Skip to content
PodcastA16ZAI

AI Has Changed SaaS Forever: Why Smart Executives Are Racing to Usage-Based Billing

Table of Contents

Salesforce changed their fundamental pricing structure three times in twelve months. For a company worth hundreds of billions, that's unprecedented speed—and a clear signal that the old rules no longer apply.

Key Takeaways

  • Traditional SaaS pricing models are breaking down as AI shifts software value from user access to work output
  • Usage-based billing requires real-time data infrastructure and can cost millions if implemented incorrectly
  • Companies must restructure sales compensation, customer success roles, and finance operations to succeed with usage pricing
  • The hybrid model combining seats and usage is emerging as the dominant approach for most SaaS businesses
  • Moving too slowly on pricing transformation puts companies 18 months behind competitors in rapidly evolving markets
  • Finance teams must evolve into data organizations operating at weekly rather than quarterly cycles
  • Pure usage-based models work best for agent-to-agent software interactions, while human-facing software needs hybrid approaches
  • CEOs need centralized pricing authority rather than committees to execute these transformations successfully
  • The shift represents a new business supercycle as fundamental as the original move from perpetual licenses to subscriptions

The Death of Traditional SaaS Pricing Models

The old rule was simple: don't change your fundamental pricing model more than once every five years. That rule died with the rise of AI. Salesforce, one of the world's largest software companies, has rewritten their pricing structure three times in twelve months with Agent Force. The speed is unprecedented, even shocking for a company that size.

This isn't chaos—it's evolution at breakneck speed. Startups are rewriting entire markets while established companies debate nine-month case studies. By the time those studies conclude and new pricing rolls out after another six to nine months, the market has moved eighteen months ahead. Your pricing model becomes obsolete before it launches.

The genesis of this transformation traces back to a fundamental problem with traditional billing infrastructure. At companies like Dropbox, billing systems were so fragile that pricing experiments requiring simple frontend changes took quarters to implement. Engineers avoided billing work entirely—it was where careers went to die. Billing systems got built by interns each summer because nobody else would touch them.

But AI changed everything. The complexity shifted from counting users on a simple table to joining across fifty different data sources with sophisticated pricing structures. A trillion ChatGPT queries with token-based pricing that changes dynamically based on usage volumes—that's not a simple count anymore. That's a real-time data infrastructure problem married to billing complexity, and it requires purpose-built solutions.

Three Eras of Software Monetization

Software monetization has evolved through three distinct eras, each triggered by fundamental shifts in how software creates and captures value.

The perpetual license era dominated on-premises software. Companies bought software, installed it locally, maybe paid maintenance fees, and received periodic physical updates. Value was tied directly to the software's capabilities. Pricing was straightforward: pay once, use forever.

The cloud era introduced the subscription model. Software moved online, and value shifted from individual capabilities to organizational access. Salesforce exemplified this perfectly—the value wasn't just CRM functionality, but how many sales reps could access the shared system of record. Value scaled with organizational size, making per-user pricing logical.

The AI era represents the third fundamental shift. AI software doesn't just provide access to data—it performs work. The value proposition transforms from "how many people can access this system" to "what can this software accomplish for me." Can it write code? Handle customer support tickets? Generate reports? The work output becomes the value metric, not user counts.

This creates a profound challenge for traditional SaaS businesses. Their core metric—number of users—trends downward as AI drives efficiency gains. Simultaneously, the real value comes from work performed, which doesn't scale with user counts. The mismatch forces new commercial models that align pricing with actual value creation.

Why Usage-Based Billing Is Deceptively Complex

Most infrastructure companies eventually want usage-based billing, but many fail to implement it successfully. The complexity isn't obvious until you're deep in the implementation.

Real-time constraints create the first major challenge. Unlike subscription billing that runs monthly, usage billing operates in near real-time. Engineers can theoretically spend a million dollars on OpenAI's API in three hours. The billing system must detect runaway processes and prevent catastrophic spend in real-time, not discover it weeks later on an invoice.

Segment learned this lesson expensively when a small Indian startup with $3,000 in their account accidentally connected their entire traffic pattern to Segment's CDP. The month-end bill: $80,000. Segment never collected that money, but the breakage cost was permanent. This scenario illustrates why usage billing can't operate as a monthly batch process—it requires constant monitoring and real-time alertation.

