Models
Models
Open models from Osaurus that run on your own computer, built for steady tool use. Each one says whether it runs on Mac, Windows, or both. Osaurus also runs other open models from Hugging Face on either one.
Not sure what your computer can run? See which models fit your Mac or PC.
Allosaurus v0.1
Qwen's 125B Qwen3.8-Flash-Next, compressed and calibrated for Osaurus. It runs in about 35 GiB on a 48 GB Mac, stays closer to the original than our previous build, and writes 55–119 tokens per second on an M5 Max.
125B
Parameters, 6.7B active
35 GiB
In memory
48 GB
Mac memory
Raptor 0.6
A 4B dense agent model built on Spark-X2.5-4B, tuned for Osaurus tools, and compressed to 3.7 GB. It reasons by default, writes about 105 tokens per second on an M5 Max, and runs in as little as 8 GB of memory. On Windows it ships as a GGUF.
4.1B
Dense parameters
3.7 GB
Bundle size
105 tokens/s
Speed, M5 Max
Raptor 0.5
An 8B mixture-of-experts model that uses about 1B parameters per token. It runs every Osaurus tool in 6.3 GB and stays loaded on the 8–16 GB Macs most people own. Replaced by Raptor 0.6.
7.9B
Total parameters
~1B
Active per token
6.3 GB
Bundle size
AppleScript-8B & AppleScript-16B-A4B
Two open models that turn plain-English requests into working macOS automation. They run on your Mac, call tools, and are compressed to fit Apple Silicon.
8B & 16B
Model sizes
8–16 GB
RAM required
Local
Private by default