Creator
OpenAI
Released
2025-08-07
Intelligence
33.7
Artificial Analysis Index
Coding
—
Artificial Analysis Index
In $/1M
$1.25
input tokens
Out $/1M
$10.00
output tokens
Blended $/1M
$3.44
3:1 blended
Speed
0
tokens / sec
Profile
License, openness, and modality — the governance layer.
License
Proprietary
non-commercial
Weights
Closed
API only
Modalities
Image · Text
Parameters
—
GPT-5 Medium balances reasoning depth with response speed, providing medium-effort thinking for moderately complex tasks. Optimized for coding and agentic tasks, this variant offers more thorough analysis than instant responses while maintaining faster performance than high-effort reasoning.
Capability profile
Category strength across 20 domains, via LLM Stats.
math
90biology
90general
90
physics
90chemistry
90reasoning
90
Benchmark breakdown
Independent evaluation scores, normalized to 0–100.
GPQA Diamond
84
Humanity’s Last Exam
24
MMLU-Pro
87
SciCode
41
LiveCodeBench
70
MATH-500
99
AIME 2025
92
τ²-Bench (agentic)
87
Terminal-Bench Hard
38
IFBench
71