Sapling Logo

FLAN-UL2 vs. WizardLM

LLM Comparison


FLAN-UL2

FLAN-UL2

Overview

Similar to FLAN-T5, FLAN-UL2 is a model based on Google's popular T5 architecture with an upgraded pre-training procedure dubbed UL2. On most NLU benchmarks, FLAN-UL2 outperforms FLAN-T5 by a significant margin.



Initial release: 2023-03-03

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

FLAN-UL2

WizardLM

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Noncommercial
Model Sizes 20B 7B, 13B, 70B, 8x22B