BREAKING
OpenAI Launches GPT-5.6 in API
Three Tiers: Sol, Terra, Luna
Sol
Flagship
●
Leads in coding
●
Knowledge and science
Terra
Balanced
●
Matches GPT-5.5
●
At lower cost
Luna
Fast
●
Fastest option
●
Most affordable
Output Price per 1M Tokens
Sol
30
Terra
15
Luna
6
Terminal-Bench 2.1 Coding Score
Sol Ultra
91.9
Sol
88.8
Claude M5
84.3
GPT-5.5
83.4
New API Features
1
Prompt caching
↓
2
Multi-agent calls
↓
3
Max/Ultra reasoning
Choose Intelligence, Speed or Cost
AI NEWS BLITZ
OpenAI has released its new GPT-5.6 model family across its API.