OpenAI's $10 Billion Bet: GPT-5.3 Launches on Cerebras Chips
OpenAI Diversifies with Cerebras-Powered GPT-5.3 Release
In a strategic move that could reshape the AI hardware landscape, OpenAI has unveiled GPT-5.3-Codex-Spark, its first major model running entirely on Cerebras Systems' chips. The February 12 launch represents a significant shift in the company's computing strategy after years of dependence on NVIDIA's GPUs.
A Developer-Centric Upgrade
The new model specifically targets software engineers with several practical improvements:
- Real-time task switching: Developers can now interrupt long computations mid-process to handle urgent coding tasks—no more waiting for processes to complete.
- End-to-end workflow support: From code editing to automated testing, the assistant handles routine but time-consuming development tasks.
"This isn't just about raw power," explains an OpenAI engineer familiar with the project. "It's about creating tools that adapt to how developers actually work, not forcing them to adapt to our limitations."
The $10 Billion Alternative
The release fulfills the first milestone in OpenAI's ambitious partnership with Cerebras Systems. The companies signed a multi-year agreement worth over $10 billion, with plans to deploy 750 megawatts of computing capacity by 2028.
Industry analysts see this as more than just a technical collaboration. "NVIDIA's dominance created a single point of failure for AI development," notes tech analyst Maria Chen. "By investing in Cerebras, OpenAI isn't just buying chips—it's buying strategic flexibility."
The phased rollout will continue through 2028, giving both companies time to scale production and optimize performance.
Why This Matters Now
As AI models grow increasingly complex, access to specialized computing power has become a critical bottleneck. Most major AI firms rely heavily on NVIDIA's hardware, creating intense competition for limited supply.
OpenAI's bet on Cerebras offers two potential advantages:
- Reduced vulnerability to supply chain disruptions
- Hardware specifically optimized for large language model workloads
While early benchmarks show promising results, the true test will come as more developers put GPT-5.3-Codex-Spark through its paces in real-world applications.
Key Points:
- OpenAI launches first Cerebras-powered AI model: GPT-5.3-Codex-Spark
- New features include real-time task switching for developers
- Part of $10 billion partnership aiming for 750MW computing capacity by 2028
- Strategic move reduces dependence on NVIDIA hardware

