OpenAI

GPT 5.1 Codex Mini

Name: OpenAI GPT 5.1 Codex Mini
Brand: OpenAI
Price: 0.25 USD

openai/gpt-5.1-codex-mini

400K context·100K max output·text+image->text

Input

$0.2500

per 1M tokens

Output

$2.00

per 1M tokens

Cache Read

not available

Cache Write

not available

Quality Benchmarks

GoodValue: 115.8

Coding

Code generation, completion, debugging

54.6

Math

Competition math, calculus, olympiad

58.3

Reasoning

Logic, spatial, puzzle solving

38.6

Language

Summarization, paraphrase, writing

32.9

Overall

46.1

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

Capabilities

VisionTool UseReasoningPrompt Caching

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