GPT-5.6 Luna Pro

OpenAIFirst listed Jul 2026

Vision Tool use Reasoning Prompt caching Structured output Web search

Compare GPT-5.6 Luna Pro Count tokens for GPT-5.6 Luna Pro

Context

1.1M

Max output

128K

Serving providers

Cheapest input

$0.20 /1M

On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand

Serving provider

Input /1M

Output /1M

Endpoints

OpenRouterRouted quote

$0.20

$1.20

Standardopenai/gpt-5.6-luna-pro

Component	Unit	Standard
Text cached in	/1M tok	$0.02
Text input	/1M tok	$0.20
Text output	/1M tok	$1.20

OpenRouter (batch)

$0.10

$0.60

Price history

OpenRouter routed quote

OpenRouter's price is a routed quote. It moves with whichever upstream route OpenRouter prefers that day, so we do not track it as a price history.

Cost calculator

estimate your monthly spend on this model

Input tokens / call

Output tokens / call

Calls / month

Serving provider

$136

estimated / month

Model IDs

copy the exact identifier for your platform

openai/gpt-5.6-luna-pro:batchopenai/gpt-5.6-luna-pro

Frequently asked questions

GPT-5.6 Luna Pro pricing, context and availability

How much does GPT-5.6 Luna Pro cost?

GPT-5.6 Luna Pro costs $0.20 per 1M input tokens as an OpenRouter routed quote, and $1.20 per 1M output tokens as an OpenRouter routed quote. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.

What is the context window of GPT-5.6 Luna Pro?

GPT-5.6 Luna Pro accepts up to 1.1M tokens of context and can return up to 128K output tokens.

What can GPT-5.6 Luna Pro do?

GPT-5.6 Luna Pro supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.

Other OpenAI models

compare pricing across the OpenAI lineup

gpt-oss-120b$0.03/1M · 23 providers gpt-oss-20b$0.0145/1M · 15 providers GPT-5 Mini$0.25/1M · 9 providers GPT-5$1.25/1M · 9 providers GPT-5 Nano$0.05/1M · 8 providers GPT-5.6 Luna$0.20/1M · 7 providers GPT-5.6 Terra$2.00/1M · 7 providers GPT-4o-mini$0.15/1M · 6 providers

Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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