OpenAI

GPT 5.6 Luna

The cost-sensitive, high-volume tier of GPT-5.6. A good fit for summarization, classification, rewriting, and batch automation; choose the Sol sibling for complex professional judgment or quality-first multi-step work.

  • Reasoning
  • Function calling
  • Structured output
  • Long context

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gpt-5.6-luna
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USD /1M tokens

Pricing

GroupTierInputOutputCache ReadCache Write
defaultinput<=272k$0.2$1.2$0.1$1.25
defaultinput>272k$2$9$0.2$2.5
default
input<=272k
Input$0.2Output$1.2Cache Read$0.1Cache Write$1.25
input>272k
Input$2Output$9Cache Read$0.2Cache Write$2.5

Public list prices are shown in USD. Final charges may vary by account group and usage tier.

API

Code examples

curl --location --request POST 'https://api.tokenhot.ai/v1/chat/completions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "gpt-5.6-luna",
    "messages": [
        {
            "role": "user",
            "content": "What model are you"
        }
    ]
}'

OpenAI

Related models

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$0.5/1M tokensOpenAIOpenAIGPT 5.6 SOL

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$1/1M tokensOpenAIOpenAIGPT 6.1 SOL

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$0.4/1M tokensOpenAIOpenAIGPT 5.4 Nano

Built for reasoning, coding, visual understanding, and agent tasks, with stronger long context, tool use, and scalable reliable output than GPT-5.3. Compared with Claude, Gemini, and Qwen flagship models, it is a strong general-purpose base for reliable automation and complex knowledge workflows.

$0.2/1M tokens

FAQ

Frequently asked questions

What is GPT 5.6 Luna best suited for?

GPT 5.6 Luna is suited to the input, output, and capability types listed on this page. Test production workloads before choosing it for a critical system.

How is GPT 5.6 Luna priced?

Pricing is shown in the pricing section above. Actual cost depends on usage volume, account group, and the request payload.

How can I call GPT 5.6 Luna?

Use the model ID shown above with one of the supported API protocols. Code examples are provided when usage data is available.

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Build with GPT 5.6 Luna

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