OpenAI · Model identity
GPT-6 Luna
GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...
2pricing routes
What published route metadata supports
CachingFile inputReasoningStructured outputTool useVisionWeb search
Input modalities
FilesImageText
Supported API parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-09-22
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare GPT-6 Luna with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterBatch | openai/gpt-6-luna:batch | $0.05 | $0.005 | $0.25 | 1.05M | OpenRouter API ↗ |
| OpenRouterStandard | openai/gpt-6-luna | $0.1 | $0.01 | $0.5 | 1.05M | OpenRouter API ↗ |
0 verified price changes since Aug 26, 2026
2 route availability changes recorded. No earlier prices are inferred.
- Sep 23, 2026OpenRouter · Standard
New pricing route added
- Sep 23, 2026OpenRouter · Batch
New pricing route added