GPT-5.6 Luna
Model overview
gpt-5.6-luna
The efficient GPT-5.6 tier for high-volume, cost-sensitive workloads.
general LLMreasoningcodingvision-languageagentcomputer uselong contextchatcode generationsoftware engineering agentdata analysisdocument understandingenterprise access
Representative version
gpt-5.6-luna
| Company | OpenAI |
|---|---|
| Release | 2026-07-09 |
| Release type | Model release |
| Parameters | Not disclosed |
| Architecture | Not disclosed |
| Context | 1,050,000 |
| Input modalities | text / image |
| Output modalities | text |
| Tool use / function calling | Confirmed: Tool use, Function calling |
| Structured output / reasoning | Confirmed: Structured output, Reasoning |
| Vision / audio / video | Confirmed: Vision; Not shown: Audio, Video |
| Open weights / License | No open weights currently / weight license not disclosed openai-gpt-5-6-luna-current · License not applicable |
| Vendor API | Available GPT-5.6 Luna Model | OpenAI APIopenai-gpt-5-6-luna-current · 2026-07-09 |
| OpenRouter | OpenRouter listed |
| Pricing | Official · 2026-07-09: $1 / $6 OpenRouter · 2026-08-11: $0.1 / $0.6 input / output, per 1M tokens |
| Benchmark | No reliable public source |
| Public signals | No reliable public source |
| Use cases | Complex professional work / Agentic coding / Long-context analysis / Computer use |
| Claim evidence | Release event / Model specificationsGPT-5.6 Luna Model | OpenAI APIgpt-5.6-luna · 2026-07-09 · GPT-5.6 Luna · gpt-5.6-luna OpenRouter context / capabilities / pricingOpenRouter public models APIopenai/gpt-5.6-luna · 2026-08-11T06:28:09.895Z |
OpenRouter
Pricing / context / availability
| OpenRouter | OpenRouter listed |
|---|---|
| OpenRouter listing | openai/gpt-5.6-luna |
| Mapped version | gpt-5.6-luna openai-gpt-5-6-luna-current |
| Pricing | Official · 2026-07-09: $1 / $6 OpenRouter · 2026-08-11: $0.1 / $0.6 input / output, per 1M tokens |
| Context | 1050000 |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-08-11T06:28:09.895Z |
| Source | View source |
Source-bounded public ranking
OpenRouter weekly token-usage ranking
| Source | Model / version | Metric | Rank | Value | Checked | Link |
|---|---|---|---|---|---|---|
| OpenRouter | OpenAI: GPT-5.6 Luna 0709 openai-gpt-5-6-luna-current | Weekly token usage on OpenRouter public rankings API | 5 | 4,670,243,921,652 tokens | 2026-08-11 | View source |
OpenRouter weekly prompt-plus-completion token usage only; this is not a model-quality or whole-market ranking.
Verified limitations
Usage boundaries
- Closed-source parameter counts are not officially disclosed.
Missing public information
Public information not yet available
Parameter scale not disclosedNo reliable benchmark sourceNo public model-card activity countersNo linkable model-specific reviewSpeed/latency not disclosed