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Doesn't support Upstage Solar-Pro and Solar-Pro2 models, and errors in Embedding model #648

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opened 2026-02-16 10:20:03 -05:00 by yindo · 7 comments
yindo commented 2026-02-16 10:20:03 -05:00
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Originally created by @youngju-up on GitHub (Sep 14, 2025).

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • Please do not modify this template :) and fill in all the required fields.

1. Is this request related to a challenge you're experiencing? Tell me about your story.

Plugin Name

upstage

Function Description

Title:
Please support for Solar-Pro and Solar-Pro2 models, and fix Embedding model input error in Dify Upstage plugin

Description:

The latest version of plugin(upstage 0.0.5) only support 3 models below although Upstage released newest model solar-pro, solar-pro2(Reasoning model)

Image

We would like to request the following updates to the Dify Upstage plugin:

  1. Model Support

    • Please add support for the following Upstage models:

      • solar-pro
      • solar-pro2

  2. Embedding Model Error

    • The embedding model solar-embedding-1-large-query , solar-embedding-1-large-passage is currently not working correctly.

    • When calling the API, we encounter the following error:

      [models] Bad Request Error, Error code: 400 - {'error': {'message': "'$.input' is invalid. Please check the API reference: https://developers.upstage.ai/docs/apis/embeddings", 'type': 'invalid_request_error', 'param': 'input', 'code': None}}

    • This seems to indicate that the request payload does not match the expected API format. Please update the plugin to send the correct input parameter according to the [Upstage Embeddings API reference](https://developers.upstage.ai/docs/apis/embeddings).

Expected Outcome:

  • The Dify Upstage plugin should support solar-pro and solar-pro2.
  • The embedding model solar-embedding-1-large-query should function without request errors.

Official Website URL

https://console.upstage.ai/api/chat

2. Additional context or comments

No response

3. Can you help us with this feature?

  • I am interested in contributing to this feature.
Originally created by @youngju-up on GitHub (Sep 14, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify-official-plugins/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] Please do not modify this template :) and fill in all the required fields. ### 1. Is this request related to a challenge you're experiencing? Tell me about your story. ### Plugin Name upstage ### Function Description **Title:** Please support for Solar-Pro and Solar-Pro2 models, and fix Embedding model input error in Dify Upstage plugin **Description:** The latest version of plugin([upstage 0.0.5)](https://marketplace.dify.ai/plugins/langgenius/upstage) only support 3 models below although Upstage released newest model solar-pro, solar-pro2(Reasoning model) <img width="787" height="249" alt="Image" src="https://github.com/user-attachments/assets/bde521a7-1245-4a12-8e8f-0aaebb7e985e" /> We would like to request the following updates to the Dify Upstage plugin: 1. **Model Support** * Please add support for the following Upstage models: * `solar-pro` * `solar-pro2` 2. **Embedding Model Error** * The embedding model `solar-embedding-1-large-query` , `solar-embedding-1-large-passage` is currently not working correctly. * When calling the API, we encounter the following error: ``` [models] Bad Request Error, Error code: 400 - {'error': {'message': "'$.input' is invalid. Please check the API reference: https://developers.upstage.ai/docs/apis/embeddings", 'type': 'invalid_request_error', 'param': 'input', 'code': None}} ``` * This seems to indicate that the request payload does not match the expected API format. Please update the plugin to send the correct `input` parameter according to the [[Upstage Embeddings API reference](https://developers.upstage.ai/docs/apis/embeddings)](https://developers.upstage.ai/docs/apis/embeddings). **Expected Outcome:** * The Dify Upstage plugin should support `solar-pro` and `solar-pro2`. * The embedding model `solar-embedding-1-large-query` should function without request errors. ### Official Website URL https://console.upstage.ai/api/chat ### 2. Additional context or comments _No response_ ### 3. Can you help us with this feature? - [x] I am interested in contributing to this feature.
yindo added the bugenhancement labels 2026-02-16 10:20:03 -05:00
yindo closed this issue 2026-02-16 10:20:03 -05:00
yindo commented 2026-02-16 10:20:03 -05:00
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@dosubot[bot] commented on GitHub (Oct 1, 2025):

Hi, @youngju-up. I'm Dosu, and I'm helping the dify-official-plugins team manage their backlog and am marking this issue as stale.

Issue Summary:

  • You requested support for new Upstage models "solar-pro" and "solar-pro2" in the Dify Upstage plugin.
  • You reported errors with embedding models "solar-embedding-1-large-query" and "solar-embedding-1-large-passage" returning 400 Bad Request due to invalid input parameters.
  • You suggested updating the plugin to align with Upstage's current API payload format.
  • There has been no further activity or comments on this issue since it was opened.

Next Steps:

  • Please let me know if this issue is still relevant with the latest version of the dify-official-plugins repository by commenting here.
  • If I do not hear back within 5 days, I will automatically close this issue.

