OpenAI
GPT-6 Sol
gpt-6-sol
Total Context
1.1M
Max Output
128K
Released
N/A
Input$2 / M tokens
Output$10 / M tokens
GPT-6 Luna Pro
gpt-6-luna-proGPT-6 Luna Pro is a reasoning-optimized version of GPT-6 Luna, designed to provide stronger problem-solving ability while maintaining the efficiency and affordability of the Luna family. It improves performance on complex instructions, coding tasks, analytical workflows, and lightweight agent applications compared with standard fast inference models. GPT-6 Luna Pro is ideal for developers who need higher-quality responses while maintaining scalability for production workloads. With support for long-context processing, function calling, and structured outputs, GPT-6 Luna Pro provides a balanced solution between intelligence, speed, and cost efficiency.
Context Window
1.1M tokens
Maximum Output
128K tokens
Release Date
Sep 22, 2026
Modalities
GPT-6 Luna Pro Pricing
| Token Tier | Input Price | Output Price | Cache Read | Cache Create 5m |
|---|---|---|---|---|
| <=272K | $0.1/M | $0.5/M | $0.01/M | $0.125/M |
| >272K | $0.2/M | $0.75/M | $0.02/M | $0.25/M |
GPT-6 Luna Pro API Capabilities
Reasoning
Supported
Tool calling
Supported
Temperature parameter
Not supported
Attachments
Supported
Knowledge Base
2026-05-18
Endpoint Protocols
Completions APIResponses APIMessages API
Model Highlights
The model’s key strengths.
Pro Reasoning
Pro mode performs more model work on difficult tasks, with higher latency and token use.
Focused Efficiency
OpenAI positions Luna as its most efficient model for focused, high-volume tasks.
Long Context
The documented context window is 1,050,000 tokens.
Use Cases
Practical workloads for this model.
Difficult Code Review
Review complex changes and reason through possible failure paths.
Multi-Step Research
Compare evidence and work through questions that need extended reasoning.
Large-Document Review
Summarize and compare lengthy source material within the supported context.
How to Use GPT-6 Luna Pro via the TokenHub API
import OpenAI from "openai"
const client = new OpenAI({
apiKey: process.env.TOKENHUB_API_KEY,
baseURL: "https://us-api.tokenhub.com/v1",
})
const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)GPT-6 Luna Pro Benchmarks
| Index score | ||
|---|---|---|
| Artificial Analysis Intelligence Index | Artificial Analysis broad capability aggregate | 33.9 |
Metrics sourced from Artificial Analysis
GPT-6 Luna Pro FAQs
Answers to common model questions.
What is GPT-6 Luna Pro?+
OpenRouter lists GPT-6 Luna Pro as GPT-6 Luna with pro reasoning mode, not a separate underlying OpenAI model.
What is GPT-6 Luna Pro best for?+
Use it when difficult focused work needs extra reasoning and can tolerate slower responses.
Why choose GPT-6 Luna Pro?+
It retains GPT-6 Luna’s foundation while pro mode performs more model work.
What tradeoffs should I consider?+
Pro mode raises latency and token use; compare it with standard mode on your own tasks.
How do I use GPT-6 Luna Pro through TokenHub?+
If it is listed in your TokenHub account, use the exact model ID and endpoint shown there with your credentials.
How should I check pricing and availability?+
Check the live TokenHub model page for your account’s availability and rates; provider prices may differ from TokenHub billing.
Ready to use GPT-6 Luna Pro?
Use one API key to access GPT-6 Luna Pro and more AI models through TokenHub.
GPT-6 Luna Pro Media and Demos
Selected public posts and videos about GPT-6 Luna Pro.
X (Twitter)
Reddit
YouTube