Enterprise contract complexity compounds the challenge. Published pricing appears static, but enterprise deals create infinite variations. Every contract negotiates different discounts on different line items. A billion-dollar public company handles their entire usage-based revenue manually because their thousand enterprise contracts each contain unique pricing structures. Building a general rules engine that handles this complexity is extraordinarily difficult and boring work—which is why companies delay it until manual processes become unsustainable.

Data quality requirements reach financial-grade accuracy. Usage billing demands preserving optionality for future pricing changes, which means storing comprehensive data that may never be used for invoicing. If you want to change pricing models later, you need historically accurate data. Ninety-nine percent accuracy isn't sufficient—it's fraud in financial contexts. This requires building robust data pipelines with golden data quality from day one.

The technical infrastructure resembles DataDog plus a billing engine. You need real-time data collection, complex aggregation across multiple sources, sophisticated pricing rule engines, and financial-grade accuracy—all operating at scale with enterprise-level reliability.

Usage-Based Billing as Strategic Business Transformation

Usage-based billing isn't just a pricing change—it's a fundamental business model transformation that realigns every department around value creation and capture.

The transformation starts with sales compensation. In traditional subscription models, sales reps get paid when contracts are signed, and revenue gets recognized evenly over twelve months. Usage-based models flip this dynamic. Sales reps don't receive commission until customers actually use the product. This creates powerful alignment—reps become incentivized to find customers who will genuinely use and benefit from the software, not just sign large contracts.

This shift requires restructuring the entire sales process. Enterprise sellers typically sell credit packages—perhaps a million dollars of credits that customers spend down as they use the product. The sales process fundamentally changes because the seller's success depends on post-sale product adoption, not just contract signing. Pre-sales and post-sales roles blur together because ensuring customer success becomes critical to sales compensation.

Customer success transforms from expansion-focused to retention and optimization-focused. The most valuable customer success representatives become technical experts who help customers optimize their usage and reduce per-unit costs. At the best usage-based companies, field CTOs actively help customers rightsize their spend, knowing that optimized customers stay longer and grow more sustainably.

Product and engineering teams become directly tied to revenue generation. In subscription models, product teams had buffer—they could focus on features that might drive value. In usage-based models, product teams must obsess over the core value metric because it directly translates to revenue. The best product managers understand exactly how their features impact customer usage patterns and revenue generation.

Finance teams must evolve into data organizations operating at radically different speeds. Traditional finance operates quarterly or monthly. Usage-based businesses require weekly or daily analysis of usage patterns, spending trends, and customer behavior. Finance teams become strategic data providers, delivering real-time insights to sales and customer success teams who need immediate answers about customer usage changes.

The executive team must monitor core metrics with the intensity of a growth-stage Facebook. CEOs and CROs track usage patterns daily, understanding when new workloads come online and whether spend increases represent positive or concerning trends. This operational intensity differs vastly from subscription businesses that could review metrics monthly or quarterly.

The CEO's Transformation Checklist

Transitioning to usage-based billing requires CEO-level commitment and coordination across every business function. Half-measures fail because the transformation touches sales, finance, product, engineering, and customer success simultaneously.

Sales compensation restructuring tops the priority list. Companies must decide whether to split account executive roles between pre-sales and post-sales functions or maintain unified ownership throughout the customer lifecycle. The compensation structure must reward actual usage, not just contract value. Many companies create hybrid models where reps receive partial payment at contract signing and full commission based on usage milestones.

Sales territory and role definitions require complete rethinking. Does sales responsibility end when contracts are signed, or do reps maintain ownership through the usage phase? The best usage-based companies often keep the same representative for years because relationship continuity directly impacts customer success and usage optimization.

Customer success roles must be redefined around technical optimization rather than expansion. Traditional customer success managers often lack the technical depth needed for usage optimization. The most successful models employ solutions architects or field CTOs who can genuinely help customers extract maximum value while optimizing costs.

Product and engineering alignment around core value metrics becomes critical. Teams must understand exactly which customer actions drive usage and revenue. This requires growth-minded product management with clear metric accountability. Product decisions directly impact revenue in ways that subscription models buffered.

Finance team transformation into a data organization represents perhaps the biggest operational challenge. Finance teams must become comfortable with real-time data analysis, customer usage pattern recognition, and providing immediate insights to sales teams. Traditional quarterly reporting cycles become orders of magnitude too slow for this business model.

Centralized pricing authority eliminates committee-based decision making. The transformation requires someone with authority to make decisions that crosscut finance, sales, and product boundaries. Pricing councils create paralysis when rapid market changes demand quick responses. A pricing dictator—someone empowered to make binding decisions—becomes essential for navigating the transformation successfully.

