Tesla’s fourth-quarter report revealed automotive revenue declined 11% year-over-year and free cash flow dropped 30% versus Q4 2024. Both GAAP and non-GAAP EPS fell sharply, underlining pressure on traditional earnings drivers. Despite these headwinds, shares outperformed analysts’ pessimistic forecasts, buoyed by management’s emphasis on the company’s physical AI platform. Vehicle deliveries held relatively steady at 480,000 units, but it was the preview of next-generation self-driving software and robotics that captured investor attention and drove a 7% rally in the first week of January.

In a decisive strategy shift, Tesla announced it will cease production of the Model S and Model X later this year to retool its Fremont factory for Optimus humanoid robot assembly. CEO commentary during the earnings call confirmed plans to invest $20 billion in capital expenditures focused on autonomy and robotics for 2026. The company has set an ambitious long-term goal of producing one million Optimus units annually, underscoring its commitment to a revenue mix that may shift from 90% vehicles today to a more balanced split between mobility hardware and software-driven robotics over the next decade.

Bloomberg and Reuters reports that SpaceX is exploring a potential merger with Tesla—and separately with the in-house AI venture—sparked a 5% uptick in after-hours trading following the earnings release. While discussions remain preliminary, the possibility of integrating Tesla’s energy storage systems with orbital data centers and leveraging Starship logistics for robot deployment has captured market imagination. Betting markets now assign a roughly 15% probability to a tie-up with the automaker, and analysts suggest a consolidation could unlock cross-company synergies valued at up to $200 billion over five years, particularly in AI infrastructure and robotics.