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OpenAI · language model

GPT-5.6 Luna Pro

OpenAI: GPT-5.6 Luna Pro is a language model on the Overblast AI Gateway. Call it as openai/gpt-5.6-luna-pro with one Overblast API key, paid from your AI credits.

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Prices are final: what a call costs in AI credits, in US dollars. As of 2 October 2026, from the live catalogue.

Price

OpenAI: GPT-5.6 Luna Pro: price
Input, per M tokens$0.40
Output, per M tokens$2.40

What it does

OpenAI: GPT-5.6 Luna Pro: what it does
DoesChat completions, Messages (Claude Code), Responses (Codex)

Where it runs

OpenAI: GPT-5.6 Luna Pro: where it runs
RegionsCan be pinned to EU, or run globally
Zero data retentionYes: served only by endpoints that keep neither the prompt nor the answer
Context1,050,000 tokens
EndpointPOST /v1/chat/completions

Call it

curl https://ai.overblast.app/v1/chat/completions \
  -H "Authorization: Bearer $OVERBLAST_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.6-luna-pro",
    "messages": [
      {
        "role": "user",
        "content": "Say hello in Estonian"
      }
    ]
  }'

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