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OpenAI launches Open Responses – open standard for LLM APIs

OpenAI has published Open Responses, an open specification for standardized LLM APIs across vendors. Ollama, vLLM and others are already implementing the standard, which is designed to simplify building agent systems. Meanwhile, filesystem-as-memory is establishing itself as the dominant pattern for agent architecture, with tools like LangChain and LlamaIndex leading the way.

WHY IT MATTERS

Standardizing LLM APIs reduces vendor lock-in and makes it easier to build portable AI infrastructure. It also signals that the industry is converging around concrete patterns for agent design and memory management.

SOURCES

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