GPT-5.6 Luna
GPT-5.6
OpenAI cost-efficient model tracked with source-verified standard API list pricing.
ClosedOfficial
Context Window
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Input / 1M tokens
$0.20
Output / 1M tokens
$1.20
License
Proprietary API
Builder Notes
Standard short-context list pricing. Cached-input, long-context, Batch API, and Fast-mode pricing are different; verify workload-specific rates on the provider page.