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Code Issues 775 Packages Projects Releases 10 Wiki Activity

Assistant Response Prefill #5136

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opened 2026-02-21 18:09:34 -05:00 by yindo · 3 comments
yindo commented 2026-02-21 18:09:34 -05:00
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Originally created by @sfyumi on GitHub (Aug 20, 2024).

Self Checks

  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
  • [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:）
  • 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.

I would like to request a new feature for the Claude models: support for response prefill. This feature would be incredibly useful, especially for chat-based applications, as it allows for better control over the conversation flow.

By implementing response prefill, developers can predefine certain responses, enabling more structured and guided interactions. This can enhance user experience by ensuring that conversations stay on track and meet specific objectives.

By the way, openai's GPT models also support this feature.

2. Additional context or comments

https://docs.anthropic.com/en/docs/build-with-claude/prompt-engineering/prefill-claudes-response

3. Can you help us with this feature?

  • I am interested in contributing to this feature.
Originally created by @sfyumi on GitHub (Aug 20, 2024). ### Self Checks - [X] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [X] I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)). - [X] [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:） - [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. I would like to request a new feature for the Claude models: support for response prefill. This feature would be incredibly useful, especially for chat-based applications, as it allows for better control over the conversation flow. By implementing response prefill, developers can predefine certain responses, enabling more structured and guided interactions. This can enhance user experience by ensuring that conversations stay on track and meet specific objectives. By the way, openai's GPT models also support this feature. ### 2. Additional context or comments https://docs.anthropic.com/en/docs/build-with-claude/prompt-engineering/prefill-claudes-response ### 3. Can you help us with this feature? - [ ] I am interested in contributing to this feature.
yindo added the 💪 enhancement label 2026-02-21 18:09:34 -05:00
yindo closed this issue 2026-02-21 18:09:34 -05:00
yindo commented 2026-02-21 18:09:34 -05:00
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@jailbreak07 commented on GitHub (Aug 26, 2024):

+1 for response prefill. Some key benefits:

  • Helps format outputs consistently
  • Improves role-playing consistency in chatbots
  • Useful for both text gen and conversational AI
@jailbreak07 commented on GitHub (Aug 26, 2024): +1 for response prefill. Some key benefits: - Helps format outputs consistently - Improves role-playing consistency in chatbots - Useful for both text gen and conversational AI
yindo commented 2026-02-21 18:09:34 -05:00
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@johnduan888 commented on GitHub (Apr 29, 2025):

@dosu
I need it, 1.3.0 also does not have this feature

@johnduan888 commented on GitHub (Apr 29, 2025): @dosu I need it, 1.3.0 also does not have this feature
yindo commented 2026-02-21 18:09:34 -05:00
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@dosubot[bot] commented on GitHub (Apr 29, 2025):

It seems there is interest in implementing a response prefill feature for Claude models in Dify, which would enhance structured and guided interactions in chat-based applications. Currently, there is no information available about the implementation of response prefill for Claude models in Dify. This feature would allow developers to predefine certain responses, improving conversation flow and user experience. If you're interested in contributing to this feature, it might be beneficial to discuss it further with the maintainers or explore the possibility of developing it collaboratively.

To continue talking to Dosu, mention @dosu.

Help Dosu learn! Give it feedback: Great Response | Irrelevant Answer | Incorrect Sources | Too Verbose | Hallucination | Bug Report | Other

@dosubot[bot] commented on GitHub (Apr 29, 2025): <!-- Answer --> It seems there is interest in implementing a response prefill feature for Claude models in Dify, which would enhance structured and guided interactions in chat-based applications. Currently, there is no information available about the implementation of response prefill for Claude models in Dify. This feature would allow developers to predefine certain responses, improving conversation flow and user experience. If you're interested in contributing to this feature, it might be beneficial to discuss it further with the maintainers or explore the possibility of developing it collaboratively. <!-- Dosu Comment Footer --> *To continue talking to [Dosu](https://dosu.dev), mention @dosu.* --- <sup>Help Dosu learn! Give it feedback: [Great Response](https://app.dosu.dev/response-feedback/13216c31-e342-44fc-8ce5-dbdf7f999d5f?feedback_type=great_response) | [Irrelevant Answer](https://app.dosu.dev/response-feedback/13216c31-e342-44fc-8ce5-dbdf7f999d5f?feedback_type=irrelevant_answer) | [Incorrect Sources](https://app.dosu.dev/response-feedback/13216c31-e342-44fc-8ce5-dbdf7f999d5f?feedback_type=incorrect_sources) | [Too Verbose](https://app.dosu.dev/response-feedback/13216c31-e342-44fc-8ce5-dbdf7f999d5f?feedback_type=too_verbose) | [Hallucination](https://app.dosu.dev/response-feedback/13216c31-e342-44fc-8ce5-dbdf7f999d5f?feedback_type=hallucination) | [Bug Report](https://app.dosu.dev/response-feedback/13216c31-e342-44fc-8ce5-dbdf7f999d5f?feedback_type=bug_report) | [Other](https://app.dosu.dev/response-feedback/13216c31-e342-44fc-8ce5-dbdf7f999d5f?feedback_type=other)</sup>
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Reference: langgenius/dify#5136
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