Question: Looking for a tool that offers GPT-4 security reviews and access control features for smart contract management.

If you're looking for a tool that can provide GPT-4 security reviews and access control features for smart contract management, ContractReader is a great option. It offers syntax highlighting, testnet support, live on-chain values, in-browser code comparison and GPT-4 security reviews. It also supports multiple blockchain networks and has features like access control with ENS names, so it's good for developers and companies managing smart contracts.

Another option is Maigon, which automates contract review and can check for compliance with regulations like GDPR. Using OpenAI's GPT-4, Maigon can provide up-to-date answers and a custom playbook for different types of contracts. It's geared for high-volume contract review, so you can focus on higher-level work.

For a more general purpose AI-powered tool, CoCounsel offers automated document review, contract analysis and timeline generation, all through GPT-4 technology. The tool is designed to let lawyers work more efficiently and accurately, spotting important documents, extracting relevant information and generating full answers with sources in seconds.

Last, SpeedLegal offers a more general purpose contract review tool with a Red Flag Analyzer, Personalized Suggestions and Automated Contract Summary. It can handle multiple types of contracts in multiple languages and can speed up contract review, helping legal and non-legal people handle contracts more effectively.