Thank you for your understanding and contribution!

@dosubot[bot] commented on GitHub (Oct 1, 2025): Hi, @youngju-up. I'm [Dosu](https://dosu.dev), and I'm helping the dify-official-plugins team manage their backlog and am marking this issue as stale. **Issue Summary:** - You requested support for new Upstage models "solar-pro" and "solar-pro2" in the Dify Upstage plugin. - You reported errors with embedding models "solar-embedding-1-large-query" and "solar-embedding-1-large-passage" returning 400 Bad Request due to invalid input parameters. - You suggested updating the plugin to align with Upstage's current API payload format. - There has been no further activity or comments on this issue since it was opened. **Next Steps:** - Please let me know if this issue is still relevant with the latest version of the dify-official-plugins repository by commenting here. - If I do not hear back within 5 days, I will automatically close this issue. Thank you for your understanding and contribution!
yindo commented 2026-02-16 10:20:03 -05:00
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@youngju-up commented on GitHub (Oct 1, 2025):

Yes As I checked the latest version, it is still unchanged.
https://github.com/langgenius/dify-official-plugins/tree/main/models/upstage

@youngju-up commented on GitHub (Oct 1, 2025): Yes As I checked the latest version, it is still unchanged. https://github.com/langgenius/dify-official-plugins/tree/main/models/upstage
yindo commented 2026-02-16 10:20:03 -05:00
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@dosubot[bot] commented on GitHub (Oct 1, 2025):

@crazywoola The user confirmed the issue with Upstage models and embedding errors is still relevant and unchanged in the latest version. Could you please assist with this?

@dosubot[bot] commented on GitHub (Oct 1, 2025): @crazywoola The user confirmed the issue with Upstage models and embedding errors is still relevant and unchanged in the latest version. Could you please assist with this?
yindo commented 2026-02-16 10:20:03 -05:00
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@youngju-up commented on GitHub (Oct 14, 2025):

Hey @crazywoola , I’m Youngju Kim, DevOps Engineer at Upstage.
If you don’t have time, would it be alright if I take over this issue?

@youngju-up commented on GitHub (Oct 14, 2025): Hey @crazywoola , I’m Youngju Kim, DevOps Engineer at Upstage. If you don’t have time, would it be alright if I take over this issue?
yindo commented 2026-02-16 10:20:04 -05:00
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@youngju-up commented on GitHub (Oct 14, 2025):

This issue is important because it helps people who use my company(Upstage)’s model adopt Dify.
I really want to get this resolved.

@youngju-up commented on GitHub (Oct 14, 2025): This issue is important because it helps people who use my company(Upstage)’s model adopt Dify. I really want to get this resolved.
yindo commented 2026-02-16 10:20:04 -05:00
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@youngju-up commented on GitHub (Oct 25, 2025):

Hi, @crazywoola .
This Issue is quite important, so I’d really appreciate it if you could review it once more carefully.

@youngju-up commented on GitHub (Oct 25, 2025): Hi, @crazywoola . This Issue is quite important, so I’d really appreciate it if you could review it once more carefully.
yindo commented 2026-02-16 10:20:04 -05:00
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@dosubot[bot] commented on GitHub (Nov 10, 2025):

Hi, @youngju-up. I'm Dosu, and I'm helping the dify-official-plugins team manage their backlog and am marking this issue as stale.

Issue Summary:

  • You requested support for new Upstage models "solar-pro" and "solar-pro2" in the Dify Upstage plugin.
  • You reported 400 Bad Request errors caused by invalid input parameters with embedding models.
  • The issue was previously marked as stale but you confirmed the problem still exists in the latest version.
  • You offered to take over the issue to help expedite a fix, highlighting its importance for Upstage users.
  • The issue remains unresolved and awaiting further action.

Next Steps:

  • Please let me know if this issue is still relevant with the latest version of the dify-official-plugins repository by commenting here to keep the discussion open.
  • If I do not hear back within 5 days, this issue will be automatically closed.

Thank you for your understanding and contribution!

@dosubot[bot] commented on GitHub (Nov 10, 2025): Hi, @youngju-up. I'm [Dosu](https://dosu.dev), and I'm helping the dify-official-plugins team manage their backlog and am marking this issue as stale. **Issue Summary:** - You requested support for new Upstage models "solar-pro" and "solar-pro2" in the Dify Upstage plugin. - You reported 400 Bad Request errors caused by invalid input parameters with embedding models. - The issue was previously marked as stale but you confirmed the problem still exists in the latest version. - You offered to take over the issue to help expedite a fix, highlighting its importance for Upstage users. - The issue remains unresolved and awaiting further action. **Next Steps:** - Please let me know if this issue is still relevant with the latest version of the dify-official-plugins repository by commenting here to keep the discussion open. - If I do not hear back within 5 days, this issue will be automatically closed. Thank you for your understanding and contribution!
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Reference: langgenius/dify-official-plugins#648
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