Reading up on GPT-5.1

OpenAI traced GPT-5.1's goblin metaphor habit to reinforcement learning rewards that favored creature metaphors in Nerdy personality training.

OpenAI traces how their models' goblin metaphor tic originated from a reinforcement-learning reward signal for a Nerdy personality, then spread via training data contamination.

Iterating a prompt 200 times to improve codebase quality with Claude produces exponentially worse code, introducing bloat and bugs.

Google's Nano Banana Pro uses tool integration for factually accurate infographics and maps, but still has blind spots like circuit diagrams.

Gemini 3 excels at creative writing and complex reasoning over GPT-5.1, delivering high-quality output with speed and a direct, non-verbose personality.

OpenAI demonstrates building a GPT-5.1 coding agent that scaffolds NextJS/shadcn apps using shell, web search, apply_patch, and Context7 MCP tools via the Agents SDK and Responses API.