Originally published on AI Tech Connect.
What you need to know Three trajectory corpora sit in NVIDIA's Hugging Face org, totalling 920,208 live rows on 26 August 2026. The licence is CC BY 4.0 on all of them — an open content licence with an attribution obligation, not an OSI open-source software licence. This is a programme, not a launch. The repositories date from March and April 2026; the newest expansion landed on 21 August. Only about 31% of documented Open-SWE-Traces trajectories are marked resolved. The headline count is not the usable count. Records carry tool calls and environment observations — the part you cannot reconstruct from prompt-completion data. Contamination against SWE-bench is a live risk, but the source corpora are named, so you can check it. For two years the open-model conversation has been an argument…
