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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.
⚡gpt-5.2-chat-latest is 111ms faster than gpt-oss-20b
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
gpt-5.2-chat-latest is 326% faster
| Spec | gpt-oss-20b | gpt-5.2-chat-latest |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | Free | Free |
| Output price / 1M tokens | — | — |
| Context window | 128k tokens | — |
| Latency (p50) | 145ms | 34ms |
| Best benchmark score | — | — |
| Open source | No | No |
OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases – gpt-oss-20b is for lower latency, and local or specialized use-cases.
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.
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