GPT-5.6 Luna pricing & price history
GPT-5.6 Luna by OpenAI costs $0.20 per 1M input tokens and $1.20 per 1M output tokens, with a 1.1M token context window. The cheapest provider currently charges $0.10 input / $0.60 output.
Price history
No price changes since tracking began on 2026-09-24. We check hourly.
Providers serving GPT-5.6 Luna (7)
| Provider | Input | Output | Context | Uptime 30m | Uptime 24h |
|---|---|---|---|---|---|
| OpenAI | $0.10 | $0.60 | 1.1M | 100.0% | 99.7% |
| Azure | $0.20 | $1.20 | 1.1M | 99.7% | 99.3% |
| OpenAI | $0.20 | $1.20 | 1.1M | 99.8% | 100.0% |
| Azure | $0.22 | $1.32 | 1.1M | 100.0% | 100.0% |
| Amazon Bedrock | $0.22 | $1.32 | 1.1M | 100.0% | 100.0% |
| Azure | $0.22 | $1.32 | 1.1M | 100.0% | 98.7% |
| OpenAI | $0.40 | $2.40 | 1.1M | 100.0% | 100.0% |
Provider availability updated 55m ago.
Cost calculator
Cheaper alternatives to GPT-5.6 Luna
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
O GPT-6 Luna OpenAI | $0.10 | $0.50 | 1.1M | 37.3 | compare |
D DeepSeek V4.1 Flash DeepSeek | $0.14 | $0.42 | 1M | 39.5 | compare |
Z GLM 5.3 Flash Z.ai (Zhipu) | $0.15 | $0.50 | 1.3M | 41.8 | compare |
About GPT-5.6 Luna
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...
FAQ
How much does GPT-5.6 Luna cost?
GPT-5.6 Luna by OpenAI costs $0.20 per 1M input tokens and $1.20 per 1M output tokens, with a 1.1M token context window. The cheapest provider currently charges $0.10 input / $0.60 output. A typical request with 2,000 input and 500 output tokens costs about $0.001.
What is the context window of GPT-5.6 Luna?
GPT-5.6 Luna supports up to 1,050,000 tokens of context and up to 128,000 output tokens per request.
Has GPT-5.6 Luna’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is GPT-5.6 Luna being deprecated?
No retirement date has been announced for GPT-5.6 Luna as of 2026-09-24.
What are cheaper alternatives to GPT-5.6 Luna?
Cheaper options include GPT-6 Luna ($0.10/$0.50), DeepSeek V4.1 Flash ($0.14/$0.42), GLM 5.3 Flash ($0.15/$0.50).