Skip to content
Problems.

Trouble with Anthropic conversion

LLM apps4 posts from 3 people2d active+33 posts in the last 7 days, 1 the 7 days before (rising)

Posts per day

Posts per day4 posts, Sep 25 to Oct 4

The posts behind it

4, newest first
PostDate
invalid_tool_call blocks still reach groq and mistralai during v1 conversion#39803 and #39805 filtered `invalid_tool_call` out of v1 conversion for anthropic and fireworks, because both providers reject the block when partial or malformed tool-call history is replayed. `langchain_openai.chat_models._compat` has the same filter. `langchain_groq` and...langchain-ai/langchainquotentirolerSep 304 days ago
invalid_tool_call blocks still reach groq and mistralai during v1 conversion### 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...langchain-ai/langchainquotentirolerSep 304 days ago
core: postponed callable annotations break Runnable schemas and tool conversion...otherwise run successfully as `RunnableLambda` and `RunnableGenerator`. This makes it difficult to expose an existing, typed processing step as an agent tool. The example above uses only public APIs and local data. All three direct `invoke()` calls return `HELLO`. Converting the...langchain-ai/langchainTo3akaRinSep 304 days ago
[Bug]: OpenAI to Anthropic conversion downloads http:// image URLs instead of forwarding them### Description ## Description An `image_url` part with an `http://` URL is not forwarded to Anthropic as a URL. LiteLLM downloads the image itself and sends the bytes inline as a `base64` source. An `https://` URL on the same path is forwarded as a `url` source. Nothing in the...BerriAI/litellmAndroid-Login-AnalysisSep 259 days ago

Companies and products named

Company or productPosts naming it
Anthropic4
OpenAI4
LangChain3
Perplexity2
DeepSeek2
Ollama2
About this problem

Evidence

4 posts from 3 people in 2 places, about 4 a week over 6 days. Mostly on langchain-ai/langchain, BerriAI/litellm. Tools named alongside: OpenAI, LangChain, Perplexity, DeepSeek.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about Anthropic with no known issue, sharing the word "conversion". First post Sep 25, 2026, latest Sep 30, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method

History

  • 2026-10-04 Added: Trouble with Anthropic conversion (4 posts)

Rising problems by email

Mondays: the problems in data, tech and AI that grew fastest that week.

Double opt-in. Unsubscribe any time.