GPT-5.6 family · Efficient
GPT-5.6 Luna Token Counter
Measure prompt tokens for GPT-5.6 Luna, designed for cost-sensitive and high-volume workloads.
Accuracy note
Uses the compatible o200k_base encoding; billed usage can differ when requests include chat formatting, tools, images, or provider processing.
Frequently asked questions
What is GPT-5.6 Luna designed for?
GPT-5.6 Luna targets cost-sensitive, high-volume workloads.
Can I inspect individual token IDs?
Yes. Paste text into the tool to see compatible token segments and IDs.