OpenAI GPT Luna Latest by OpenAI: pricing, context window and specs - OpenSmartRoute

OpenAI

OpenAI GPT Luna Latest

~openai/gpt-luna-latest

JSON

Specification

Published by the vendor; the platform bills at the target's declared price.

OpenAI GPT Luna Latest

reasoning tools

OpenAI ~openai/gpt-luna-latest

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

Input $/1M: $0.20
Output $/1M: $1.20
Context: 1.1M
Max output: 128K
Released: Sep 11, 2026
Modalities: fileimagetext

Cached input reads $0.02 per 1M

On this deployment

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Not routable here yet

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targets.yamlyaml

# targets.yaml - declare a target that runs OpenAI GPT Luna Latest
targets:
  - id: gpt-luna-latest
    kind: llm
    name: OpenAI GPT Luna Latest
    metadata:
      model: ~openai/gpt-luna-latest          # links the target to this catalogue entry
    capabilities:
      domains: [general]
      supports_tools: true
      context_window: 1050000
    cost:
      usd_per_1k_tokens: 0.000700

Price among OpenAI models

Input list price per million tokens; OpenAI GPT Luna Latest is the 3rd cheapest of 13 listed.

More from OpenAI

Other models by the same vendor in the catalogue.