GPT-5.6 Luna Pro is cheaper than GPT-6 Astra at $1/M vs $10/M input tokens.
| Spec | GPT-5.6 Luna Pro | GPT-6 Astra |
|---|---|---|
| Input price | $1/M tokens | $10/M tokens |
| Output price | $6/M tokens | $50/M tokens |
| Context window | 1.1M tokens | 1.1M tokens |
| Released | Jul 2026 | Sep 2026 |
Not enough votes to call it. On the specs, GPT-6 Astra has the edge: bigger model tier, newer.
GPT-5.6 Luna Pro costs 8.3x less per token.
GPT-5.6 Luna Pro is cheaper on both — 10× input, 8.3× output
GPT-5.6 Luna Pro uses 14.7x more emoji
GPT-5.6 Luna Pro is cheaper than GPT-6 Astra at $1/M vs $10/M input tokens.
| Spec | GPT-5.6 Luna Pro | GPT-6 Astra |
|---|---|---|
| Input price | $1/M tokens | $10/M tokens |
| Output price | $6/M tokens | $50/M tokens |
| Context window | 1.1M tokens | 1.1M tokens |
| Released | Jul 2026 | Sep 2026 |
Not enough votes to call it. On the specs, GPT-6 Astra has the edge: bigger model tier, newer.
GPT-5.6 Luna Pro costs 8.3x less per token.
GPT-5.6 Luna Pro is cheaper on both — 10× input, 8.3× output
GPT-5.6 Luna Pro uses 14.7x more emoji