Issues

• responses.parse() matches a namespaced function call to a top-level tool by name alone

  openai/openai-python#4064 · Filter by author chrikrah opened on Oct 12, 2026

• ChatCompletionStream.get_final_completion() can return an incomplete result after an early EOF

  openai/openai-python#4063 · Filter by author qiyuhuating opened on Oct 12, 2026

• Maintain tiktoken

  openai/openai-python#4042 · Filter by author impredicative opened on Oct 8, 2026
  1

• Streaming responses never return their connection to the pool (closed before the chunked terminator is read)

  bug
  openai/openai-python#4040 · Filter by author mrembalski opened on Oct 8, 2026
  3

• Concurrent first use of streaming decode caches an incomplete discriminator map, so events decode as the wrong class

  bug
  openai/openai-python#4036 · Filter by author nitinimage opened on Oct 7, 2026
  2

• parse() / pydantic_function_tool() send name: "Page[Item]" for a parameterized generic pydantic model, outside the documented name pattern

  openai/openai-python#4023 · Filter by author ara-stock opened on Oct 5, 2026
  2

• Bug: accumulate_delta corrupts tool call items on out-of-order delta indexes

  openai/openai-python#4022 · Filter by author chauvuusvn opened on Oct 5, 2026
  19

• Responses create spends CPU proportional to the body size transforming a body it returns unchanged

  bug
  openai/openai-python#4021 · Filter by author zdurm opened on Oct 2, 2026
  2

• fix(auth): SubjectTokenProviderError drops response and duplicates error message in workload identity providers

  openai/openai-python#4017 · Filter by author Kuldeeep18 opened on Oct 2, 2026
  3

• fix(lib): handle null and empty text in parse_text

  openai/openai-python#3966 · Filter by author Kuldeeep18 opened on Sep 26, 2026
  3

• Querystring drops explicit empty-string scalar values

  sdk-breaking-changev4
  openai/openai-python#3837 · Filter by author sylvesterkaczmarek opened on Sep 10, 2026

• Blocking the event loop since 3.x ?

  bug
  openai/openai-python#3777 · Filter by author vmaurin opened on Sep 1, 2026
  12

• Aborting a streaming Responses API request drops the function_call item, breaking the next turn with 400 "No tool call found for function call output"

  bug
  openai/openai-python#3561 · Filter by author sipa-echo-ngbm opened on Jul 31, 2026
  15

• Define + export ServiceTiers string literal

  openai/openai-python#3556 · Filter by author s-banach opened on Jul 30, 2026
  3

• Organization users emails filter returns no results for an existing user

  openai/openai-python#3541 · Filter by author sasaki000 opened on Jul 25, 2026
  2

• Consider enabling HTTP2 by default

  sdk-breaking-change
  openai/openai-python#3476 · Filter by author KrisTHL181 opened on Jul 8, 2026
  1

• RFC: Proactive Server-Side Cancellation via Request-Timeout-Ms

  openai/openai-python#3277 · Filter by author michaelfeil opened on May 19, 2026
  3

• AzureOpenAI/Foundry: promote x-ms-served-model header into Response.model for the Responses API (parity with OpenAI/Azure Chat Completions)

  openai/openai-python#3271 · Filter by author eavanvalkenburg opened on May 19, 2026
  1

• client.images.edit() method failed to pass image_url as image input

  bug
  openai/openai-python#3256 · Filter by author zh0903 opened on May 18, 2026
  4

• Background responses failures lack a stable code/name that maps to an exception class

  openai/openai-python#3212 · Filter by author adnanboz opened on May 8, 2026
  3

• PydanticUserError with defer_build=True and pydantic 2.12 in multiprocess forkserver workers

  openai/openai-python#3079 · Filter by author cmarcotte-lawzero opened on Apr 12, 2026
  1

• Bug: server-side compaction is not emitted on Responses tool-call-only turns

  bug
  openai/openai-python#3075 · Filter by author y-melamed opened on Apr 10, 2026
  1

• Add convenience methods for detecting model parameter support (temperature, reasoning)

  openai/openai-python#3073 · Filter by author pamelafox opened on Apr 9, 2026

• OpenAI Batch API returns 404 with GPT-5.x models

  bugupstream
  openai/openai-python#3071 · Filter by author hegdeashwin opened on Apr 8, 2026
  1

• Response.output_text and responses.parse fail when an output_text item has text: null

  bug
  openai/openai-python#3063 · Filter by author texasich opened on Apr 6, 2026
  4