GPT-5

GPT-5

OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. Optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy in high-stakes use cases. Supports test-time routing and advanced prompt understanding (e.g., "think hard about this"). Reductions in hallucination/sycophancy with better performance in coding, writing, and health-related tasks.

ConversationReasoningCode GenerationAnalysisPlanningMemoryAgentic Tool UseFunction Calling
Provider
Openai
Release Date
2025-08-07
Size
XLARGE
Parameters
1.8T

Benchmark Performance

Performance metrics on industry standard AI benchmarks that measure capabilities across reasoning, knowledge, and specialized tasks.

Expected MMLU

90%+
View Source

Reasoning Performance

Significant improvement over GPT-4
View Source

Model Insights

All Model Responses

Sponsored
Ad

Sponsored Content

Advertisement

Native Advertisement
Sponsored
Ad

Sponsored Content

Advertisement

Native Advertisement
Sponsored
Ad

Sponsored Content

Advertisement

Native Advertisement

Related Models