GPT-5 Codex (high)

← AI Models
OpenAI
2025-09-23
Modality:
Intelligence
44.6
#53/523
Coding
38.9
#59/429
Math
98.7
#2/265
Speed
191 tok/s
TTFT: 10.42s
Pricing
$1.25 / $10.00
per 1M tokens (in/out)
Google Preferred Source

GPT-5 Codex (high) is OpenAI’s advanced model designed for coding and mathematical tasks. It processes at 191.283 tokens per second and is priced at $1.25 per million input tokens, targeting professional users.

When to Use GPT-5 Codex (high)

✓ Best For

  • Automating code generation
  • Solving complex mathematical problems
  • Assisting developers in software development

✗ Not Ideal For

  • General conversational tasks
  • Applications requiring low-cost solutions

How GPT-5 Codex (high) Compares

Intelligence Index · Higher is better

XiaomiOpenAIAnthropic

Benchmark Profile

Coding Index

GoogleZ AIOpenAIDeepSeek

Output Speed · tok/s

MistralxAIOpenAIAlibaba

Math Index

OpenAIGoogle

Intelligence · Coding · Math

Intelligence Coding Math

All Benchmark Scores (13)

BenchmarkScore
Intelligence Index 44.6
Coding Index 38.9
Math Index 98.7
MMLU-Pro 865%
GPQA 837%
LiveCodeBench 84%
HLE 256%
SciCode 40.9%
IFBench 74.1%
LCR 69%
TerminalBench Hard 37.9%
Tau2 86.8%
AIME 2025 98.7%

Data: Artificial Analysis · Updated: April 10, 2026

Frequently Asked Questions (3)

What is GPT-5 Codex (high)?
It is an advanced coding and mathematical model developed by OpenAI.
How much does GPT-5 Codex (high) cost?
It costs $1.25 per million input tokens and $10 per million output tokens.
What is GPT-5 Codex (high) best for?
It is best for automating code generation and solving complex mathematical problems.