User Reports GPT-5.6 Luna Listed as Legacy Model in ChatGPT App
Illustrious-Bet-1368 · reddit · 2026-08-17
A Reddit user reports that GPT-5.6 Luna is listed under 'Legacy Models' in the ChatGPT Classic App, and the model picker is broken, always reverting to Sol Thinking. This may hint at OpenAI adjusting its model lineup, but it's not officially confirmed.
More from Models
- GLM 5.5 rumored to drop soon, coding ability expected to match frontier models — bindureddy · 2026-10-16
- Five rounds of adversarial prompting make Opus 5.5 and Argon converge on identical output — LanceCharger · 2026-10-16
- DIY benchmark ranks 18 models on subjective judgments, GLM-5.3 tops consensus match — arkuto · 2026-10-16
- Bindu Reddy: Google's Argon excels at complex doc writing at half the cost of Opus — bindureddy · 2026-10-16
- MAI-2 is 2x bigger than V4-Pro while V4.1F is 3x smaller: Microsoft's scaling ladder questioned — teortaxesTex · 2026-10-16
- Step 5 Preview hits DeepInfra day-zero: 600B MoE, 1M context, $1/M input tokens — StepFun_ai · 2026-10-16