Mercury 3

Vals reports that Mercury 3 scores 60.9% on Vibe Code Bench and costs $1.25 per app, versus $0.38 for its predecessor. It also reports weak terminal results and crashes when output budgets are reached.

Inception's Mercury 3 diffusion model launches with tool calling and structured outputs. Providers report generation above 1,000 tokens per second, while Parallel finds it Pareto-optimal in its web research tests.