Ramp's code generation by AI has rapidly increased from 30% to 50% in three months. This isn't just for prototypes but for the entire production stack, back-end and front-end, signaling a fundamental shift in software development that makes the entire company more productive.

Historically, payroll has dominated corporate expenses. As AI automates knowledge work previously done by humans, a significant portion of the budget will shift. Spend on SaaS, APIs, and model usage will grow from a small percentage to a major line item, displacing traditional labor costs.

While AI expands software's capabilities, vendors may not capture the value. Companies could use AI to build solutions in-house more cheaply. Furthermore, traditional "per-seat" pricing models are undermined when AI reduces the number of employees required, potentially shrinking revenue even as the software delivers more value.

Modern AI coding agents allow non-technical and technical users alike to rapidly translate business problems into functional software. This shift means the primary question is no longer 'What tool can I use?' but 'Can I build a custom solution for this right now?' This dramatically shortens the cycle from idea to execution for everyone.

Companies are now rejecting expensive SaaS contracts because their internal teams can build equivalent custom solutions in days using AI coding tools. This trend signals a fundamental threat to the traditional SaaS business model, as the 'build vs. buy' calculation has dramatically shifted.

For decades, buying generalized SaaS was more efficient than building custom software. AI coding agents reverse this. Now, companies can build hyper-specific, more effective tools internally for less cost than a bloated SaaS subscription, because they only need to solve their unique problem.

AI coding assistants reduce development time from days to just minutes or hours. This makes building custom tools to save a few minutes daily a highly valuable investment, as the payback period for the time spent building is now incredibly short.

AI may drastically lower the cost of software engineering, threatening the dominant SaaS model by enabling companies to affordably build bespoke in-house software, mirroring the current market dynamics in China.

Instead of integrating third-party SaaS tools for functions like observability, developers can now prompt code-generating AIs to build these features directly into their applications. This trend makes the traditional dev tool market less relevant, as custom-built solutions become faster to implement than adopting external platforms.