Ornith-1.5: Check the Results for the Size You Can Run
MODELS & COSTS Ornith-1.5: Check the Results for the Size You Can Run Open Source Factory · Aug 19, 2026 · 4 min read The flagship's comparison with Opus tells a reader little about the smaller Ornith checkpoint without its own results. The family shares a release, not identical capability. For a local deployment, start with the exact artifact, license and tests for the size the machine can host. In this article What is Ornith-1.5? The 397B vendor comparison with Opus 4.8 Reported changes from Ornith-1.0 Smaller variants and deployment requirements Linked source documents The headline comparisons are the team's own evaluations. They include gains over Ornith-1.0, but the flagship's score does not transfer automatically to the 35B-A3B release. The model cards list MIT-licensed weights. The 397B results lead Opus 4.8 in some rows and trail it in others; this is a task-specific vendor comparison, rather than an overall independent ranking. What is Ornith-1.5? Orni...