OpenAI
GPT-5.6 Luna
Released 2026-07-09 · Knowledge up to 2026-02-16
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
You send / 1M
$0.200
tokens in
It replies / 1M
$1.20
tokens out
Memory
1.05M
tokens it can read at once
Typical request
$0.0009
1,000 words in, 400 out
Data privacy
No training or retention: Yes. At least one provider serves it with zero data retention.
| Provider | You send / 1M | It replies / 1M | Uptime | Privacy policy |
|---|---|---|---|---|
| Azure | $0.200 | $1.20 | 100% | Read |
| Azure | $0.220 | $1.32 | 100% | Read |
| Azure | $0.220 | $1.32 | 100% | Read |
Based on OpenRouter and Vercel AI Gateway data. Confirm terms with the provider before sending sensitive data.
What it can do
- Reads: file, image, text
- Writes: text
- Reasoning: Yes
- Tool calling: Yes
- Longest reply: 128K tokens
- Repeated text is billed at $0.020 per 1M (prompt caching)
- Intelligence score: 37.3 / 100 (Artificial Analysis)
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Appears in
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