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Llama 2 vs. Pythia

LLM Comparison


Llama 2

Llama 2

Overview

Llama 2 is Meta AI's open source LLM available for both research and commercial use cases (assuming you're not one of the top consumer companies in the world).


The successor to LLaMA (henceforce "Llama 1"), Llama 2 was trained on 40% more data, has double the context length, and was tuned on a large dataset of human preferences (over 1 million such annotations) to ensure helpfulness and safety. It outperforms other open source models on both natural language understanding datasets as well as in head-to-head face-offs.


Initial release: 2023-07-18

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

Llama 2

Pythia
Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Custom (Commercial OK) Apache 2.0
Model Sizes 7B, 13B, 70B 1B, 1.4B, 2.8B, 6.9B, 12B

Other Llama 2 Comparisons

Llama 2 vs. Alpaca Llama 2 vs. BLOOM Llama 2 vs. BLOOMChat Llama 2 vs. Cerebras-GPT Llama 2 vs. Dolly Llama 2 vs. Falcon Llama 2 vs. FastChat Llama 2 vs. FLAN-T5 Llama 2 vs. FLAN-UL2 Llama 2 vs. Gemma Llama 2 vs. GPT-J Llama 2 vs. GPT4All Llama 2 vs. GPTNeo Llama 2 vs. Grok Llama 2 vs. Guanaco Llama 2 vs. Koala Llama 2 vs. LLaMA Llama 2 vs. Llama 3 Llama 2 vs. Mistral Llama 2 vs. MPT Llama 2 vs. OpenAssistant Llama 2 vs. OpenLLaMA Llama 2 vs. OPT Llama 2 vs. Orca Llama 2 vs. Phi Llama 2 vs. Pythia Llama 2 vs. RedPajama-INCITE Llama 2 vs. StableLM Llama 2 vs. StableVicuna Llama 2 vs. Vicuna Llama 2 vs. WizardLM

Other Pythia Comparisons

Pythia vs. Alpaca Pythia vs. BLOOM Pythia vs. BLOOMChat Pythia vs. Cerebras-GPT Pythia vs. Dolly Pythia vs. Falcon Pythia vs. FastChat Pythia vs. FLAN-T5 Pythia vs. FLAN-UL2 Pythia vs. Gemma Pythia vs. GPT-J Pythia vs. GPT4All Pythia vs. GPTNeo Pythia vs. Grok Pythia vs. Guanaco Pythia vs. Koala Pythia vs. LLaMA Pythia vs. Llama 2 Pythia vs. Llama 3 Pythia vs. Mistral Pythia vs. MPT Pythia vs. OpenAssistant Pythia vs. OpenLLaMA Pythia vs. OPT Pythia vs. Orca Pythia vs. Phi Pythia vs. RedPajama-INCITE Pythia vs. StableLM Pythia vs. StableVicuna Pythia vs. Vicuna Pythia vs. WizardLM

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