Why This Matters
The release of GPT-5.5 and GPT-5.5 Pro marks a significant advancement in AI capabilities, offering enhanced features such as a 1 million token context window, image input, and structured outputs. These updates enable more complex and professional applications, pushing the boundaries of what AI models can achieve for developers and businesses alike.
Key Takeaways
- GPT-5.5 introduces a 1 million token context window, enabling more extensive and detailed interactions.
- The new models support image input, structured outputs, and function calling for versatile applications.
- GPT-5.5 Pro offers increased compute power for tackling tougher problems, suitable for demanding professional use cases.
Released GPT-5.5, a new frontier model for complex professional work, to the Chat Completions and Responses API, and released GPT-5.5 pro for Responses API requests, including through Batch, for tougher problems that benefit from more compute.
GPT-5.5 supports a 1M token context window, image input, structured outputs, function calling, prompt caching, Batch, tool search, built-in computer use, hosted shell, apply patch, Skills, MCP, and web search. GPT-5.5 defaults to medium reasoning effort.
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