GPT-5.6 Luna

GPT-5.6 家族轻量款，响应迅捷、成本更低，适合高并发与快速问答。

Model ID: gpt-5.6-luna · Type: chat · Provider: OpenAI

Endpoints: /v1/chat/completions · /v1/responses · /v1/messages

Pricing

Input (per 1M tokens)$0.65 USD
Output (per 1M tokens)$3.9 USD
Cache read (per 1M tokens)$0.065 USD
Cache write 5m (per 1M tokens)$0.8125 USD

Context tiers

≤ 272000 tokens$0.65 / 1M in$3.9 / 1M out
> 272000$1.3 / 1M in$5.85 / 1M out
from openai import OpenAI

client = OpenAI(api_key="sk-...", base_url="https://api.router.ai/v1")
resp = client.chat.completions.create(
    model="gpt-5.6-luna",
    messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)

FAQ

How much does GPT-5.6 Luna cost on 188pay.ai?

GPT-5.6 Luna (`gpt-5.6-luna`) is billed per usage at $0.65/1M in · $3.9/1M out, in USD. Current pricing is always listed at https://188pay.ai/models/gpt-5.6-luna.

How do I call GPT-5.6 Luna through 188pay.ai?

Send a request to https://api.router.ai/v1/v1/chat/completions with the header `Authorization: Bearer <your API key>` and `"model": "gpt-5.6-luna"`. The API is OpenAI-compatible, so any OpenAI SDK works by changing base_url to https://api.router.ai/v1 — no other code change.

Which endpoints does GPT-5.6 Luna support?

GPT-5.6 Luna can be called on: /v1/chat/completions; /v1/responses; /v1/messages.

What is GPT-5.6 Luna's context window?

GPT-5.6 Luna accepts up to 922,000 input tokens and can return up to 128,000 output tokens. Requests exceeding the input limit are rejected before reaching the model.

What can GPT-5.6 Luna do?

GPT-5.6 Luna supports: vision, function_calling, prompt_caching.

Who makes GPT-5.6 Luna?

GPT-5.6 Luna is a chat model from OpenAI, available through the 188pay.ai gateway with the same API key as every other model.

Call it through the 188pay.ai OpenAI-compatible endpoint (API base: https://api.router.ai/v1). AI agents can discover and call every model on this gateway through MCP (https://mcp.router.ai/mcp) with no manual integration.

Which should you pick

API reference · All models