The useful question about GPT-5.6 is not “Which model is best?” It is “Which part of this workflow actually needs Sol?”
OpenAI now positions the family in three tiers:
Model
Input / 1M tokens
Output / 1M tokens
The useful question about GPT-5.6 is not “Which model is best?” It is “Which part of this workflow...
The useful question about GPT-5.6 is not “Which model is best?” It is “Which part of this workflow actually needs Sol?”
OpenAI now positions the family in three tiers:
Model
Input / 1M tokens
Output / 1M tokens

When GPT-5.6 landed as three models instead of one, my first reaction was mild annoyance. Sol, Terra,...

GPT-5.6 is live, but Sol is not the default answer. I ran the cost math on Sol, Terra, Luna, long context, caching, and four real…

OpenAI released GPT-5.6 as Sol, Terra, and Luna, adding Programmatic Tool Calling, ultra multi-agent mode, and tier pricing.

OpenAI’s latest flagship model hit general availability this morning, and comes in three sizes: Luna, Terra, and Sol (from…

OpenAI has updated the price-performance positioning of its GPT-5.6 model family, cutting prices for...

More intelligence from every token, stronger performance per dollar, and more capability on demand for your hardest work.