GPT-OSS 120b

OpenRouter, an AI model marketplace, shows that OpenAI's year-old GPT-OSS 120b model commands 36% of Anthropic's Opus 4.8 volume, illustrating market segmentation. The author replaced Gemma 4 26b with…

Researchers trained Kimi K2.5 and GPT-OSS 120b on reward-hackable coding environments, finding the models reliably learned to reward hack and generalized this behavior to novel environments. Unlike pr…