openai/openai-dotnet

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The official .NET library for the OpenAI API

Stars: 2.7k
Forks: 422
Open beginner issues: 0
Indexed issues: 35
Avg merge: 2d 15h
Merged PRs (30d): 34

Dominant language: C#
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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35 open issues indexed

[EngSys] Validate api/released in CI Open

area: infrastructure team-work-item

Difficulty 4/5 3-5 days Newbie friendliness 30/100

openai/openai-dotnet#1367 · Opened Sep 8, 2026
Refactor `ToolChoice` in Responses using the non-discriminated union pattern Open

area: responses team-work-item

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openai/openai-dotnet#1361 · Opened Sep 5, 2026
[BUG] Single-part message content is collapsed to a string on write, dropping the part's Patch properties (e.g. cache_control) Open

area: chat bug

openai/openai-dotnet#1359 · 1 comment · 1 reaction · 1 assignee · Opened Sep 4, 2026
Add first-class Workload Identity Federation / SubjectTokenProvider support Open

area: infrastructure feature-request

Difficulty 5/5 Over a week Newbie friendliness 35/100

openai/openai-dotnet#1356 · Opened Sep 3, 2026
[BUG] JsonPatch accessors throw NullReferenceException for members the service sends as null (regression in 2.13.0) Open

area: responses blocked: upstream bug

openai/openai-dotnet#1353 · 1 comment · 1 assignee · Opened Sep 1, 2026
Adopt new streaming API pattern Open

area: architecture team-work-item

openai/openai-dotnet#1269 · 1 assignee · Opened Aug 4, 2026
[FEATURE REQ] Expose `cache_write_tokens` to the ResponseUsage object Open

area: responses blocked: upstream feature-request

openai/openai-dotnet#1247 · 1 comment · 1 assignee · Opened Jul 13, 2026
[Architecture] Audit enum use in the public API Open

area: architecture team-work-item

openai/openai-dotnet#1244 · 1 assignee · Opened Jul 8, 2026
Mark `EndUserId` property of `CreateResponseOptions` as `Obsolete` Open

area: responses team-work-item

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

openai/openai-dotnet#1233 · Opened Jun 29, 2026
[FEATURE REQ] Move model JSON usage setting out of the emitter Open

area: codegen team-work-item

openai/openai-dotnet#1232 · 1 assignee · Opened Jun 29, 2026
Add dedicated ClientOptions types for each client Open

area: architecture team-work-item

openai/openai-dotnet#1111 · 1 assignee · Opened Apr 22, 2026
Use shared pagination option models instead of redeclaring pagination parameters in TypeSpec Open

area: spec team-work-item

Difficulty 4/5 3-5 days Newbie friendliness 55/100

openai/openai-dotnet#1110 · Opened Apr 22, 2026
[FEATURE REQ] Expose raw payload on UnknownResponseStreamEvent for safe downstream handling Open

area: responses feature-request

openai/openai-dotnet#1079 · 9 comments · 1 assignee · Opened Apr 4, 2026
Verify the required parameters of the ImageGenToolCallItem Open

area: responses design-discussion team-work-item

Difficulty 3/5 1-2 days Newbie friendliness 35/100

openai/openai-dotnet#1070 · Opened Apr 2, 2026
[QUESTION] - tool_search support Open

area: responses feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

openai/openai-dotnet#1053 · 2 comments · Opened Mar 25, 2026
[FEATURE REQ] Make Shell tool classes public Open

area: responses feature-request

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

openai/openai-dotnet#999 · 2 comments · Opened Mar 3, 2026
[Files] Add pagination convenience methods for OpenAIFileClient.GetFiles Open

area: files team-work-item

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openai/openai-dotnet#987 · Opened Feb 28, 2026
[Files] Expose optional ExpiresAfter for OpenAIFileClient.UploadFileAsync() Open

area: files team-work-item

Difficulty 5/5 Over a week Newbie friendliness 35/100

openai/openai-dotnet#896 · 5 comments · Opened Jan 14, 2026
[FEATURE REQ] add ability to set prompt_cache_retention for requests Open

area: responses blocked: upstream feature-request

Difficulty 3/5 1-2 days Newbie friendliness 48/100

openai/openai-dotnet#853 · 1 comment · Opened Dec 3, 2025
[FEATURE REQ] Custom tools and format (cfg) support Open

area: responses blocked: upstream feature-request

Difficulty 4/5 3-5 days Newbie friendliness 42/100

openai/openai-dotnet#785 · 4 comments · Opened Oct 29, 2025
[FEATURE REQ] Support files and images as tool call outputs. Open

area: responses blocked: upstream feature-request

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openai/openai-dotnet#759 · 3 comments · 1 reaction · Opened Oct 15, 2025
Split OpenAILibraryVisitor into Multiple Visitors Open

area: architecture team-work-item

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openai/openai-dotnet#747 · Opened Oct 7, 2025
[FEATURE REQ] Streaming Events: Push-based API Open

area: responses design-discussion feature-request

openai/openai-dotnet#720 · 1 comment · 1 assignee · Opened Sep 24, 2025
[FEATURE REQ] Observability for Responses API Open

area: diagnostics feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

openai/openai-dotnet#653 · 1 comment · 2 reactions · Opened Sep 4, 2025
[FEATURE REQ] Allow setting expires_after on file upload Open

area: files blocked: upstream feature-request

openai/openai-dotnet#635 · 4 comments · 2 reactions · 1 assignee · Opened Aug 29, 2025
Consider normalizing common pagination parameter order across all methods Open

area: architecture design-discussion team-work-item

Difficulty 4/5 3-5 days Newbie friendliness 25/100

openai/openai-dotnet#627 · Opened Aug 26, 2025
[FEATURE REQ] make `include_usage` optional in chat/completions API Open

feature-request

Difficulty 3/5 1-2 days Newbie friendliness 74/100

openai/openai-dotnet#616 · 3 comments · Opened Aug 20, 2025
[FEATURE REQ] Expand character limit on UserAgentApplicationId Open

area: architecture feature-request

openai/openai-dotnet#560 · 9 comments · 1 assignee · Opened Jul 24, 2025
Remove GeneratorStubs and use CodeGen config/visitor to generate types Open

team-work-item

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openai/openai-dotnet#550 · 1 comment · Opened Jul 21, 2025
[FEATURE REQ] Responses "prompt" attribute Open

area: responses blocked: upstream feature-request

openai/openai-dotnet#500 · 24 comments · 2 reactions · 1 assignee · Opened Jun 29, 2025
There doesn't seem to be a way to pass multiple reference images to a single generation Open

feature-request

Difficulty 3/5 1-2 days Newbie friendliness 55/100

openai/openai-dotnet#432 · 2 comments · 3 reactions · Opened May 12, 2025
Support for ChunkingStrategy in VectorStoreClient.CreateBatchFileJobAsync Open

area: files feature-request

openai/openai-dotnet#386 · 3 comments · 1 assignee · Opened Mar 21, 2025
Assistants calls crashes on iOS, but not Windows. Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openai/openai-dotnet#377 · 1 comment · Opened Mar 18, 2025
ToolConstraint Type Cannot Be Identified or Unboxed After API Call Open

bug

openai/openai-dotnet#291 · 1 comment · 1 assignee · Opened Nov 13, 2024
Lack of Documentation for `OpenAI.FineTuning` Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

openai/openai-dotnet#286 · Opened Nov 10, 2024

openai/openai-dotnet

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