gpt-5.6-luna API pricing
Blended at 3:1 input to output: $0.450 per million tokens.
OpenAI charges $0.200 per million input tokens and $1.20 per million output tokens. 5 of the models nearest it in price are cheaper on a blended basis.
Against the models nearest in price
Blended at a 3:1 input to output ratio.
| Source | ||||||
|---|---|---|---|---|---|---|
| gpt-5.6-luna This model | OpenAI | $0.200 | $1.20 | 922,000 | $0.450 | ↗ |
| deepseek-v3.1-terminus | OpenRouter | $0.270 | $1.00 | 163,840 | $0.453 | ↗ |
| deepseek-chat-v3-0324 | OpenRouter | $0.250 | $1.00 | 65,536 | $0.438 | ↗ |
| gpt-5.4-nano | OpenAI | $0.200 | $1.25 | 272,000 | $0.463 | ↗ |
| deepseek-v3 | DeepSeek | $0.270 | $1.10 | 65,536 | $0.477 | ↗ |
| Llama-4-Maverick-17B-128E-Instruct-FP8 | Together AI | $0.270 | $0.850 | — | $0.415 | ↗ |
| llama-3.1-70b-instruct | OpenRouter | $0.400 | $0.400 | 131,072 | $0.400 | ↗ |
| deepseek-chat-v3.1 | OpenRouter | $0.200 | $0.800 | 163,840 | $0.350 | ↗ |
| llama-4-maverick | OpenRouter | $0.200 | $0.696 | 1,048,576 | $0.324 | ↗ |
Last checked . Methodology
Questions
How much does gpt-5.6-luna cost per million tokens?
$0.200 per million input tokens and $1.20 per million output tokens, with cached input at $0.020. At a 3:1 input to output mix that blends to $0.450. Checked 12 Sept 2026.
What would gpt-5.6-luna cost for a real workload?
A thousand requests a day at 2,000 input and 600 output tokens each comes to $33.60 a month.
What is the context window for gpt-5.6-luna?
922,000 tokens of input, with up to 128,000 tokens of output.
deepseek-v3.1-terminus · deepseek-chat-v3-0324 · gpt-5.4-nano · deepseek-v3 · Llama-4-Maverick-17B-128E-Instruct-FP8 · All OpenAI models · Cost calculator