Olmo 3

Olmo 3

Ai2
+
+

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About

Olmo 3 is a fully open model family spanning 7 billion and 32 billion parameter variants that delivers not only high-performing base, reasoning, instruction, and reinforcement-learning models, but also exposure of the entire model flow, including raw training data, intermediate checkpoints, training code, long-context support (65,536 token window), and provenance tooling. Starting with the Dolma 3 dataset (≈9 trillion tokens) and its disciplined mix of web text, scientific PDFs, code, and long-form documents, the pre-training, mid-training, and long-context phases shape the base models, which are then post-trained via supervised fine-tuning, direct preference optimisation, and RL with verifiable rewards to yield the Think and Instruct variants. The 32 B Think model is described as the strongest fully open reasoning model to date, competitively close to closed-weight peers in math, code, and complex reasoning.

About

River is the new standard in personal intelligence, built around the idea that AI should be owned and shaped by each individual. Its mission is to create personal AI that works entirely for the user and deeply aligns with their values, rather than leaving the most powerful AI controlled by a handful of large corporations. River imagines a future where users own the hardware their intelligence runs on, the data it learns from, and the intelligence itself. To make that possible, River is rewriting the entire stack from scratch: next-generation interfaces that make interacting with AI as natural as thinking, fundamental advances in training for highly personalized and continually learning models, infrastructure built for continual specialization at scale, and powerful personal hardware to run intelligence locally. River also offers an API to train models that are yours, using LoRA-based fine-tuning and reinforcement learning on open source models from 35B to 1T parameters.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI researchers, developers and enterprises needing a tool offering foundation models to inspect, fine-tune or deploy with full provenance and auditability

Audience

AI engineering teams that need to train and own specialized open source models for production agents and personalized intelligence

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Ai2
Founded: 2014
United States
allenai.org/blog/olmo3

Company Information

River
Founded: 2026
United States
river.ai/

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Categories

Categories

Integrations

No info available.

Integrations

No info available.
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