OpenAI · OpenAI · catalog 2026-09-14
| GPT-5.6 Luna (Non-reasoning) | o4-mini (high) | |
|---|---|---|
| Speed (tok/s) | 104.3 measured | 135.6 measured |
| Blended $/M | $0.174 derived | $0.856 derived |
| Intelligence index | 16.8 measured | 16.7 measured |
| TTFT (ms) | 9 measured | 217 measured |
| Context | — | 200k list |
| Coding index | not measured for both | |
| Agentic index | not measured for both | |
GPT-5.6 Luna (Non-reasoning) card · o4-mini (high) card · 3D observatory
Verdicts use price×intelligence dominance only, and only where both sides are measured; null cells stay null with their provenance (em-dash = not in catalog). Percentile-free by design — this page compares two models, not the field. Generated page — do not hand-edit.