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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-5.1 is 18ms faster than gpt-5.2-chat-latest
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
OpenAI: GPT-5.1 is 113% faster
| Spec | gpt-5.2-chat-latest | OpenAI: GPT-5.1 |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | Free | Free |
| Output price / 1M tokens | — | — |
| Context window | — | 400k tokens |
| Latency (p50) | 34ms | 16ms |
| Best benchmark score | — | — |
| Open source | No | No |
I don't have reliable information about a model called "gpt-5.2-chat-latest" as it doesn't appear to be a current or publicly documented OpenAI model, so I cannot provide an accurate description without risking misinformation.
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
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