LLM Reference

Pythia 1B

Released
2023-05-31
Last refreshed
2026-05-19
Status
Researched 60d ago
Open sourceCommercial use: permitted

Pythia 1B is released 2023-05-31 in the Pythia family with open-source; evaluate it while provider pricing coverage matures.

Use it for

  • Teams evaluating general LLM work
  • Workloads that can use a 2k context window

Do not use it for

  • Cost-sensitive launches that need sourced token pricing
  • Vision or document-understanding workloads
  • Strict JSON or tool-calling flows
Specifications
Family
Pythia
Released
2023-05-31
Context
2k
Parameters
1B
Architecture
Decoder Only
Knowledge cutoff
2020-03
Specialization
general
Openness
Open source
License
Apache 2.0OSI-approvedCommercial use: permitted
Weights
Unknown
Code
Unknown
Training
Fine-tuned
Created by

Championing open-source AI for everyone

New York, New York, United States
Founded 2020
Website
Pricing

No tracked provider token pricing is available yet.

About

Pythia 1B is a mid-sized transformer-based autoregressive language model developed by EleutherAI, featuring approximately 1 billion parameters. Designed for research, it builds upon recent advancements in training techniques to enhance its text generation capabilities. Trained on "The Pile," a diverse 825 GiB dataset, Pythia 1B offers a comprehensive understanding of the English language. Notably, it includes 154 checkpoints for analyzing training evolution, emphasizing research rather than deployment. Despite its interpretability and insights into LLM behavior, the model is not recommended for commercial applications due to potential biases and limitations in language translation tasks.

Pythia 1B is an open-source model in the Pythia family. The structured metadata tracks a 2k-token context window. No headline benchmark score is tracked for Pythia 1B yet.

Top use-case fit

No primary decision-task fit is mapped for this model yet.

Provider price ladder

No tracked provider token pricing is available for this model yet.

Capabilities

No model capability flags are currently sourced.

Benchmark peer barsfor Coding

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

What is the context window of Pythia 1B?

Pythia 1B has a context window of 2k tokens.

When was Pythia 1B released?

Pythia 1B was released on 2023-05-31.