openai/gpt-5.6-luna-pro
Release date: 2026-07-09
1,050,000 context · $0.20/M input tokens · $1.20/M output tokens
GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Pricing
Pay-per-use
No upfront costs, pay only for what you use
Try the model
API Usage
Use the following code examples to integrate with our API:
import OpenAI from 'openai';
if (!process.env.WAVESPEED_API_KEY) throw new Error('Set WAVESPEED_API_KEY');
const client = new OpenAI({
apiKey: process.env.WAVESPEED_API_KEY,
baseURL: 'https://llm.wavespeed.ai/v1',
timeout: 120_000,
maxRetries: 2,
});
try {
const response = await client.chat.completions.create({
model: 'openai/gpt-5.6-luna-pro',
messages: [{ role: 'user', content: 'Hello!' }],
});
console.log(response.choices[0]?.message?.content ?? '');
} catch (error) {
console.error('LLM request failed:', error);
process.exitCode = 1;
}import OpenAI from 'openai';
if (!process.env.WAVESPEED_API_KEY) throw new Error('Set WAVESPEED_API_KEY');
const client = new OpenAI({
apiKey: process.env.WAVESPEED_API_KEY,
baseURL: 'https://llm.wavespeed.ai/v1',
timeout: 120_000,
maxRetries: 2,
});
try {
const response = await client.chat.completions.create({
model: 'openai/gpt-5.6-luna-pro',
messages: [{ role: 'user', content: 'Hello!' }],
});
console.log(response.choices[0]?.message?.content ?? '');
} catch (error) {
console.error('LLM request failed:', error);
process.exitCode = 1;
}Model Introduction
OpenAI: GPT-5.6 Luna Pro
GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
This model is imported from OpenRouter metadata and exposed through the WaveSpeed AI OpenAI-compatible API for chat completions and compatible application workflows.
Why It Looks Great
- text+image+file->text architecture for file, Image, Text to Text workloads
- 1050000 context window for long prompts, document analysis, and multi-turn workflows
- Competitive pricing at $0.2/$1.2 per million tokens
- Vision input support for image understanding and multimodal tasks
- Function calling and tool-use support for agentic application workflows
- Structured output support for JSON responses and schema-constrained generation
- Reasoning controls available through supported OpenRouter parameters
Key Features
- Context Window: 1050000 tokens
- Max Input: 922000 tokens
- Max Output: 128000 tokens
- Vision: Supported
- Function Calling: Supported
- Structured Outputs: Supported
- Image Generation: Not listed
- Audio Input: Not listed
- Supported Parameters: include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools
Specifications
| Specification | Value |
|---|---|
| Provider | openai |
| Model Type | Chat Completions model |
| Architecture | text+image+file->text |
| Context Window | 1050000 tokens |
| Max Input | 922000 tokens |
| Max Output | 128000 tokens |
| Input | file, Image, Text |
| Output | Text |
| Vision | Supported |
| Function Calling | Supported |
| Structured Outputs | Supported |
| OpenRouter Created | July 9, 2026 |
Pricing
| Token Type | Cost |
|---|---|
| Input | $0.2 per million tokens |
| Output | $1.2 per million tokens |
| Cached Input | $0.02 per million tokens |
| Cache Write (5m) | $0.25 per million tokens |
| Web Search | $20000 per million tokens |
Note: Pricing is generated from OpenRouter model metadata. If multiple upstream providers expose different endpoint prices, review and adjust the price before publishing.
How to Use
- Write your prompt - describe the task, provide context, and specify the desired output format.
- Submit - the model processes your request and returns the response.
API Integration
Base URL: https://llm.wavespeed.ai/v1 API Endpoint: chat/completions Model ID: openai/gpt-5.6-luna-pro
API Usage
Python SDK
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://llm.wavespeed.ai/v1"
)
response = client.chat.completions.create(
model="openai/gpt-5.6-luna-pro",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)cURL
curl https://llm.wavespeed.ai/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "openai/gpt-5.6-luna-pro",
"messages": [{"role": "user", "content": "Hello!"}]
}'Notes
- Model: openai/gpt-5.6-luna-pro
- Provider: openai
- OpenRouter marks the top provider as moderated
- Endpoint availability and provider-specific routing may change on OpenRouter
Sources: OpenRouter model metadata.
Info
Supported Functionality
API Access Guide
GPT 5.6 Luna Pro API
openai/gpt-5.6-luna-pro
GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Input
$0.2 /M
Output
$1.2 /M
Context
1050K
Max Output
128K
Vision
Supported
Tool Use
Supported
Try GPT 5.6 Luna Pro on WaveSpeedAI
Access GPT 5.6 Luna Pro through our unified API — OpenAI-compatible, no cold starts, transparent pricing.
Frequently Asked Questions about GPT 5.6 Luna Pro
How much does GPT 5.6 Luna Pro cost via the API?+
Pricing on WaveSpeedAI: $0.20 per million input tokens and $1.20 per million output tokens. Prompt caching and batch processing are billed separately and reduce effective cost on long, repetitive workloads.
What is the context window of GPT 5.6 Luna Pro?+
GPT 5.6 Luna Pro supports up to 1050K tokens of context with up to 128K tokens of output per request.
Is GPT 5.6 Luna Pro OpenAI-compatible?+
WaveSpeedAI exposes GPT 5.6 Luna Pro at https://llm.wavespeed.ai/v1 through the OpenAI-compatible Chat Completions interface. Most OpenAI SDK clients work by changing the base URL and API key; optional fields depend on the selected model.
How do I get started with GPT 5.6 Luna Pro?+
Sign in to WaveSpeedAI, create an API key in Access Keys, then send a request to https://llm.wavespeed.ai/v1/chat/completions with the model id shown above. Check the current model catalog for availability, capabilities, and pricing.