GPT-5.2
OpenAI’s latest large language model, positioned as a significant advancement in complex reasoning and multi-step task execution. Benchmarked against claude-opus-45 in a real-world “One-Shot Build” scenario.
Key Comparison Context
- Source: 2026 04 14 Compare of Claude Opus 45 vs ChatGPT 52 Matt Maher
- Benchmark: Massive “Showbiz” PRD (Product Requirements Document) for a movie/TV companion app
- Input Complexity:
- Technical specs, design tokens, personality guidelines
- Full documentation folder requiring single-prompt implementation
- Video Reference: Matt Maher’s comparison
Source Notes
- 2026-04-14: # The AI model doesn’t work - the harness does. Channel Prompt Engineering --- --- https://www.youtube.com/watch?v=1Ohf2aeSPFA The video presents a shift in AI development for 2026: moving away from model selection and prompt engineering toward Harness Engineering. **1\ (The AI model doesn’t work - the harness does. Channel Prompt Engineering)
Source Notes
- 2026-04-23: Engine Survival: The Critical Role of Oil Pressure and Warning Lights
- 2026-04-23: [[concepts/gpt-5|GPT 5.4 Cyber: Permissive AI for Cybersecurity, Risks, and Access]]
- 2026-04-14: I Looked At Amazon After They Fired 16,000 Engineers. Their AI Broke Everything.