GPT-5.6 Sol: Opus 4.8 perf @ 40% of the cost
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GPT-5.6 Sol just joined the Pareto frontier on open source benchmark Senior SWE-bench, and there's a clear trend towards efficiency. Quick TL:DR
For context, Senior SWE-Bench is a benchmark for evaluating agents on their ability to act as senior engineers developed by a colleague of mine. Senior SWE-Bench is open-source and Harbor-compatible. The initial release has 100 total tasks, with 50 kept private to mitigate contamination. submitted by /u/PubliusAu |
