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OLMo

Allen Institute for AI · #24 most active of 27 in Writing

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Fully open language models with open data and training code.

Current version

OLMo 3

Entry cost

Open weights, free

Changes / 30d

0

The short answers

What is the latest version of OLMo?
The current shipped version of OLMo is OLMo 3.
How much does OLMo cost?
OLMo has no published flat entry price. Open weights, free
What AI model does OLMo use?
OLMo runs primarily on OLMo 3.

Source: Allen Institute for AI (no public source page recorded) · Reusable under CC BY 4.0 — cite Tomorrow

Capabilities

  • Open data
  • Open checkpoints
  • Full recipe

Pricing

Open weights, free

Entry price over time

Not enough pricing history yet — we start charting from the second observation.

Geek mode

Models under the hood

  • OLMo 3

    Provider undisclosed

    disclosed

Context window

—

Public API

no

Multi-model routing

no

Stack signals

  • Open source stack

Shared model stack

Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.

  • OLMo 3Provider undisclosed · 1 product

green disclosed · amber inferred · grey unattributed. Aliases are folded into one model; provider concentration counts only models with an established vendor.

Reported scale

Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.

No public usage figure on record for this product.

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Change history

No changes recorded yet.

Subscribe to OLMo changes

OLMo compared

Straight head-to-head pages against the busiest products in Writing.

OLMo vs ERNIE BotOLMo vs HunyuanOLMo vs ChatGPTOLMo vs KimiOLMo vs Notion AIOLMo vs Qwen Chat

How to cite this page

Free to cite and reuse under CC BY 4.0. Permalink: https://tomorrow.aliensquad.ai/tools/ai2-olmo

APA
Tomorrow. (2026). OLMo — version, pricing and model stack [Data set entry]. AlienSquad. Retrieved 2026-09-17, from https://tomorrow.aliensquad.ai/tools/ai2-olmo
BibTeX
@misc{tomorrow-tools-ai2-olmo,
  author       = {{Tomorrow}},
  title        = {OLMo — version, pricing and model stack},
  year         = {2026},
  publisher    = {AlienSquad},
  howpublished = {\url{https://tomorrow.aliensquad.ai/tools/ai2-olmo}},
  note         = {Accessed: 2026-09-17}
}