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by ~openai

OpenAI GPT Luna Latest.

multimodal closed 1.1M ctx
Cheapest input
$0.2/M
on OpenRouter
Cheapest output
$1.2/M
on OpenRouter
Hosted equiv.
~$0.43/hr
@ 100 tok/s on OpenRouter

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

Hosted API only

No self-host path — closed weights.

OpenAI GPT Luna Latest's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $0.2 $1.2 Launch ↗
FAQ

Frequently asked.

How do I run OpenAI GPT Luna Latest?
OpenAI GPT Luna Latest is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access OpenAI GPT Luna Latest?
OpenAI GPT Luna Latest is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run OpenAI GPT Luna Latest?
API pricing starts at $0.2/M input tokens and $1.2/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is OpenAI GPT Luna Latest open-source or proprietary?
OpenAI GPT Luna Latest is a proprietary model from ~openai. Access is API-only — there are no public weights to download.