Sapling Logo

FastChat vs. WizardLM

LLM Comparison


FastChat

FastChat

Overview

FastChat is the open platform for training, serving, and evaluating LLM chatbots developed and maintained by LMSYS.


FastChat is an open-source library for training, serving, and evaluating LLM chat systems from LMSYS. It includes training and evaluation code, a model serving system, a Web GUI, and a finetuning pipeline, and is the de facto system for Vicuna as well as FastChat-T5. FastChat also includes the Chatbot Arena for benchmarking LLMs.


Initial release: 2023-04-28

WizardLM

WizardLM

Overview

WizardLM is a variant of LLaMA trained with complex instructions.


WizardLM is a LLM based on LLaMA trained using a new method, called Evol-Instruct, on complex instruction data. By using AI to "evolve" instructions, WizardLM outperforms similar LLaMA-based LLMs trained on simpler instruction data. On the 6th of July, 2023, WizardLM V1.1 was released with significantly improved performance, and as of 15 April 2024, WizardLM-2 was released with state-of-the-art performance.


Initial release: 2023-05-26

Looking for an LLM API/SDK that works out of the box? No prompts or ad hoc guardrails.

Sapling API
More Comparisons

FastChat

WizardLM
Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Noncommercial
Model Sizes 3B 7B, 13B, 70B, 8x22B

Other FastChat Comparisons

FastChat vs. Alpaca FastChat vs. Cerebras-GPT FastChat vs. DeepSeek FastChat vs. Dolly FastChat vs. Falcon FastChat vs. FLAN-T5 FastChat vs. FLAN-UL2 FastChat vs. Gemma FastChat vs. Gemma 2 FastChat vs. GPT-J FastChat vs. GPT4All FastChat vs. GPTNeo FastChat vs. Grok FastChat vs. Guanaco FastChat vs. Koala FastChat vs. LLaMA FastChat vs. Llama 2 FastChat vs. Llama 3 FastChat vs. Llama 3.1 FastChat vs. Llama 3.2 FastChat vs. Llama 3.3 FastChat vs. Mistral FastChat vs. MPT FastChat vs. OpenAssistant FastChat vs. OpenLLaMA FastChat vs. OPT FastChat vs. Orca FastChat vs. Phi FastChat vs. Pythia FastChat vs. Qwen FastChat vs. RedPajama-INCITE FastChat vs. StableLM FastChat vs. StableVicuna FastChat vs. Vicuna FastChat vs. WizardLM

Other WizardLM Comparisons

WizardLM vs. Alpaca WizardLM vs. Cerebras-GPT WizardLM vs. DeepSeek WizardLM vs. Dolly WizardLM vs. Falcon WizardLM vs. FastChat WizardLM vs. FLAN-T5 WizardLM vs. FLAN-UL2 WizardLM vs. Gemma WizardLM vs. Gemma 2 WizardLM vs. GPT-J WizardLM vs. GPT4All WizardLM vs. GPTNeo WizardLM vs. Grok WizardLM vs. Guanaco WizardLM vs. Koala WizardLM vs. LLaMA WizardLM vs. Llama 2 WizardLM vs. Llama 3 WizardLM vs. Llama 3.1 WizardLM vs. Llama 3.2 WizardLM vs. Llama 3.3 WizardLM vs. Mistral WizardLM vs. MPT WizardLM vs. OpenAssistant WizardLM vs. OpenLLaMA WizardLM vs. OPT WizardLM vs. Orca WizardLM vs. Phi WizardLM vs. Pythia WizardLM vs. Qwen WizardLM vs. RedPajama-INCITE WizardLM vs. StableLM WizardLM vs. StableVicuna WizardLM vs. Vicuna

Undecided?

Get Advice