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LANGCHAIN XAI 1.2.0 IMPROVES STREAMING AND TOKEN ACCOUNTING; OPENAI ADAPTER UPDATES GPT-5 LIMITS
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FIRST_SEEN 2026-01-02
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LAST_SYNC 2026-01-02
[ OVERVIEW ]
LangChain released langchain-xai 1.2.0 with fixes that stream citations only once and enable usage metadata streaming by default, plus a core serialization patch. The OpenAI adapter now filters function_call blocks in token counting and updates max input tokens for the GPT-5 series, and chunk_position is standardized via langchain-core.
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[ STORY_TIMELINE ]
LangChain xAI 1.2.0 improves streaming and token accounting; OpenAI adapter updates GPT-5 limits
LangChain released langchain-xai 1.2.0 with fixes that stream citations only once and enable usage metadata streaming by default, plus a core serialization patch. The OpenAI adapter now filters function_call blocks in token counting and updates max input tokens for the GPT-5 series, and chunk_position is standardized via langchain-core.