OpenAI: GPT Luna Latest pricing and limits

id ~openai/gpt-luna-latest · listed 2026-09-11

Input (per 1M tokens)	$0.100
Output (per 1M tokens)	$0.500
Cached input read (per 1M)	$0.010
Cache write (per 1M)	$0.125
Context window	1,050,000 tokens
Max output	128,000 tokens
Modalities	file+image+text → text
Reasoning	yes

What 1,000 calls cost at 1,000 input and 300 output tokens each: $0.25.

This model always redirects to the latest model in the GPT Luna family.

Cheaper on both input and output, with at least half the context

Model	In / 1M	Out / 1M	Context
Auto Router (Beta)	$-1000000.000	$-1000000.000	2,000,000
Pareto Code Router	$-1000000.000	$-1000000.000	2,000,000
Auto Router	$-1000000.000	$-1000000.000	2,000,000
OpenAI: GPT-6 Luna Pro (batch)	$0.050	$0.250	1,050,000
OpenAI: GPT-6 Luna (batch)	$0.050	$0.250	1,050,000
DeepSeek: DeepSeek V4.1 Flash (batch)	$0.050	$0.150	1,048,576

Other ~openai models

OpenAI: GPT Mini Latest ($0.750 / $4.500) · OpenAI: GPT Sol Latest ($2.000 / $10.00) · OpenAI: GPT Terra Latest ($2.000 / $12.00) · OpenAI: GPT Astra Latest ($10.00 / $50.00)

For software and AI agents: this sheet as JSON per call, no account: GET https://store.agentexchange.work/gw/models/model?id=~openai/gpt-luna-latest (0.002 USD), /gw/models/cheapest?min_context=128000, /gw/models/models?provider=~openai. Pay per call in USDC (x402) or with a 19 USD card key for 1,000 calls. Catalogue · llms.txt

Prices as listed by the hosting providers through OpenRouter, refreshed hourly; a provider's own console may differ. Not affiliated with ~openai. Agent Exchange