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FastChat vs. FLAN-T5

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

FLAN-T5

FLAN-T5

Overview

FLAN-T5 is a finetuned version of Google's popular T5 model with instruct-finetuning. As stated in the model repository's introduction, compared to T5, FLAN-T5 is "just better at everything." With its permissive license, FLAN-T5 has become a popular option for a starting instruct model.



Initial release: 2022-12-06

Further Reading

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

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FastChat

FLAN-T5

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Apache 2.0
Model Sizes 3B 3B, 11B