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https://github.com/BlinkDL/ChatRWKV

ChatRWKV is like ChatGPT but powered by RWKV (100% RNN) language model, and open source.
https://github.com/BlinkDL/ChatRWKV

chatbot chatgpt language-model pytorch rnn rwkv

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ChatRWKV is like ChatGPT but powered by RWKV (100% RNN) language model, and open source.

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# ChatRWKV (pronounced as "RwaKuv" (rʌkuv in IPA), from 4 major params: R W K V)



RWKV homepage: https://www.rwkv.com



## Please check https://github.com/BlinkDL/ChatRWKV/blob/main/API_DEMO_CHAT.py first



ChatRWKV is like ChatGPT but powered by my RWKV (100% RNN) language model, which is the only RNN (as of now) that can match transformers in quality and scaling, while being faster and saves VRAM. Training sponsored by Stability EleutherAI :)



Our latest version is **RWKV-6** https://arxiv.org/abs/2404.05892 (Preview models: https://huggingface.co/BlinkDL/temp )



**RWKV-6 3B** Demo: https://huggingface.co/spaces/BlinkDL/RWKV-Gradio-1



**RWKV-6 7B** Demo: https://huggingface.co/spaces/BlinkDL/RWKV-Gradio-2



![RWKV-v5-benchmark-1](RWKV-v5-benchmark-1.png)



**RWKV-LM main repo**: https://github.com/BlinkDL/RWKV-LM (explanation, fine-tuning, training, etc.)



Chat Demo for developers: https://github.com/BlinkDL/ChatRWKV/blob/main/API_DEMO_CHAT.py



## RWKV Discord: https://discord.gg/bDSBUMeFpc (7k+ members)



**Twitter**: https://twitter.com/BlinkDL_AI



**Homepage**: https://www.rwkv.com/



**Raw cutting-edge RWKV weights:** https://huggingface.co/BlinkDL



**HF-compatible RWKV weights:** https://huggingface.co/RWKV



Use v2/convert_model.py to convert a model for a strategy, for faster loading & saves CPU RAM.



Note RWKV_CUDA_ON will build a CUDA kernel (much faster & saves VRAM). Here is how to build it ("pip install ninja" first):

```

# How to build in Linux: set these and run v2/chat.py

export PATH=/usr/local/cuda/bin:$PATH

export LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH

# How to build in win:

Install VS2022 build tools (https://aka.ms/vs/17/release/vs_BuildTools.exe select Desktop C++). Reinstall CUDA 11.7 (install VC++ extensions). Run v2/chat.py in "x64 native tools command prompt". 

```

**RWKV pip package**: https://pypi.org/project/rwkv/ **(please always check for latest version and upgrade)**



https://github.com/cgisky1980/ai00_rwkv_server Fastest GPU inference API with vulkan (good for nvidia/amd/intel)



https://github.com/cryscan/web-rwkv backend for ai00_rwkv_server



https://github.com/saharNooby/rwkv.cpp Fast CPU/cuBLAS/CLBlast inference: int4/int8/fp16/fp32



https://github.com/JL-er/RWKV-PEFT lora/pissa/Qlora/Qpissa/state tuning



https://github.com/RWKV/RWKV-infctx-trainer Infctx trainer



**World demo script:** https://github.com/BlinkDL/ChatRWKV/blob/main/API_DEMO_WORLD.py



**Raven Q&A demo script:** https://github.com/BlinkDL/ChatRWKV/blob/main/v2/benchmark_more.py



![ChatRWKV-strategy](ChatRWKV-strategy.png)



**RWKV in 150 lines** (model, inference, text generation): https://github.com/BlinkDL/ChatRWKV/blob/main/RWKV_in_150_lines.py



**🔥 RWKV v5 in 250 lines 🔥** (with tokenizer too): https://github.com/BlinkDL/ChatRWKV/blob/main/RWKV_v5_demo.py



**🔥 Building your own RWKV inference engine 🔥**: begin with https://github.com/BlinkDL/ChatRWKV/blob/main/src/model_run.py which is easier to understand (used by https://github.com/BlinkDL/ChatRWKV/blob/main/chat.py).



