Griffain and Neur are both AI assistants built on Solana. Griffain offers more features, such as creating/checking/managing wallets, trading NFTs, token analysis, generating images, etc., making it suitable for users seeking powerful presets and customization options. Neur, on the other hand, has more refined features and a smoother user experience, making it suitable for general users. In terms of fees, Griffain charges an initial fee of 2 SOL, of which 0.5 SOL is deposited into the user's wallet, resulting in an actual cost of about 1.5 SOL; Neur charges 1 SOL. In terms of performance, Neur performs slightly better with faster loading speeds, though error handling requires frequent refreshing. Griffain stands out in terms of autonomy and customization features. Regarding compatibility, Neur is known for its open-source and multi-device compatibility, while Griffain offers extensive integration. The conclusion is that Neur is suitable for general users, while those seeking automation and customization should opt for Griffain.