Devin

Devin is an AI-powered software engineering assistant by Cognition that provides access to frontier coding models through its Cascade feature. The platform supports Claude 4.5/4.6/4.7/4.8/5 series (Opus, Sonnet, Haiku, Fable) with multiple reasoning levels, GPT-5/5.1/5.2/5.3 series, Gemini 3/3.1/3.5/3.6 series, DeepSeek V4, Grok, GLM-5, and proprietary SWE models. Devin features credit-based pricing with thinking level multipliers (Low, Medium, High, XHigh, Max) and Fast priority options for accelerated processing.