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Side-by-side comparison of API pricing, context window, latency, and benchmark performance. Data refreshed daily from provider APIs and ModelStop's own latency probes.
⚡OpenAI: GPT-5 Image is 19ms faster than OpenAI: GPT-4 Turbo Preview
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
OpenAI: GPT-4 Turbo Preview is 0% cheaper
| Spec | OpenAI: GPT-4 Turbo Preview | OpenAI: GPT-5 Image |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | $10.00 | $10.00 |
| Output price / 1M tokens | $30.00 | $10.00 |
| Context window | 128k tokens | 400k tokens |
| Latency (p50) | 19ms | — |
| Best benchmark score | — | — |
| Open source | No | No |
The preview GPT-4 model with improved instruction following, JSON mode, reproducible outputs, parallel function calling, and more. Training data: up to Dec 2023. **Note:** heavily rate limited by OpenAI while...
[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 1's superior instruction following,...
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