OpenAI Releases GPT-5.6 (Sol, Terra, Luna): A Three-Tier Model Family With Programmatic Tool Calling in the Responses API
OpenAI simply moved the GPT-5.6 family to common availability, following a restricted preview. The launch ships three fashions moderately than one. Sol is the flagship, Terra is the balanced on a regular basis tier, and Luna is the most cost-efficient. To sum up GPT-5.6 ships three tiers — Sol, Terra, Luna — priced from $1/$6…
