GPT-5.6 Luna pricing & benchmarks
Released Jul 9, 2026 · served by 2 providers · ranked #12 by intelligence in our index
What GPT-5.6 Luna is
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...
- Model ID:
openai/gpt-5.6-luna - Modality: text+image+file->text
- Knowledge cutoff: 2026-02-16
- Tool calling: supported · Structured output: supported
Providers and prices for GPT-5.6 Luna
The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.
| Provider | Input | Output | Context | Quant | Uptime 24h | Throughput |
|---|---|---|---|---|---|---|
| OpenAIcheapest | $1.00 | $6.00 | 1.1M | — | 97.9% | — |
| Azure | $1.10 | $6.60 | 1.1M | — | 100.0% | — |
Cheaper models in the same class
Models scoring within 4 points of GPT-5.6 Luna on the Intelligence Index, but with a lower output price.
Compare GPT-5.6 Luna head-to-head
FAQ
How much does the GPT-5.6 Luna API cost?
$0.500 per 1M input tokens and $3.00 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $1.40.
Is GPT-5.6 Luna free?
No. It is a paid model starting at $0.500 per 1M input tokens, though some providers offer trial credits.
Which provider is cheapest for GPT-5.6 Luna?
OpenAI at $1.00 input / $6.00 output per 1M tokens.
Can I self-host GPT-5.6 Luna?
No. GPT-5.6 Luna is closed-weight and only available through hosted APIs.