Problemsby GlyphTrouble with Anthropic instead
3 posts from 3 people3d activeSteady, +1 this week
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The posts behind it
Tool `config: RunnableConfig` parameter receives the parent config instead of the child config, so nested runnables are traced as siblings of the tool run
### Submission checklist - [x] This is a bug, not a usage question. - [x] I added a clear and descriptive title that summarizes this issue. - [x] I used the GitHub search to find a similar question and didn't find it. - [x] I am sure that this is a bug in LangChain rather than...
[Bug]: VertexGeminiConfig.map_openai_params rejects reasoning_effort=xhigh/max instead of clamping or honoring drop_params=True
### What happened? When calling `gemini/` or `vertex_ai/gemini-*` models via `/v1/chat/completions` (including internal `router.acompletion` calls such as `ShadowEvalLogger`) with `reasoning_effort="xhigh"` or `reasoning_effort="max"` and `drop_params=True`,...
sanitize_for_postgres docstring examples pass literal escapes instead of NUL characters
### Submission checklist - [x] This is a bug, not a usage question. - [x] I added a clear and descriptive title that summarizes this issue. - [x] I used the GitHub search to find a similar question and didn't find it. - [x] I am sure that this is a bug in LangChain rather than...
Companies and products named
About this problem
Evidence
3 posts from 3 people in 2 places, about 1 a week over 19 days. Mostly on langchain-ai/langchain, BerriAI/litellm. Tools named alongside: OpenAI, Perplexity, DeepSeek, Ollama.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Anthropic with no known issue, sharing the word "instead". First post Oct 9, 2026, latest Oct 27, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method
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Trouble with Anthropic core
Top post: "core: filter_messages(exclude_tool_calls=[...]) does not remove invalid_tool_calls", one of 6 posts from 5 people on GitHub issues.
Trouble with Anthropic crashes
Top post: "Streaming parser crashes when a tool-call delta has function=None", one of 4 posts from 4 people on GitHub issues.
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RAG on Anthropic returns irrelevant or missing context
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Anthropic fails to return valid structured output
3 posts from 3 people on GitHub issues.
Trouble with Anthropic inside
Top post: "Agentic run with dynamic filtering (web_search_20260209 inside code_execution) rejected with code_execution", one of 3 posts from 3 people on GitHub issues.
Trouble with Anthropic cache
Top post: "LLM cache stores a generation that fails structured-output parsing and then replays it", one of 3 posts from 3 people on GitHub issues.
Anthropic lock-in makes switching costly
3 posts from 3 people on GitHub issues, Hacker News.
Prompt injection makes Anthropic features unsafe
3 posts from 3 people on GitHub issues, Hacker News.
History