The failure mode isn’t the model being bad. it’s a smart model doing a dumb task for 40 minutes at premium rates. that’s where the money actually goes
Not Diamon is fixing this.
Today we’re announcing Not Diamond Code, the world’s most powerful intelligent model router for long-horizon coding agents.
Not Diamond works with any gateway or harness, including Claude Code, to select the best model and reasoning effort for each step, reducing costs by 20-65%




