GPT-5.6 Luna Pro

Updated Oct 4, 2026

gpt-luna1.1M context128k max outputreleased Jul 9, 2026ReasoningTool calling

As of Oct 4, 2026, the cheapest GPT-5.6 Luna Pro API price is $0.2 per 1M input tokens (302.AI) and $1.2 per 1M output tokens (302.AI). GPT-5.6 Luna Pro is offered by 4 providers in the gpt-luna family, reasoning enabled.

Cheapest input

$0.2

302.AI

Cheapest output

$1.2

302.AI

Official

—

output per 1M tokens

Providers

offering this model

Spread

1.3×

max / min output

API pricing by provider

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.

GPT-5.6 Luna Pro API prices by provider in USD per 1M tokens, updated Oct 4, 2026
Provider	1M input	1M output	1M cache read	1M cache write	Context
302.AI	Cheapest$0.2	Cheapest$1.2	—	—	1.1M
NanoGPT	$0.2	$1.2	$0.02	$0.25	1.1M
OpenRouter	^†$0.2	$1.2	$0.02	$0.25	1.1M
Venice AI	^†$0.25	$1.5	$0.025	$0.3125	1.0M

GPT-5.6 Luna Pro pricing FAQ

What is the cheapest GPT-5.6 Luna Pro API?

As of Oct 4, 2026, 302.AI has the lowest GPT-5.6 Luna Pro output price at $1.2 per 1M tokens, and 302.AI has the lowest input price at $0.2 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

How many providers offer GPT-5.6 Luna Pro?

4 providers list GPT-5.6 Luna Pro on Sovyron; 4 of them sell it at a metered per-token price.

Is GPT-5.6 Luna Pro free?

No provider in the Sovyron catalog lists a free tier for GPT-5.6 Luna Pro.

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

GPT-5.6 Luna Pro supports a 1.1M-token context window and up to 128k output tokens.