Issues

• LLM Gateway: support embeddings for Amazon Bedrock (direct /bedrock InvokeModel returns 501 "path not allow-listed"; no /v1/embeddings)

  LLM-Gatewaysdk
  langchain-ai/langsmith-sdk#3609 · Filter by author Ash-exp opened on Sep 29, 2026

• Bug: First turn intermittently missing from LangSmith Trajectory view

  sdk
  langchain-ai/langsmith-sdk#3594 · Filter by author Tejasri-T opened on Sep 25, 2026
  

• Issue: evaluate_comparative with randomize_order records concurrent comparators' scores against the wrong runs

  sdk
  langchain-ai/langsmith-sdk#3582 · Filter by author mavericksea-ai opened on Sep 23, 2026
  

• Automatic Model Comparison Summary for Latency, Tokens, Cost, and Quality

  sdk
  langchain-ai/langsmith-sdk#3514 · Filter by author alhatemmohanad-ui opened on Sep 9, 2026

• Issue: wrap_openai emits Pydantic serializer warnings on beta.chat.completions.parse (openai counterpart of #2737)

  sdk
  langchain-ai/langsmith-sdk#3490 · Filter by author hemanttyagi1001 opened on Sep 4, 2026

• OrcaRouter provider support for the LangSmith SDKs

  sdk
  langchain-ai/langsmith-sdk#3488 · Filter by author nissrin2020ali-ux opened on Sep 4, 2026

• OTEL exporter emits LangChain-serialized I/O in legacy gen_ai.prompt/completion attributes

  sdk
  langchain-ai/langsmith-sdk#3431 · Filter by author ChampionsZhang opened on Aug 20, 2026
  1

• Native EvalPort import/export for portable evaluation datasets and results

  sdk
  langchain-ai/langsmith-sdk#3428 · Filter by author adhabnr-ux opened on Aug 20, 2026
  7

• dumps_json raises RecursionError on plain dict/list cycles

  sdk
  langchain-ai/langsmith-sdk#3393 · Filter by author Vissirexa opened on Aug 13, 2026

• Issue: Getting 403 while creating Client obj

  sdk
  langchain-ai/langsmith-sdk#3327 · Filter by author BalakrishnaChennamsetti opened on Aug 3, 2026
  1

  

• Issue: When pulling a Bedrock model from the hub, an empty aws_iam_role_arn is added to model_kwargs

  sdk
  langchain-ai/langsmith-sdk#3286 · Filter by author FelixKikleo opened on Jul 29, 2026
  

• [Proposal] OpenEval Import/Export Support

  sdk
  langchain-ai/langsmith-sdk#3278 · Filter by author adhabnr-ux opened on Jul 29, 2026
  3

• Sync sdk filters with what's avaialble in the ui

  sdk
  langchain-ai/langsmith-sdk#3267 · Filter by author 10gyal opened on Jul 24, 2026

• wrapAnthropic + LANGSMITH_TRACING_MODE=otel traces don't auto-resolve in Playground

  sdk
  langchain-ai/langsmith-sdk#2936 · Filter by author BasRizk opened on May 26, 2026
  3

  

• [Feature Request]: SDK support for programmatic eval-to-feedback loop — close the trace-to-action gap without manual UI steps

  sdk
  langchain-ai/langsmith-sdk#2907 · Filter by author Ruthwik-Data opened on May 18, 2026
  5

  

• DOC: Python pip install command for Claude Agent SDK uses single quotes and fails when copied in Windows Command Prompt

  sdk
  langchain-ai/langsmith-sdk#2736 · Filter by author varuntej07 opened on Apr 18, 2026

• Extreme lagging on Langsmith Playground

  sdk
  langchain-ai/langsmith-sdk#2719 · Filter by author ErzErzHerzog opened on Apr 15, 2026
  3

• LangSmith UI Issue: Images/Pictures no longer rendered in traces

  sdk
  langchain-ai/langsmith-sdk#2687 · Filter by author andrej-ilievski opened on Apr 9, 2026
  1

• Bug: Cannot save edited prompt back to Prompt Hub after opening trace run in Playground

  sdk
  langchain-ai/langsmith-sdk#2671 · Filter by author denyskorolkov opened on Apr 8, 2026
  1

• Issue: Different in run-time between development type and production type

  sdk
  langchain-ai/langsmith-sdk#2641 · Filter by author cuonghoang96 opened on Apr 1, 2026

• Issue: OpenAI Flex pricing only partly applied

  sdk
  langchain-ai/langsmith-sdk#2615 · Filter by author davidgilbertson opened on Mar 25, 2026
  1

• Multi-turn online evaluator should re-evaluate threads when new messages arrive after idle timeout

  sdk
  langchain-ai/langsmith-sdk#2603 · Filter by author eenglesson opened on Mar 22, 2026

• Feature Request: Custom Input Rendering for Annotation Queues

  sdk
  langchain-ai/langsmith-sdk#2593 · Filter by author jdudekBC opened on Mar 18, 2026
  1

• feat: Support excluding binary/media content from inputs/outputs in list_runs select

  sdk
  langchain-ai/langsmith-sdk#2553 · Filter by author aviadr1 opened on Mar 10, 2026

• Feature: SDK API for managing model pricing configuration

  sdk
  langchain-ai/langsmith-sdk#2552 · Filter by author aviadr1 opened on Mar 9, 2026
  1