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Scores, capabilities and costs for the models you’re considering.
| 1 model | openaiOpenAI: GPT-6 Luna ProRemove × |
|---|---|
| What’s different | GPT-6 Luna Pro is the same underlying model as GPT-6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more... |
| Date | Sep 22, 2026Listed |
API prices USD · provider configuration shown below | |
| Listed rate | $0.05 in / $0.25 out/ 1M tokensOpenAI · via OpenRouter · all routes ↗openai/flex · tier=flex · prompt ≤ 272000 tokens |
| Provider endpoints | 7 endpoints → |
Specifications | |
| Context window | 1.1M |
| Max output | 128K |
| Parameters | — |
| Tool calling | Supported |
| Structured output | Supported |
| Image input | Supported |
| Reasoning | Supported |
| Prompt caching | Supported |