GPT
A broad proprietary model family with a mature API and tool ecosystem.
Compare versions
3 versions · Reviewed Jul 2026
| Select for comparison | Model / version | Best fit |
|---|---|---|
gpt-5.6-sol | Highest capability | |
gpt-5.6-terra | Quality and cost balance | |
gpt-5.6-luna | Speed and volume |
Strengths
Covers general, coding, vision, and tool-based workflows.
Limitations
Closed weights and provider-controlled deployment.