If you look at the OpenRouter rankings for LLMs (generally, the models coders use for vibe/agentic coding), you can see that most of them are in the "small" mod

If you look at the OpenRouter rankings for LLMs (generally, the models coders use for vibe/agentic coding), you can see that most of them are in the "small" model class as opposed to something like full GPT-5 or Claude Opus, albeit Gemini 2.5 Pro is higher than expected: https://openrouter.ai/rankings https://openrouter.ai/rankings