As of my last knowledge update in October 2021, I can't provide real-time comparisons of specific AI platforms that have developed since then. However, I can suggest some alternatives to askan.ai that are known for their credibility, comprehensiveness, and effectiveness in various AI applications. Here are a few:
1. **OpenAI's GPT-3**: One of the most powerful language models available, GPT-3 can generate human-like text and respond to various