# GPT-5.6 Luna

> GPT-5.6 Luna excels in complex reasoning and long-context understanding, making it a powerful tool for detailed analysis and synthesis across various modalities

Canonical HTML: https://llmpeers.com/models/openai--gpt-5~6-luna

**Provider:** OpenAI
**Availability:** Premium Research
**Category:** advanced
**Context:** 1.1M input · 128k output
**Pricing:** $0.100/M input · $0.600/M output
**Vision:** Yes

GPT-5.6 Luna excels in complex reasoning and long-context understanding, making it a powerful tool for detailed analysis and synthesis across various modalities.

## Strengths

- vision
- reasoning
- long-context
- writing
- coding

## Watch-outs

- cost-efficient

## Best roles on LLM Peers

- peer
- chair

## On LLM Peers

This model is available for Premium Research—choose it as a peer or chairman, charge model usage plus platform fee from your prepaid wallet.

Start research: https://llmpeers.com
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## Related models

- [GPT-5.4](https://llmpeers.com/models/openai--gpt-5~4)
- [GPT-5.5](https://llmpeers.com/models/openai--gpt-5~5)
- [GPT-5.6 Terra](https://llmpeers.com/models/openai--gpt-5~6-terra)

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Publisher: Version Labs · Product: LLM Peers