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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-4o (2024-05-13) is 50% cheaper than OpenAI: GPT-5 Image
⚡OpenAI: GPT-5 Image is 18ms faster than OpenAI: GPT-4o (2024-05-13)
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
OpenAI: GPT-4o (2024-05-13) is 100% cheaper
| Spec | OpenAI: GPT-4o (2024-05-13) | OpenAI: GPT-5 Image |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | $5.00 | $10.00 |
| Output price / 1M tokens | $15.00 | $10.00 |
| Context window | 128k tokens | 400k tokens |
| Latency (p50) | 18ms | — |
| Best benchmark score | — | — |
| Open source | No | No |
GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...
[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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