- Released
- 2y ago
- Size
- 1.2Bparameters
Ai2's first fully open language model at 1B, released with its Dolma training data, code and logs.
How it compares
Frequently asked questions
Running locally
OLMo 1B needs an estimated 1.3 GB of VRAM at Q4, 1.9 GB at Q8 and 3.2 GB at FP16. The figures are estimates from the 1.2B parameter count, weights plus about 15% and 0.5 GB for a short context.
Yes. OLMo 1B fits at FP16 on a 24 GB, 16 GB, 12 GB or 8 GB GPU, with an estimated 3.2 GB of VRAM.
Yes. At Q4 OLMo 1B needs an estimated 1.3 GB. Assuming macOS lets the GPU use about 75% of unified memory, the smallest common Mac memory size that fits is 8 GB.
Privacy and data
Yes. OLMo 1B has open weights, so you can self-host it for full control of your data.
Capabilities and specs
No. OLMo 1B supports text input only.
Quality and benchmarks
The closest alternatives, matched on model kind and release date with no comparable price, are BGE Reranker V2 M3 by BAAI, SOLAR 10.7B Instruct v1.0 by Upstage and Mixtral 8x7B Instruct v0.1 by Mistral AI.
BGE Reranker V2 M3OLMo 1B vs BGE Reranker V2 M3SOLAR 10.7B Instruct v1.0OLMo 1B vs SOLAR 10.7B Instruct v1.0Mixtral 8x7B Instruct v0.1OLMo 1B vs Mixtral 8x7B Instruct v0.1
Licensing and access
OLMo 1B is open weights, released under the Apache 2.0 license.
Yes. OLMo 1B is licensed under Apache 2.0, a permissive license that allows commercial use.
You can download the OLMo 1B weights from the allenai/OLMo-1B repository on Hugging Face.
Basics
OLMo 1B was made by Ai2 and released on February 1, 2024.
Yes. OLMo 1B has open weights.
Generated from Vertical Tabs data, updated November 3, 2026.




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