Context
1.1M
Max output
128K
Serving providers
2
Cheapest input
$1.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: ARC Prize and Artificial AnalysisSpeed & latency
Output speed
221 t/s
tokens / second
Time to first token
27.51s
latency
Headline indices
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ARC-AGI-2 | 60% | max | $0.670 | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| CritPt | 21% | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| GDPval | 1591.8 | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| GPQA Diamond | 91% | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| Humanity's Last Exam | 37% | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| IT-Bench SRE | 40% | default | — | |||||||||||||||||||||||||||||
| Long-Context Reasoning | 74% | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| MMMU-Pro | 79% | xhigh | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| Omniscience | -11.2 | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| SciCode | 53% | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| TerminalBench v2.1 | 81% | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| τ-bench Banking | 27% | default | — | |||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AzureCheapest | $1.00 | $6.00 | 1 | |||||||||||||
| ||||||||||||||||
| OpenAICheapest | $1.00 | $6.00 | 1 | |||||||||||||
| ||||||||||||||||
Price history
input + output $/1M since we started tracking Input Output
Cost calculator
estimate your monthly spend on this model$680
estimated / month
Model IDs
copy the exact identifier for your platformazure/gpt-5.6-lunagpt-5.6-luna
Frequently asked questions
GPT-5.6 Luna pricing, context and availabilityHow much does GPT-5.6 Luna cost?
GPT-5.6 Luna costs $1.00 per 1M input tokens and $6.00 per 1M output tokens at its cheapest provider via Azure.
What is the context window of GPT-5.6 Luna?
GPT-5.6 Luna accepts up to 1.1M tokens of context and can return up to 128K output tokens.
Which providers serve GPT-5.6 Luna?
GPT-5.6 Luna is available from 2 serving providers, each with its own pricing and model ID. Azure is currently the cheapest.
What can GPT-5.6 Luna do?
GPT-5.6 Luna supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.
Other OpenAI models
compare pricing across the OpenAI lineup Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
Every weekday
AI moves fast. Here's your debrief.
News, analysis, tools, and more.
For people who build with AI