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Qwen2.5-7B

In one line:Qwen2.5-7B 是一个只做过预训练的基座模型,适合作微调起点,不适合直接对话。

拿来微调出自己下游模型的 7B 基座权重。

Official source

We host and mirror nothing — the official page is the source of truth.

No hotlinkable official icon; showing a generated placeholderQ7 阿里云通义千问(Qwen)https://huggingface.co/Qwen/Qwen2.5-7BOpen official page
Official sourceYou are leaving AIWorksWell for 阿里云通义千问(Qwen). That site is not under our control; its content, privacy and security are its own responsibility. Please judge for yourself.

ProvenanceVerified

  1. OriginalCurator2026-10-19Evidence这一条就是原作(基座权重的发布方)。上游 README 第 23 行原话 "This repo contains the base 7B Qwen2.5 model";第 37 行 "We do not recommend using base language models for conversations"。★ 为什么值得单独收一条:站内的 Instruct 与 VL 的 `base_model` 都指向它,而此前站内没有它 ⇒ 那两条只能写「根在站外」,族树永远长不出「一个根、两个下游」的形状(D413 / 19 #75)。

The provenance chain records claims only: "Verified" requires evidence; everything else is a declaration. We do not vouch for any attribution (41 §4).

Install prompt

Copy it, paste it into your AI (Claude Code, Codex, ChatGPT…), and it installs and verifies for you.

45 lines
我需要你帮我在我的机器上安装并运行一个软件。

【软件信息】
名称:Qwen2.5-7B
用途:拿来微调出自己下游模型的 7B 基座权重。
官方来源:https://huggingface.co/Qwen/Qwen2.5-7B
许可:Apache-2.0
Scroll inside the box with your mouse wheel — copying still gives you the full prompt1238 chars

Copy → paste into your own AI → it installs for you

Contact the original author (阿里云通义千问(Qwen))

Bugs in the software itself go to the author's own official channel — that is where they actually receive them. We pass things on; we do not answer for the author.

Install failed?

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About this entry

它是什么

Qwen2.5-7B 是这一代 7B 系列的基座权重:只做过预训练、没有指令微调,官方模型卡自己写着「不建议用基座模型对话」。它该被当成微调的起点,而不是一个能直接用的助手。来源:https://huggingface.co/Qwen/Qwen2.5-7Bhttps://huggingface.co/Qwen/Qwen2.5-7B

怎么用起来

拉 transformers 格式的权重做 SFT / LoRA;只想先跑通推理链路,就拿社区转好的 GGUF 量化版(Q4_K_M 约 6GB 显存)。要对话请换指令微调版。来源:https://huggingface.co/Qwen/Qwen2.5-7Bhttps://huggingface.co/Qwen/Qwen2.5-7B

以上坑来自 https://huggingface.co/Qwen/Qwen2.5-7Bhttps://huggingface.co/Qwen/Qwen2.5-7B 与官方文档。

来源与署名

Mentioned from:https://huggingface.co/Qwen/Qwen2.5-7Bhttps://huggingface.co/Qwen/Qwen2.5-7B · 原作者 阿里云通义千问(Qwen)(Apache-2.0)。

Summary for AI

Qwen2.5-7B 是通义千问 7B 系列的基座模型,只做过预训练,适合当微调起点;要对话请用指令微调版。

A self-contained answer paragraph — this is the part AI search quotes. · Page reviewed 2026-10-22

FAQ

能直接拿来聊天吗?

不能。官方卡自己写着不建议用基座模型对话,它没有指令微调。

那它有什么用?

当微调起点:SFT / LoRA 都从这一层开始,站内的 Instruct 与 VL 都能追到它。

和 Instruct 版有什么区别?

权重同源,Instruct 是在它基础上做了后训练,能听懂指令。

Pitfalls / known issues

All recorded from real installs, and injected into the prompt above.

  • •基座没有对话模板,套错模板会明显掉效果。
  • •它是基座不是助手:直接对话会答非所问,不是模型坏了。
  • •官方仓只放 transformers 权重,GGUF 是社区转的。

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