# GPT-5.5 is available in the Responses and Chat Completions APIs with a 1M context window.

GPT-5.5-p...

Canonical URL: https://www.traeai.com/articles/54a6f54f-ece7-43ff-8f60-5dcb1306d98a
Original source: https://x.com/OpenAIDevs/status/2047742589982654915
Source name: OpenAI Developers(@OpenAIDevs)
Content type: tweet
Language: 英文
Score: 7.0
Reading time: 1 分钟
Published: 2026-04-24T18:20:53+00:00
Tags: GPT, OpenAI, API, AI

## Summary

OpenAI发布GPT-5.5，支持1M上下文窗口，并推出更高精度的GPT-5.5-pro版本。

## Key Takeaways

- GPT-5.5在Responses和Chat Completions API中提供1M上下文窗口。
- GPT-5.5-pro专为高精度任务优化，适用于Responses API。
- 新版本可能显著提升复杂任务处理能力。

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