OpenAI: GPT-5.6 Luna Pro
8.6 / 10
1.1M context
Proprietary
About this model
GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks.
Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Benchmark Scores
MMMU
84.2
Aider
88.0
IFEval
73.1
AIME-2025
99.6
Technical Specs
- Architecture: text+image+file->text
- Context Window: 1,050,000 tokens
- Input Modalities: text
Hardware Requirements
- API-only (no local hardware needed)
Pricing
| Input | Output | Currency |
|---|---|---|
| 0.2 / 1M tokens | 1.2 / 1M tokens | USD |