**RWKV preprint** https://arxiv.org/abs/2305.13048



![RWKV-paper](RWKV-paper.png)



RWKV v6 illustrated:



![RWKV-v6](rwkv-x060.png)



**Cool Community RWKV Projects**:



https://github.com/saharNooby/rwkv.cpp fast i4 i8 fp16 fp32 CPU inference using [ggml](https://github.com/ggerganov/ggml)



https://github.com/harrisonvanderbyl/rwkv-cpp-cuda fast windows/linux & cuda/rocm/vulkan GPU inference (no need for python & pytorch)



https://github.com/Blealtan/RWKV-LM-LoRA LoRA fine-tuning



https://github.com/josStorer/RWKV-Runner cool GUI



More RWKV projects: https://github.com/search?o=desc&q=rwkv&s=updated&type=Repositories



ChatRWKV v2: with "stream" and "split" strategies, and INT8. 3G VRAM is enough to run RWKV 14B :) https://github.com/BlinkDL/ChatRWKV/tree/main/v2

```python

os.environ["RWKV_JIT_ON"] = '1'

os.environ["RWKV_CUDA_ON"] = '0' # if '1' then use CUDA kernel for seq mode (much faster)

from rwkv.model import RWKV                         # pip install rwkv

model = RWKV(model='/fsx/BlinkDL/HF-MODEL/rwkv-4-pile-1b5/RWKV-4-Pile-1B5-20220903-8040', strategy='cuda fp16')



out, state = model.forward([187, 510, 1563, 310, 247], None)   # use 20B_tokenizer.json

print(out.detach().cpu().numpy())                   # get logits

out, state = model.forward([187, 510], None)

out, state = model.forward([1563], state)           # RNN has state (use deepcopy if you want to clone it)

out, state = model.forward([310, 247], state)

print(out.detach().cpu().numpy())                   # same result as above

```

![RWKV-eval](RWKV-eval.png)



Here is https://huggingface.co/BlinkDL/rwkv-4-raven/blob/main/RWKV-4-Raven-14B-v7-Eng-20230404-ctx4096.pth in action:

![ChatRWKV](ChatRWKV.png)



When you build a RWKV chatbot, always check the text corresponding to the state, in order to prevent bugs.



1. Never call raw forward() directly. Instead, put it in a function that will record the text corresponding to the state.



**(For v4-raven models, use Bob/Alice. For v4/v5/v6-world models, use User/Assistant)**



2. The best chat format (check whether your text is of this format):

```Bob: xxxxxxxxxxxxxxxxxx\n\nAlice: xxxxxxxxxxxxx\n\nBob: xxxxxxxxxxxxxxxx\n\nAlice:```



* There should not be any space after the final "Alice:". The generation result will have a space in the beginning, and you can simply strip it.

* You can use \n in xxxxx, but avoid \n\n. So simply do ```xxxxx = xxxxx.strip().replace('\r\n','\n').replace('\n\n','\n')```



If you are building your own RWKV inference engine, begin with https://github.com/BlinkDL/ChatRWKV/blob/main/src/model_run.py which is easier to understand (used by https://github.com/BlinkDL/ChatRWKV/blob/main/chat.py)



The lastest "Raven"-series Alpaca-style-tuned RWKV 14B & 7B models are very good (almost ChatGPT-like, good at multiround chat too). Download: https://huggingface.co/BlinkDL/rwkv-4-raven



Previous old model results:

![ChatRWKV](misc/sample-1.png)

![ChatRWKV](misc/sample-2.png)

![ChatRWKV](misc/sample-3.png)

![ChatRWKV](misc/sample-4.png)

![ChatRWKV](misc/sample-5.png)

![ChatRWKV](misc/sample-6.png)

![ChatRWKV](misc/sample-7.png)



## 中文模型



QQ群 553456870（加入时请简单自我介绍）。有研发能力的朋友加群 325154699。



中文使用教程：https://zhuanlan.zhihu.com/p/618011122 https://zhuanlan.zhihu.com/p/616351661



推荐UI：https://github.com/l15y/wenda



## Star History



[![Star History Chart](https://api.star-history.com/svg?repos=BlinkDL/ChatRWKV&type=Date)](https://star-history.com/#BlinkDL/ChatRWKV&Date)