LLL .ai domains are high-liquidity assets right now. While these aren't premium CVC (Consonant-Vowel-Consonant) patterns, they still hold solid floor value. I’d range them at mid-to-high $xxx for wholesale and $3k+ for the right startup.
NNN .io domains remain stable. 454.io has a slight edge due to the repetitive pattern. These are great for tech-focused brands. Looking at mid $xxx for a quick flip or low $x,xxx for an end-user sale.
The 'Chat' keyword is strong, but the hyphen is a major drawback for .com brandability. It might be a tough sell to high-end users. I’d price this at low $xx to mid $xx unless you find a very specific niche buyer.