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OpenAssistant vs. Pythia

LLM Comparison


OpenAssistant

OpenAssistant

Overview

OpenAssistant is a project organized by LAION with aim of providing an open source alternative to ChatGPT. Its primary effort is to collected instruct examples to then tune existing LLMs. The first major release is available as part of Hugging Face's HuggingChat.



Initial release: 2023-04-15

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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More Comparisons

OpenAssistant

Pythia

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Varies Apache 2.0
Model Sizes 6.7B, 6.9B, 7B, 12B, 30B 1B, 1.4B, 2.8B, 6.9B, 12B