OpenAI/ GPT
GPT-5.6 Luna
openai/gpt-5.6-luna
Cost-efficient GPT-5.6 model for fast, high-volume workloads
Released
2026-07-09
Context window
1.1M
Max output
128K
Weights
Closed
Modalities
Input
TextImageDocument
Output
Text
Identity
- Version
- gpt-5.6-luna
- Knowledge cutoff
- 2026-02-16
- Aliases
- GPT-5.6 Luna
Providers
| Provider | Provider model ID | Protocol | Context | Max output | Input | Output | Capabilities | Notes | Pricing | Streaming |
|---|---|---|---|---|---|---|---|---|---|---|
| CrossModel | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M · cache write $0.25/M | Yes |
| OpenCode Go | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.1/M · cache read $0.01/M output $0.6/M · cache write $0.125/M | Yes |
| Vivgrid | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1/M · cache read $0.1/M output $6/M · cache write $1.25/M | Yes |
| LLM Gateway | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M · cache write $0.25/M | Yes |
| Kenari | gpt-5-6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0/M output $0/M | Yes |
| OpenCode Zen | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M · cache write $0.25/M | Yes |
| GitHub Copilot | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M | Yes |
| AI-ROUTER | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1/M · cache read $0.1/M output $6/M · cache write $1.25/M | Yes |
| ZenMux | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1/M · cache read $0.1/M output $6/M · cache write $1.25/M | Yes |
| Abacus | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1/M · cache read $0.1/M output $6/M | Yes |
| Azure Cognitive Services | gpt-5.6-luna | custom | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1/M · cache read $0.1/M output $6/M · cache write $1.25/M | Yes |
| Azure | gpt-5.6-luna | openai_responses | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1/M · cache read $0.1/M output $6/M · cache write $1.25/M | Yes |
| AIHubMix | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1/M · cache read $0.1/M output $6/M · cache write $1.25/M | Yes |
| Ofox | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M · cache write $0.25/M | Yes |
| routing.run | gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | Interleaved output | input $0.7/M output $4.2/M | Yes |
| Merge Gateway | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M | Yes |
| Vercel AI Gateway | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M · cache write $0.25/M | Yes |
| OpenRouter | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | Moderated, Default reasoning: medium | input $0.1/M · cache read $0.01/M output $0.6/M · cache write $0.125/M | Yes |
| Cloudflare AI Gateway | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1/M · cache read $0.1/M output $6/M | Yes |
| OpenAI | gpt-5.6-luna | openai_responses | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M · cache write $0.25/M | Yes |
| NanoGPT | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.1/M · cache read $0.01/M output $0.6/M · cache write $0.125/M | Yes |
| Kilo Gateway | openai/gpt-5.6-luna | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.2/M · cache read $0.02/M output $1.2/M · cache write $0.25/M | Yes |
Capabilities
AttachmentsReasoningTool callStructured
Official price
input $0.2/M · cache read $0.02/M
output $1.2/M · cache write $0.25/M