GPT-5.2Latest
The new ChatGPT default — faster, sharper, and more reliable.
GPT-5.2, released in December 2025, is OpenAI's flagship reasoning model that succeeded GPT-5.1. It delivers significant improvements in general intelligence, long-context understanding, agentic tool-calling, and vision capabilities. It became the new default for ChatGPT in February 2026 after older models were retired.
Performance Scores
GPT-5.2 — Capability Radar
Strengths
Enhanced reasoning and reduced hallucinations compared to GPT-5.1
Superior agentic tool-calling for multi-step tasks
Strong vision and multimodal capabilities
Excellent professional knowledge task performance
Weaknesses
Premium pricing for advanced tier
Still evolving agentic reliability in edge cases
Parameter count undisclosed
Use Cases
Complex multi-step agentic workflows
Professional research and analysis
Long-context document understanding
Vision-based reasoning tasks
Example Demo
Example Prompts
Long-context analysis
“Analyze this 200-page contract and highlight all clauses that could pose liability risks.”
Agentic research
“Research the top 5 competitors in the EV battery market, compare their technologies, and recommend investment strategy.”
Vision-based reasoning
“Given this system architecture diagram, identify potential bottlenecks and suggest optimization strategies.”