openai
POST /v1/chat/completionsGPT-5.6 Luna Pro
gpt-5.6-luna-proGPT-5.6 Luna Pro is the enhanced version of the Luna series, intended for higher-quality answers, more stable instruction following, and stronger task completion. It is suitable for complex conversations, content generation, knowledge Q&A, business analysis, coding assistance, and multi-step automation tasks. Luna Pro is well suited for product experiences where output quality and user experience matter, such as professional writing assistants, enterprise AI assistants, customer support, knowledge-base systems, and agent workflows. It is a good option when the task requires more reliability than the standard Luna model.
Total Context
1.1Mtokens
Max Output
128Ktokens
Released
Jul 9, 2026
Modalities
GPT-5.6 Luna Pro Price
| Token Tier | Input Price | Output Price | Cache Read | Cache Create 5m |
|---|---|---|---|---|
| <=272K | $1/M | $6/M | $0.1/M | $1.25/M |
| >272K | $2/M | $9/M | $0.2/M | $2.5/M |
GPT-5.6 Luna Pro API
GPT-5.6 Luna Pro Benchmark
33.3
/100
Artificial Analysis Intelligence Index
Artificial Analysis broad capability aggregate
Index score
44.2
/100
Artificial Analysis Coding Index
Artificial Analysis software task aggregate
Index score
Knowledge & Reasoning
GPQA
Advanced science problem solving
83.5%
HLE
Broad expert-level exam set
18.8%
Coding & Engineering
SciCode
Scientific coding challenges
45.6%
Instruction Following & Agent Tasks
AA-LCR
Long-context reasoning
59.3%
Metrics sourced from Artificial Analysis
GPT-5.6 Luna Pro Article
GPT-5.6 Luna Pro FAQs
Common questions about using GPT-5.6 Luna Pro on TokenHub.
What is GPT-5.6 Luna Pro?+
GPT-5.6 Luna Pro is a GPT-5.6 Luna-series model exposed through TokenHub. It is intended for users who need a general AI model for chat, reasoning, writing and API-based workflows.
What is GPT-5.6 Luna Pro best for?+
It is suitable for conversational assistants, content drafting, summarization, structured data extraction, code help and multi-step task automation.
What are the strengths of GPT-5.6 Luna Pro?+
Its strengths are general-purpose task coverage, clear instruction following and flexible integration through TokenHub. The Pro version is generally a better fit when you want higher-quality outputs and can accept potentially higher cost or latency.
What limitations or tradeoffs should I consider with GPT-5.6 Luna Pro?+
As with any AI model, review important outputs for accuracy, test prompts with your own data and compare latency, cost and quality against alternatives before production use.
How do I use GPT-5.6 Luna Pro through the TokenHub API?+
Select "GPT-5.6 Luna Pro" as the model in your TokenHub request, use your account endpoint and credentials, and set parameters such as temperature, max tokens and streaming according to your application needs.
How should I choose between GPT-5.6 Luna Pro and related GPT-5.6 models?+
Start with a small evaluation set that reflects your real tasks. Choose the model that gives the best balance of answer quality, reliability, latency and cost for your workload.