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OpenAI

GPT Luna Latest

This model always redirects to the latest model in the OpenAI GPT Luna family.

Model facts

Context window
1.05M tokens
Maximum output
128K tokens
Cheapest paid input
$0.2 per 1M tokens
Cheapest paid output
$1.2 per 1M tokens
Open weights
no
Providers
3

Capabilities and modalities

reasoning, tool calling, structured output, attachments, text, image, pdf.

Observed price history

  • 2026-09-11: $0.2 input / $1.2 output per 1M tokens

API providers

  • Kilo Gateway (OpenAI) — model id ~openai/gpt-luna-latest; $0.2 input / $1.2 output per 1M tokens; provider documentation
  • NanoGPT — model id openai/gpt-luna-latest; $0.2 input / $1.2 output per 1M tokens; provider documentation
  • OpenRouter (OpenAI) — model id ~openai/gpt-luna-latest; $0.2 input / $1.2 output per 1M tokens; provider documentation