While other EV companies struggle to sell more vehicles in a slowing demand environment, Rivian (RIVN) may have quietly found a smarter game. Volkswagen (VWAGY) – one of the world’s largest automakers – is building toward deploying Rivian’s software stack across 30 million vehicles globally, spanning VW, Audi, and Scout brands. After years of painful internal delays at its own software unit, VW effectively concluded that building the stack itself wasn’t going too well. Rivian’s architecture was part of the answer, and this could have huge implications for Rivian stock.
There has been meaningful progress on this front. VW just unlocked a $1 billion funding tranche – part of its broader $5.8 billion agreement – following the successful completion of winter testing for their joint software-defined vehicle platform. The platform held up under extreme conditions in both Arizona and Sweden, managing traction control, all-wheel drive, and over-the-air updates. The technology has now been proven at production intent. At the core of the venture is Rivian’s zonal electrical architecture and software stack, which is set to supplant VW’s outdated, fragmented systems with fewer electronic control units, less wiring, and centralized compute for AI-driven autonomy and OTA (over the air) updates.
The Services Numbers Are No Longer Small
In Q4 2025, Rivian reported $447 million in software and services revenue, up 109% year-over-year. A bulk of this number comes from the Volkswagen venture, which currently includes fixed development fees and milestone-based equity tranches.
For the full year, the segment hit $1.55 billion, up from just $484 million in 2024, and now accounts for nearly 29% of total revenue. Gross margins in this segment came in around 37%, a stark contrast to the automotive side of the business, which continued to generate gross losses.
Management expects software revenue to grow another 60% in 2026, meaning that software and services alone could account for about $2.5 billion in 2026. []
Could Other Automakers Come Calling?
The Volkswagen deal has now produced something valuable: a proven, production-intent software stack that has passed third-party stress testing at scale.
That’s a meaningful credential in an industry where most legacy automakers are acknowledging they cannot build competitive software in-house.
Ford (F), Stellantis, and others face the same structural problem Volkswagen did. Rivian’s architecture — already validated, generating revenue — could become a default solution others reach for.
Big Valuation Upside
Rivian stock currently trades at 2.7x consensus 2026 sales – a multiple that still prices it as an automaker, not a software platform. (See Rivian’s valuation multiples)
That framing is increasingly out of step with the business that’s actually emerging.
A key re-rating moment comes post-2027, when the relationship shifts toward 50/50 JV profit sharing and software/tech deployment across VW’s fleet, transitioning from milestone payments to the kind of durable, recurring revenue that justifies a premium multiple.
Further, if Rivian’s production-proven stack attracts licensing interest from other automakers, it could dramatically change Rivian’s valuation story, shifting it firmly from “EV startup with software ambitions” to “automotive technology platform with a vehicle business attached.” Under these circumstances, a 5x to 10x revenue multiple conversation is a real possibility.
The risks are real. The automotive segment’s 15% revenue decline in 2025 is still fresh in investors’ minds, and the company’s new R2 vehicle’s ramp-up in 2026 remains the critical near-term test. (How low can RIVN stock go). But the market is currently pricing Rivian as though the software story doesn’t exist. This week’s milestone made that a harder position to hold.
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