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Mistral vs. Pythia

LLM Comparison


Mistral

Mistral

Overview

Developed by some of the researchers behind Llama, the Mistral large language models are the gold standard for accessible and performant open source models.


Mistral AI offers 7B and a mixture-of-experts 8x7B open source models competitive or better than commercial models of similar size. Available under the Apache 2.0 license, the Mistral models are now also available via most cloud vendors. After releasing their open source models, Mistral AI has also begun offering Small, Large, and Embed models via their business API.


Initial release: 2023-09-27

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

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

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Mistral

Pythia

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Apache 2.0
Model Sizes 7B, 8x7B 1B, 1.4B, 2.8B, 6.9B, 12B