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OpenAI

GPT-6 Luna Pro

Benchmarks, price, context and versions

Also searched as

GPT 6 Luna Pro, GPT-6-Luna-Pro

Direct answer: GPT-6 Luna Pro is a model from OpenAI. 89% on GPQA Diamond (OpenRouter), per OpenRouter Benchmarks. On OpenRouter, US$ 0.10 per 1 million input tokens and US$ 0.50 per 1 million output tokens.

✓ Good for

  • high-volume use (input price in the cheapest 25% on OpenRouter)
  • very long documents or code (a window of 1 million tokens or more, according to OpenRouter)

✕ Not the best for

  • agents that follow rules and use tools (#90 of 131 on τ-bench Verified (airline))

This block follows a rule of this section, using source data: if the model is in the top 25% of the metric, the item goes under "Good for"; if it is in the bottom half, it goes under "Not the best for". The middle band appears in neither. Price and context use OpenRouter; scores use Epoch AI or OpenRouter Benchmarks, in the latest version we checked.

Benchmarks

τ-bench Verified (airline)

?
69.3%

highest score on this metric 82%

90º / 131 · OpenRouter Benchmarks, latest version we checked

Key specs

Origin
the US
Family
GPT Luna Pro provisional data
Weights?
undisclosed
License
no data
Input US$/1M?
US$ 0.10
Output US$/1M
US$ 0.50
Context?
1,050,000 tokens
Parameters
no data
Input
file, image, text
OpenRouter usage?
0.31%
Downloads (30 days)?
no data
Use cases provisional data
Text Agents
Dates in sources
  • 2026, listed on OpenRouter

Version history

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch.

FAQ

What is GPT-6 Luna Pro?

GPT-6 Luna Pro is a model from OpenAI, with undisclosed weights, used for text, agents.

How much does GPT-6 Luna Pro cost?

On OpenRouter, US$ 0.10 per 1 million input tokens and US$ 0.50 per 1 million output tokens.

What is the context window of GPT-6 Luna Pro?

1,050,000 tokens, per OpenRouter.

Is GPT-6 Luna Pro open source?

No data in open sources.

What is GPT-6 Luna Pro's GPQA Diamond (OpenRouter) score?

89% on GPQA Diamond (OpenRouter), per OpenRouter Benchmarks.

Is GPT-6 Luna Pro good for coding?

No data: there is no SWE-bench Verified measurement for it in open sources.

Who made GPT-6 Luna Pro?

It was made by OpenAI, a lab from the US.

provisional data Questions under review: Semrush had no API balance during collection. Answers use source data only.

Models from OpenAI

See lab

Sources

  • OpenRouter, dados públicos da API; exports de benchmarks e rankings em CC BY 4.0, latest version we checked.
  • OpenRouter Benchmarks, CC BY 4.0, latest version we checked.

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.