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Grok vs. Pythia

LLM Comparison


Grok

Grok

Overview

Grok is a mixture-of-experts model offered by xAI.


Grok is the flagship language model of xAI, the AI company founded by Elon Musk with close ties to X.com (FKA Twitter). Grok-1 was initialized released late in 2023 and later open-sourced in March of 2024. On March 28, 2024, Grok-1.5 was released with significantly better performance and a context length of 128,000 tokens.


Initial release: 2023-11-05

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

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Grok

Pythia

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Apache 2.0
Model Sizes 314B 1B, 1.4B, 2.8B, 6.9B, 12B