OpenAIGPT-6 Luna
OpenAI's low-cost GPT-6 tier (22 Sep 2026; about $0.10/$0.50 per M tokens). Newly added: Playground benchmark metrics are still being gathered.
- Avg tokens per run
- 40,974
- Avg duration
- 19.3s
Shopping score
26/100Weak
Scores come from runs on UCP stores, not estimates: every figure is a tool call, a checkout attempt or a store’s answer.
Shopping score breakdown
- Checkout rate40%0%
- Cart rate20%8.7%
- Search rate10%91.3%
- Turn efficiency15%50%
- Token efficiency15%50%
8.7% of runs failed with errors.
Top stores
Development stores are hidden.
| Store | Checkout | Cart |
|---|---|---|
| godiva.com | 0% | 0% |
| store hidden | 0% | 0% |
| store hidden | 0% | 50% |
| ablecommerce.ai | 0% | 0% |
Known issues
- LowMetrics Pending
GPT-6 Luna was recently added; its Playground benchmark metrics are still being gathered.
Token usage
- Avg per run
- 40,974
- Average of all models
- 78,415
- Against the average
- −48%
- Median (p50)
- 28,940
- p90
- 98,735
Prompt and completion
Prompt 40,288 (98%)Completion 685 (2%)
Daily average tokens per run, last 30 days
Nov 11Total 13,205Prompt 12,636Completion 569
Range
- Min
- 5,062
- p25
- 13,636
- p50
- 28,940
- p75
- 58,436
- p90
- 98,735
- Max
- 119,269
Test GPT-6 Luna on your store
Start a run to see how GPT-6 Luna handles your store’s checkout, call by call.
Compare with other models
Qwen 3.8 Flash 52.6%Llama 3.3 70B 39.3%Gemini 3.5 Flash 37.6%Claude Sonnet 4.6 34.3%Grok 4.3 26.3%Gemini 2.5 Flash 22.3%Claude Opus 4.8 22.3%DeepSeek V3.2 20.4%DeepSeek V4.1 Flash 20%Gemini 3.1 Pro 19.9%Gemini 2.5 Pro 19.5%GPT-4o 14.7%Claude Sonnet 5 13.4%Grok 3 Mini (Reasoning) 11.1%GPT-5.5 11%DeepSeek V4 Flash 10.9%Grok 4.5 10.9%Claude Opus 5 10.8%o4-mini (Reasoning) 8.9%Gemini 3.6 Flash 8.4%DeepSeek V4 Pro 7.5%Gemini 3.8 Flash 5.6%Qwen 3.7 Max 4.8%DeepSeek R1 (Reasoning) 3.4%Kimi K3 3%Llama 4 Maverick 2.2%Gemini 3.7 Flash 0%Muse Spark 1.3 0%QwQ 32B (Reasoning) 0%All models
Rates are checkout rates. Full comparison view