microsoft / microsoft/foundry-dev-tools

Cannot load gpt-oss-20b model in Playground

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#256 4 comments 0 reactions 1 assignee View on GitHub

@timenick is already working on this.

Since Aug 11, 2025.

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Description

  • In the extensions catalog download the gptt-oss-20b model locally
  • Go to Playgrouns and select the downloaded model

Result is a error:

Failed loading model:gpt-oss-20b-cuda-gpu error: [E:_work\1\s\onnxruntime\core\session\provider_bridge_ort.cc:1836 onnxruntime::ProviderLibrary::Get [ONNXRuntimeError] : 1 : FAIL : Error loading "c:\Users\smithasa.vscode\extensions\ms-windows-ai-studio.windows-ai-studio-0.18.3-win32-x64\bin\onnxruntime_providers_cuda.dll" which is missing. (Error 126: "The specified module could not be found.")
, at Microsoft.ML.OnnxRuntimeGenAI.Result.VerifySuccess(IntPtr) + 0x54
at Microsoft.Neutron.OpenAI.Provider.OpenAIServiceProviderOnnx.LoadModelAsync(String, String, String, CancellationToken) + 0x773
at Microsoft.Neutron.OpenAI.Provider.OpenAIServiceProviderBase`1.d__44.MoveNext() + 0x6a3]
2025-08-08 17:37:00.291 [info] Information: Microsoft.Neutron.OpenAI.Provider.OpenAIServiceProviderOnnx [1401] 2025-08-08T17:37:00.2875194-07:00 Finish loading model:gpt-oss-20b-cuda-gpu elapsed time:00:00:00.3099748
2025-08-08 17:37:00.312 [error] Failed loading model gpt-oss-20b-cuda-gpu. E:_work\1\s\onnxruntime\core\session\provider_bridge_ort.cc:1836 onnxruntime::ProviderLibrary::Get [ONNXRuntimeError] : 1 : FAIL : Error loading "c:\Users\smithasa.vscode\extensions\ms-windows-ai-studio.windows-ai-studio-0.18.3-win32-x64\bin\onnxruntime_providers_cuda.dll" which is missing. (Error 126: "The specified module could not be found.")

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