Models / GPT-5.6 Luna pricing

GPT-5.6 Luna pricing

OpenAI · 1050k context — what it really costs, per token and per task.

Per 1M tokensPrice
Input$0.200
Output$1.20
Cached input$0.020

List price last verified 2026-09-02.

The same task on GPT-5.6 Luna vs 3 alternatives

Representative call: 1,500 input + 500 output tokens.

GPT-5.6 Luna
$0.0009
GLM 5.3
$0.0043

How much does GPT-5.6 Luna cost per 1M tokens?

GPT-5.6 Luna costs $0.200 per 1M input tokens and $1.20 per 1M output tokens (cached input: $0.020/M). Last verified 2026-09-02.

How much does a typical GPT-5.6 Luna call cost?

A representative call (1,500 input + 500 output tokens) costs about $0.0009 on GPT-5.6 Luna.

What are cheaper alternatives to GPT-5.6 Luna?

Comparable models: Gemini 3.6 Flash ($0.0030/call), Mistral Large 3 ($0.0015/call), GLM 5.3 ($0.0043/call). The right pick depends on the task — GPT-5.6 Luna scores strongest on classify / route.

Is GPT-5.6 Luna the right model for your work?

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Provider list prices · capability scores are seed priors, refined from real usage.