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GPT-5.6 Luna

OpenAI GPT-5

ActiveReleased 2026-07-13
ChatJSON modePrompt cachingReasoningStreamingTool callingVision
1M
Context window
Yes
Reasoning support
Yes
Tool calling

Pricing

Input
$0.22/M
Output
$1.32/M
Cached input
$0.022/M

Shown for AWS Bedrock, the primary provider surface for this model. Pricing is Cloptima's known static list pricing; live/negotiated rates may differ.

Available via 1 provider

AWS Bedrock
Gateway-routable
openai.gpt-5.6-luna
Context
1M
Input / Output
$0.22/$1.32 per M
ChatJSON modePrompt cachingReasoningStreamingTool callingVision