GPT-5
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy in high-stakes use cases.
Input
Output
Context
400K
Max Output
128K
Parameters
—
Technical Specifications
Model TypeChat
Context Window400K
Max Output Tokens128K
Parameters—
Training Cutoff—
Licenseproprietary
Capabilities
Input Modalities
textimagefile
Output Modalities
text
Features
code_generationfunction_callingjson_modereasoningstreamingsystem_promptstext_generationtool_usevision
Benchmarks
5.4%
HLE
36.7%
AIME
67.3%
GPQA
38.8%
SciCode
86.1%
MATH 500
80.6%
MMLU Pro
31.7
Math
25.1
Coding
55.8%
LiveCodeBench
23.9
Intelligence
78.2
Speed (tok/s)
1.0
TTFA (s)
1.0
TTFT (s)
Resources & Links
proprietary — Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: May 5, 2026
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