1. OpenAI (GPT Series)
- Prompt Engineering Guide (Core) : platform.openai.com/docs/guides…
- Best Practices (Help Center) : help.openai.com/en/articles…
- GPT-4.1 Prompting Guide (Cookbook) : cookbook.openai.com/examples/gp…
- GPT-5.1 Prompting Guide: cookbook.openai.com/examples/gp…
2. Anthropic (Claude)
- Prompt Engineering Overview: docs.anthropic.com/en/docs/bui…
- Claude Prompting Best Practices: platform.claude.com/docs/en/bui…
3. Google (Gemini)
- Gemini Prompting Guide (PDF) : services.google.com/fh/files/mi…
- Gemini API Prompting Docs: ai.google.dev/gemini-api/…
4. Meta (Llama)
- Llama Prompting Guide: ai.meta.com/llama/get-s…
- Llama 3 Prompt Engineering: ai.meta.com/llama/llama…
5. Mistral AI
- Prompting Capabilities Guide: docs.mistral.ai/guides/prom…
6. Cohere
- Prompt Engineering Guide: txt.cohere.com/how-to-trai…
- Cohere API Prompt Docs: docs.cohere.com/docs/prompt…
7. AWS (Amazon Bedrock / Nova)
- Bedrock Prompt Engineering Guidelines: docs.aws.amazon.com/en_en/bedro…
- Amazon Nova Prompt Guide: docs.aws.amazon.com/en_en/bedro…
8. IBM (watsonx)
- Prompt Engineering Guide: www.ibm.com/think/promp…
9. Chinese Mainstream LLMs
- Tongyi Qianwen (Alibaba) : help.aliyun.com/zh/model-st…
- Wenxin Yiyan (Baidu) : yiyan.baidu.com/learn
- Doubao (ByteDance) : www.doubao.com/guide/promp…
10. Community & Cross-LLM Resources
- DAIR.AI Prompt Engineering Guide: www.promptingguide.ai/
- Learn Prompting (Free Course) : learnprompting.org/docs/intro
