GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/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://devel…
Model details →OpenAI: GPT-5.6 Luna Pro vs Qwen: Qwen3.6 Plus
OpenAI: GPT-5.6 Luna Pro wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Qwen 3.6 Plus builds on a hybrid architecture that combines efficient linear attention with sparse mixture-of-experts routing, enabling strong scalability and high-performance inference. Compared to the 3.5 series, it delivers...
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5.6 Luna Pro | Qwen: Qwen3.6 Plus | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.1M | 1M | 🏆 OpenAI: GPT-5.6 Luna Pro |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.10 | $0.33 | 🏆 OpenAI: GPT-5.6 Luna Pro |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.60 | $1.95 | 🏆 OpenAI: GPT-5.6 Luna Pro |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: GPT-5.6 Luna Pro better than Qwen: Qwen3.6 Plus?
OpenAI: GPT-5.6 Luna Pro wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: GPT-5.6 Luna Pro and Qwen: Qwen3.6 Plus?
Input: $0.10 vs $0.33 per 1M tokens. Output: $0.60 vs $1.95 per 1M tokens.
What context windows do OpenAI: GPT-5.6 Luna Pro and Qwen: Qwen3.6 Plus support?
OpenAI: GPT-5.6 Luna Pro supports up to 1.1M tokens. Qwen: Qwen3.6 Plus supports up to 1M tokens.
Do both OpenAI: GPT-5.6 Luna Pro and Qwen: Qwen3.6 Plus support tool calling?
OpenAI: GPT-5.6 Luna Pro: yes. Qwen: Qwen3.6 Plus: yes.
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