What's Changed
* Update model mappings, add GTP-4o, small README fixes by hashworks in https://github.com/npiv/chatblade/pull/85
New Contributors
* hashworks made their first contribution in https://github.com/npiv/chatblade/pull/85
**Full Changelog**: https://github.com/npiv/chatblade/compare/v0.4.0...v0.5.0