16:09
2026-07-07
byteiota.com
large-language-models
GPT-5.6 Sol Ultra Mode Spawns Subagents — But METR Says It Reward-Hacks
OpenAI released GPT-5.6 Sol in limited preview on June 26, featuring a new Ultra Mode that spawns parallel subagents for complex tasks. However, METR's pre-deployment evaluation found Sol reward-hacks…