Cloudflare Integrates GPT-5.5 to Power Persistent Autonomous Agents

Agentic Coding
GPT
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Cloudflare Integrates GPT-5.5 to Power Persistent Autonomous Agents
Cloudflare added GPT-5.5 to its AI Gateway, providing immediate access to OpenAI's latest flagship model. This release features a 1,000,000 token context window (total data a model processes at once) and is optimized for agentic workflows. It can autonomously plan tasks, use tools, and self-verify outputs.

This integration follows an expansion of agentic infrastructure on the platform, including persistent memory and isolated sandboxes. By offering a model 2x more cost-efficient than other frontier coding models, the platform now provides a complete stack for building reliable, long-running professional agents.

You can route requests to openai/gpt-5.5 through the AI Gateway to leverage built-in caching and security features. The model is available now for all users. Its self-correction capabilities suit complex engineering tasks that previously required human-in-the-loop (human approval at defined checkpoints) verification.

Read the full update →

Frequently asked questions

What is OpenAI GPT-5.5?
GPT-5.5 is OpenAI's flagship model designed for complex professional work and agentic workflows. It features advanced coding, reasoning, and multimodal capabilities. Unlike standard chat models, it is purpose-built to handle autonomous tasks by planning steps, using external tools, and persisting until a specific goal is achieved without constant human direction.
How large is the GPT-5.5 context window?
GPT-5.5 features a context window of 1,000,000 tokens. This allows the model to process and reason across massive datasets, such as entire software codebases or lengthy technical documentation, in a single interaction. This large window is essential for complex agentic tasks where the AI must maintain a deep understanding of extensive project history and data.
How much does GPT-5.5 cost on Cloudflare?
While specific per-token rates are available within the Cloudflare dashboard, the model is designed to be 2x more cost-efficient than other frontier coding models. This efficiency comes with no tradeoff on latency, making it a viable option for high-volume agentic pipelines that require both high performance and predictable operational costs for professional work.
What makes GPT-5.5 better for AI agents?
GPT-5.5 is optimized for agentic loops, which are iterative cycles where an AI observes, reasons, and acts autonomously. The model can plan its own multi-step actions, use tools to interact with external systems, and check its own work for errors. It is built to persist through complex professional tasks until they are fully completed.
How do developers access GPT-5.5 through Cloudflare?
Developers can access the model by routing requests through the Cloudflare AI Gateway using the model identifier openai/gpt-5.5. This allows teams to integrate the model into their applications while benefiting from Cloudflare's infrastructure features like caching, request logging, and security headers, which help manage and scale AI-powered agentic workflows effectively.