The Current State: Early Days of a New Supercycle

We're witnessing the beginning of a new business supercycle as fundamental as the original shift from perpetual licenses to subscriptions. The transformation is accelerating because companies have already invested heavily in AI capabilities that create new cost structures demanding different monetization approaches.

Most companies are behind if they haven't started exploring usage-based models. AI has inserted expensive line items into cost structures, and CFOs are demanding accountability for those investments. The beautiful reality is that no definitive "right answer" exists yet—we're in an exploration phase where agility matters more than optimization.

The exploration resembles Darwinian evolution where market conditions have fundamentally changed and new survival strategies are emerging. Even large companies like Salesforce run thousands of pricing variants behind the scenes, testing different approaches to find models that create positive flywheels. The winning strategies haven't crystallized yet, but companies must position themselves to experiment rapidly.

Current market dynamics favor bold pricing strategies. Companies are using pricing as a strategic weapon, dialing between distribution and margin optimization. The old adage that "you can never increase prices" no longer applies when the underlying value proposition improves weekly. Product launches can justify price increases when AI capabilities genuinely enhance functionality.

Some companies adopt cost-plus models with fixed margins, betting on market ubiquity over immediate profitability. If markets expand 10x over the next few years—a reasonable assumption given current AI adoption rates—preserving fixed margins while gaining market share creates valuable strategic positions. Winners in this environment seem to accelerate exponentially, capturing 80% market share in categories from image generation to code editing.

Industry Patterns and Emerging Models

Pure infrastructure software will likely embrace complete usage-based pricing. When software becomes a playground for agents rather than human users, complexity concerns disappear. Agents can make real-time pricing decisions without cognitive load, favoring optimal pricing over simplicity.

Human-facing software will predominantly adopt hybrid models combining seats and usage. Subscription components provide predictability and simplicity for human users, while usage components capture value from AI-driven work. This hybrid approach balances human cognitive preferences with value-based pricing.

Enterprise software will move closest to pure usage models because large organizations can handle complex pricing structures and longer proof-of-concept periods. Enterprise sales processes can accommodate sophisticated value assessment and outcome-based pricing that would overwhelm smaller businesses.

Small and medium business software will likely maintain subscription bases with usage add-ons. SMBs need predictable costs and simple decision-making processes. However, AI agents serving SMBs might operate on pure usage models since agents don't require cognitive simplicity.

Consumer software will remain subscription-based because variable pricing creates too much cognitive load. Netflix could theoretically charge per view, but that would force purchase decisions every time users watch content. Subscription models eliminate decision fatigue for consumer experiences.

The trend toward outcome-based pricing emerges in enterprise contexts where companies can conduct extensive proof-of-concept processes. AI companies are selling resolution rates in customer support, efficiency improvements in operations, or cost reductions in specific business processes. These models require sophisticated measurement and typically only work in large enterprise contexts with dedicated implementation resources.

Looking Forward: Architecture for the New Era

The transformation demands architectural thinking about how businesses generate and capture value. Traditional approaches optimized for stability and predictability. The new era rewards agility and experimentation over optimization.

Engineering teams at usage-based companies operate differently than subscription businesses. At traditional companies, engineers who optimize database queries by 50% ship improvements immediately and receive promotions. At usage-based companies like Snowflake, those same optimizations can't be shipped overnight because they would immediately reduce revenue by 50%. Instead, improvements get metered out over quarters to maintain revenue predictability while delivering customer value gradually.

This fundamental difference in operational thinking extends throughout the organization. Usage-based businesses must consider revenue implications of every technical decision, creating natural alignment between engineering efficiency and business outcomes.

The companies that master this transformation will build sustainable competitive advantages. Usage-based models create powerful flywheels when implemented correctly—better customer outcomes drive higher usage, which funds better product development, which creates better customer outcomes. The alignment between customer success and business success becomes mathematically precise rather than conceptually abstract.

The shift represents more than pricing evolution—it's the emergence of software that captures value proportional to value delivered. For the first time since software became a scalable business model, pricing can align perfectly with customer outcomes. The companies that execute this transformation successfully will define the next generation of software businesses.

This transformation isn't optional for companies building on AI foundations. The value propositions are fundamentally different, the cost structures are fundamentally different, and the customer expectations are fundamentally different. The question isn't whether to transform—it's how quickly and effectively you can execute the transformation while competitors are making the same realization.

Latest