GPT 5.5 Released in Codex
Just updated codex to v0.122.0 and got a pleasant surprise!
1. gpt-5.5 (current) Latest frontier agentic coding model.
2. oai-2.1 Latest frontier agentic coding model.
3. gpt-5.4 Latest frontier agentic coding model.
4. gpt-5.2-codex Frontier agentic coding model.
5. arcanine Frontier model with legendary appetite for starches
6. glacier-alpha intelligence that moves continents
7. glacier-alpha-block-cy3 ice-cold intelligence
8. glacier-alpha-block-cy4 ice-cold intelligence
Seeing the same in my local codex too
might as well start reading tea leaves at this point. No ones putting more gas in the tank till the market actually approaches its trillion dollar projected market cap. I wouldn't doubt if they're just finetuning existing models and promps and harnesses. Oh my.