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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 Search Preview is 83% cheaper than OpenAI: GPT-5 Pro
⚡OpenAI: GPT-5 Pro is 9ms faster than OpenAI: GPT-4o Search Preview
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
OpenAI: GPT-4o Search Preview is 500% cheaper
OpenAI: GPT-5 Pro is 25% faster
| Spec | OpenAI: GPT-4o Search Preview | OpenAI: GPT-5 Pro |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | $2.50 | $15.00 |
| Output price / 1M tokens | $10.00 | $120.00 |
| Context window | 128k tokens | 400k tokens |
| Latency (p50) | 45ms | 36ms |
| Best benchmark score | — | — |
| Open source | No | No |
GPT-4o Search Previewis a specialized model for web search in Chat Completions. It is trained to understand and execute web search queries.
GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and...
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