5.5 Pro is $30 in / $180 out: https://developers.openai.com/api/docs/pricing https://developers.openai.com/api/docs/pricing I think you meant 5.5. I agree it

5.5 Pro is $30 in / $180 out: https://developers.openai.com/api/docs/pricing https://developers.openai.com/api/docs/pricing I think you meant 5.5. I agree it is probably the same size model. It's probably exactly built on top of 5.5, just with more training, or else they would have bumped the version number to 6.