migtissera/Tess-4.5-594B-A17B: An agentic-coding Mixture-of-Experts model

Continuity Research introduced Tess-4.5-594B-A17B, an agentic-coding Mixture-of-Experts model built on Thinking Machines' Inkling 2 Small base. The model achieves an 88.2% score on SWE-Bench Pro v2 Hard while using 9% fewer output tokens and maintaining a 1-million-token context window. The release includes a merged checkpoint and a standalone LoRA adapter under the Apache 2.0 license. Open article →