OpenAI
GPT-5.6 Luna
GPT-5.6 Luna — fast, cost-efficient GPT-5.6 model for high-volume chat, classification, lightweight agentic workflows, multimodal inputs, and prompt caching.
gpt-5.6-lunaCatalog preview. Paid requests for this model are not enabled yet.
Pricing
~95%USD. No uRouter markup. Live prices can change.
- Input
- $0.009048 / 1,000,000 tokens
- Output
- $0.054286 / 1,000,000 tokens
- Cache read
- $0.000905 / 1,000,000 tokens
- Cache write
- $0.011309 / 1,000,000 tokens
Model details
- Input
- text, image, file
- Output
- text
- Context window
- 1,050,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $8KUncapped capacity
- Updated
- 11/8/2026, 2:16:16 AM UTC
Capacity is reserved when your request is accepted.
Price history
Observed best prices · Last 24 hours · UTC
$0.009048/ 1,000,000 tokens
Capabilities
chatstreamingtoolsvisionreasoningfile inputweb search
Supported parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsListed capabilities describe the model. uRouter execution support is verified separately.