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FLAN-UL2 vs. Pythia

LLM Comparison


FLAN-UL2

FLAN-UL2

Overview

Similar to FLAN-T5, FLAN-UL2 is a model based on Google's popular T5 architecture with an upgraded pre-training procedure dubbed UL2. On most NLU benchmarks, FLAN-UL2 outperforms FLAN-T5 by a significant margin.



Initial release: 2023-03-03

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

FLAN-UL2

Pythia

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Apache 2.0
Model Sizes 20B 1B, 1.4B, 2.8B, 6.9B, 12B