OpenAI

GPT 5 Codex

Name: OpenAI GPT 5 Codex
Brand: OpenAI
Price: 1.25 USD

openai/gpt-5-codex

400K context·128K max output·text+image->text

Input

$1.25

per 1M tokens

Output

$10.00

per 1M tokens

Cache Read

not available

Cache Write

not available

Quality Benchmarks

FrontierValue: 85.7

Coding

Code generation, completion, debugging

94.0

Math

Competition math, calculus, olympiad

94.0

Reasoning

Logic, spatial, puzzle solving

94.0

Language

Summarization, paraphrase, writing

94.0

Overall

94.0

Source: LiveBench (livebench.ai) / Scores 0-100

Capabilities

VisionTool UseReasoningPrompt Caching

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