and more More support for defending infrastructure and open source Claude becomes easier to use safely under updated rules AI support for infrastructure and open-source defense GPT-6 Intelligent UI makes conversations visual and interactive Run high-volume tasks with a cheaper fast model Interactive chat screens speed up research and tasks Make everyday questions easier with visual ChatGPT answers Easier access to advanced Claude models for security work Run image, audio, and video search on-device with one model Atlassian integration makes company knowledge easier to use Anthropic expands safer access to advanced cyber features Enable text watermarking via API for EU compliance Text provenance becomes easier to pilot in the EU Claude training becomes easier for enterprise teams Anthropic invests in workforce training for enterprise adoption Enterprise adoption and training get easier Gemini 4 Argon is built for long professional tasks OpenAI API makes GPT-6.1 Sol faster to use One prompt can now drive more of your work Delegate work across Gmail, Docs, and more More support for defending infrastructure and open source Claude becomes easier to use safely under updated rules AI support for infrastructure and open-source defense GPT-6 Intelligent UI makes conversations visual and interactive Run high-volume tasks with a cheaper fast model Interactive chat screens speed up research and tasks Make everyday questions easier with visual ChatGPT answers Easier access to advanced Claude models for security work Run image, audio, and video search on-device with one model Atlassian integration makes company knowledge easier to use Anthropic expands safer access to advanced cyber features Enable text watermarking via API for EU compliance Text provenance becomes easier to pilot in the EU Claude training becomes easier for enterprise teams Anthropic invests in workforce training for enterprise adoption Enterprise adoption and training get easier Gemini 4 Argon is built for long professional tasks

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Anthropic Releases Claude Prompt Best Practices Guide

Better prompts improve Claude output accuracy.

SOURCE CHECK

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Primary / docs.anthropic.com

Official Docs

Key Points

1XML/tools parallel examples
2Agent scripts
3Hallucination reduction

Anthropic published a prompt engineering guide for Claude Opus/Sonnet 4.6 with examples on XML tags, parallel tools, agent scripts, and hallucination reduction.

Key point

Anthropic published a prompt engineering guide for Claude Opus/Sonnet 4.6 with examples on XML tags, parallel tools, agent scripts, and hallucination reduction.

Impact

Better prompts improve Claude output accuracy. Key checks: XML/tools parallel examples / Agent scripts / Hallucination reduction.