Explore alternative AI API solutions and open-source projects for hosting your own models, reducing reliance on OpenAI for building GPT wrappers and AI SaaS. Discover platforms like Replicate, Hugging Face, Together.ai, Cohere, Perplexity AI, and Anthropic for diverse AI capabilities. Learn about open-source projects such as text-generation-webui, skypilot, litellm, text-generation-inference, vllm, and mlc-en that simplify AI hosting. Gain insights from Hamel's blog post on LLM inference to enhance your understanding of AI implementation options beyond OpenAI APIs.