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Pythia vs. WizardLM

LLM Comparison


Pythia

Pythia

Overview

The most recent (as of May 2023) effort from EleutherAI, Pythia is a set of LLMs trained on The Pile. While it appears to outperform OPT and GPTNeo, its performance against GPT-J is unclear. Versions of Pythia have also been instruct-tuned by the team at Together.



Initial release: 2023-02-13

Further Reading

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

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Pythia

WizardLM

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Noncommercial
Model Sizes 1B, 1.4B, 2.8B, 6.9B, 12B 7B, 13B, 70B, 8x22B