Overview
OpenAI has improved GPT-5.3-Codex-Spark performance by 30%, now serving at over 1200 tokens per second. This represents a significant speed improvement for AI code generation capabilities.
Key Points
- Performance boost of 30% - developers can now generate code significantly faster with reduced wait times
- Processing speed reaches 1200+ tokens per second - enables more responsive real-time coding assistance
- Applies specifically to Codex-Spark variant - focuses optimization on programming and development use cases