[GPT-5](https://openrouter.ai/openai/gpt-5) Image combines OpenAI's GPT-5 model with state-of-the-art image generation capabilities. It offers major improvements in reasoning, code quality, and user experience while incorporating GPT Image …
Model details →OpenAI: GPT-5 Image vs Auto Router
Auto Router wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Your prompt will be processed by a meta-model and routed to one of dozens of models (see below), optimizing for the best possible output. To see which model was used, visit [Activity](/activity), or read the `model` attribute of the respon…
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5 Image | Auto Router | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 2M | 🏆 Auto Router |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $10.00 | $-1000000.00 | 🏆 Auto Router |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $-1000000.00 | 🏆 Auto Router |
| 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 Image better than Auto Router?
Auto Router 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 Image and Auto Router?
Input: $10.00 vs $-1000000.00 per 1M tokens. Output: $10.00 vs $-1000000.00 per 1M tokens.
What context windows do OpenAI: GPT-5 Image and Auto Router support?
OpenAI: GPT-5 Image supports up to 400K tokens. Auto Router supports up to 2M tokens.
Do both OpenAI: GPT-5 Image and Auto Router support tool calling?
OpenAI: GPT-5 Image: yes. Auto Router: yes.