GPT-5.6 Luna Pro is cheaper than OpenAI o3 at $1/M vs $10/M input tokens.
| Spec | GPT-5.6 Luna Pro | OpenAI o3 |
|---|---|---|
| Input price | $1/M tokens | $10/M tokens |
| Output price | $6/M tokens | $40/M tokens |
| Context window | 1.1M tokens | — |
| Released | Jul 2026 | Apr 2025 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna Pro costs 6.7x less per token.
GPT-5.6 Luna Pro is cheaper on both — 10× input, 6.7× output
GPT-5.6 Luna Pro uses 53.7x more emoji
GPT-5.6 Luna Pro is cheaper than OpenAI o3 at $1/M vs $10/M input tokens.
| Spec | GPT-5.6 Luna Pro | OpenAI o3 |
|---|---|---|
| Input price | $1/M tokens | $10/M tokens |
| Output price | $6/M tokens | $40/M tokens |
| Context window | 1.1M tokens | — |
| Released | Jul 2026 | Apr 2025 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna Pro costs 6.7x less per token.
GPT-5.6 Luna Pro is cheaper on both — 10× input, 6.7× output
GPT-5.6 Luna Pro uses 53.7x more emoji