GPT 5.6 Luna API price
gpt-5.6-luna
The cheapest GPT 5.6 Luna API is $0.08/M input at Cheaper Inference (discount marketplace) - all 5 providers compared below, per 1M tokens.
SmallOpenAI1.1M context5 sellers
Input
$0.08
per 1M tokens · Cheaper Inference (discount marketplace)
up to $1.00
Output
$0.48
per 1M tokens · Cheaper Inference (discount marketplace)
up to $6.00
Where to buy it
Cheapest GPT 5.6 Luna API providers compared - 5 sellers, from $0.08/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| Cheaper Inference (discount marketplace)60% off | 0.080cheapest | 0.480 | 0.0080 | |
| Official - OpenAI | 0.200 | 1.20 | 0.020 | |
| Batch | 0.100 | 0.600 | 0.010 | |
| Flex | 0.100 | 0.600 | 0.010 | |
| Priority | 0.400 | 2.40 | 0.040 | |
| OrcaRouter (aggregator) | 0.200 | 1.20 | - | |
| TokenRouter (aggregator) | 0.200 | 1.20 | 0.020 | |
| GMI Cloud (featured list) | 1.00 | 6.00 | - |
12.5× between the cheapest and the dearest of 5 sellers.
Against its tier
- This model$0.56
- Cheapest · DeepSeek V4 Flash (0731 snapshot)$0.126
- Tier median · GPT 5.4 Nano (latest)$1.1682
- Dearest · GPT 5.4 Mini (03-17 snapshot)$5.25
#8 of 18 small · cheaper than 59%
Details
- Context window
- 1.1M1,050,000 tokens
- Developer
- OpenAI
- Intelligence
- 37.5max
- Sellers
- 512.5× spread
- Cached input
- $0.008where the source publishes one
- Cheapest at
- Cheaper Inference (discount marketplace)
- Combined
- $0.56in + out per 1M
- Last checked
- 2026-09-17