Models
GPT-5.6 Luna
Model id: gpt-5.6-luna
- Agentic
- Cost
- Fast
- Vision
- Multimodal
OpenAI’s cheapest GPT-5.6 tier for high-volume routing, classification, and light chat.
Best for
high-QPS helpers, triage, and cost-sensitive sub-agents.
- Provider
- OpenAI
- Context window
- 1,050,000
- Release date
- 2026-07-09
- Reasoning effort
- nonelowmediumhighxhighmaxDefault: medium
Pricing
Input
$0.3085 / 1M
Cached input
$0.0308 / 1M
Output
$1.8508 / 1M
Cache write
$0.3856 / 1M
Long-context rate (above 272,000 tokens)
Input
$0.6169 / 1M
Output
$2.7762 / 1M
Cached input
$0.0617 / 1M
Cache write
$0.7712 / 1M
Web search
Per successful search
$0.0154 / search
Billed on top of tokens when the model uses web search.
Amounts in Canadian dollars, converted at the Bank of Canada indicative rate (2026-09-21).
Performance
Reading
Last 7 days
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Activity
Tokens
—
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Top 5 tools · last 7 days
Not enough data to display tool activity.
Availability
Availability (%)
Last 7 days
- Operational probes
- 99.98% over 7 days
- Samples
- 9,210
Quick start
Call the API with a tonia_ key and the exact model id below.
curl
curl https://pass.tonia.ca:8443/v1/chat/completions \
-H "Authorization: Bearer $TONIA_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.6-luna",
"messages": [
{
"role": "user",
"content": "Bonjour"
}
]
}'Python (OpenAI SDK)
import os
from openai import OpenAI
client = OpenAI(
base_url="https://pass.tonia.ca:8443/v1",
api_key=os.environ["TONIA_API_KEY"],
)
response = client.chat.completions.create(
model="gpt-5.6-luna",
messages=[{"role": "user", "content": "Bonjour"}],
)TypeScript (OpenAI SDK)
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://pass.tonia.ca:8443/v1",
apiKey: process.env.TONIA_API_KEY,
});
const response = await client.chat.completions.create({
model: "gpt-5.6-luna",
messages: [{ role: "user", content: "Bonjour" }],
});