GPT-5.6 Luna is cheaper than GPT-5.2 Pro at $1/M vs $21/M input tokens.
| Spec | GPT-5.2 Pro | GPT-5.6 Luna |
|---|---|---|
| Input price | $21/M tokens | $1/M tokens |
| Output price | $168/M tokens | $6/M tokens |
| Context window | 400K tokens | 1.1M tokens |
| Released | Dec 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna costs 28x less per token.
GPT-5.6 Luna is cheaper on both — 21× input, 28× output
GPT-5.6 Luna uses 6.2x more transitions
GPT-5.6 Luna is cheaper than GPT-5.2 Pro at $1/M vs $21/M input tokens.
| Spec | GPT-5.2 Pro | GPT-5.6 Luna |
|---|---|---|
| Input price | $21/M tokens | $1/M tokens |
| Output price | $168/M tokens | $6/M tokens |
| Context window | 400K tokens | 1.1M tokens |
| Released | Dec 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna costs 28x less per token.
GPT-5.6 Luna is cheaper on both — 21× input, 28× output
GPT-5.6 Luna uses 6.2x more transitions