이 모델의 강점은 무엇인가요?

고급 코딩 능력 OpenAI에 의한 최적화 효율적인 코드 생성

이 모델의 약점은 무엇인가요?

비오픈소스 제한된 사용 조건 상세 사양 비공개

어떤 용도에 가장 적합한가요?

효율적인 프로그램 개발 자동 코드 생성 엔지니어 지원 도구

모델 목록으로

OpenAI독점

OpenAI GPT-5-Codex-Mini

Name: OpenAI GPT-5-Codex-Mini
Author: OpenAI

OpenAI GPT-5-Codex-Mini는 OpenAI에서 개발한 코딩 전문 모델입니다. 2025년 11월 7일에 출시되었으며, 폐쇄형 라이선스로 제공됩니다.

파라미터

Undisclosed

컨텍스트

라이선스

Proprietary

출시일

2025-11-07

API 가격

이 모델의 API 가격 정보는 현재 공개되지 않았습니다

강점

・고급 코딩 능력
・OpenAI에 의한 최적화
・효율적인 코드 생성

약점

・비오픈소스
・제한된 사용 조건
・상세 사양 비공개

활용 사례

・효율적인 프로그램 개발
・자동 코드 생성
・엔지니어 지원 도구

심층 분석

Release Date

November 2025 (exact date varies)

Context Window

200K tokens

Input Price

$1.50 / 1M tokens

Output Price

$6.00 / 1M tokens

Architecture

o4-mini fine-tune for Codex CLI

Focus

Codex CLI workflow optimization

Throughput

~50 tok/s

강점

・Specialized for Codex CLI workflow — optimized for the developer command-line experience
・Lower output pricing than GPT-5-Codex ($6 vs $10 per 1M tokens)
・Fine-tuned from o4-mini for better code generation in CLI context
・Good for tight prompts and low reasoning effort workflows
・Faster iteration cycles than full-size coding models

약점

・Smaller context window (200K) compared to GPT-5-Codex (400K)
・Higher input pricing than GPT-5-Codex ($1.50 vs $1.25 per 1M tokens)
・Limited to Codex CLI workflow — not as versatile as general coding models
・Superseded by GPT-5.1 Codex Mini ($0.25/$2) which is significantly cheaper
・No published SWE-bench or other standard benchmark scores

경쟁사 비교

Model	Arena	SWE	GPQA	Price
GPT-5.1 Codex Mini	~1360	N/A	N/A	$0.25/$2.00 per 1M tokens
GPT-5-Codex	~1390	~70%	~85%	$1.25/$10 per 1M tokens
o4-mini	~1370	~55%	~78%	$1.10/$4.40 per 1M tokens
Claude Haiku 4	~1350	~45%	~72%	$0.25/$1.25 per 1M tokens

개요

GPT-5 Codex Mini (codex-mini) is a fine-tuned o4-mini model optimized for OpenAI's Codex CLI workflow, offering faster iteration cycles for command-line code generation. At $1.50/$6.00 per 1M tokens with a 200K context window, it sits between o4-mini and GPT-5-Codex in both capability and cost. It has been largely superseded by GPT-5.1 Codex Mini which offers dramatically lower pricing.

벤치마크 및 성능

GPT-5 Codex Mini does not have published SWE-bench or Terminal-Bench scores. As an o4-mini fine-tune, its coding capability is expected to be below GPT-5-Codex (~70% SWE-bench) but above base o4-mini (~55%). The model is optimized for tight prompts and low reasoning effort, making it faster than full-size models for simple code generation tasks. Its primary advantage is in the Codex CLI workflow rather than raw benchmark performance.

상세 비교

GPT-5 Codex Mini has been superseded by GPT-5.1 Codex Mini ($0.25/$2) which is 6x cheaper on input and 3x cheaper on output. Compared to GPT-5-Codex ($1.25/$10), it has lower output pricing but a smaller context window (200K vs 400K). o4-mini ($1.10/$4.40) is cheaper but not specialized for coding. For Codex CLI users, GPT-5.1 Codex Mini is the recommended replacement at much lower cost.

커뮤니티 평가

The model was primarily used by developers working with the Codex CLI tool. Users appreciated its optimization for command-line coding workflows but found the pricing ($1.50/$6) too high compared to newer alternatives. With GPT-5.1 Codex Mini at $0.25/$2, most users have migrated. The model is now considered legacy and is primarily maintained for backward compatibility.

활용 사례

Best for: Codex CLI command-line coding, quick code completions in terminal, scaffolding and boilerplate generation, localized bugfixes with tight prompts, and code style enforcement in CLI workflows. NOT suitable for: complex multi-file refactoring, autonomous long-running tasks, large codebase analysis (200K context limit), or production coding pipelines. For new projects, use GPT-5.1 Codex Mini or GPT-5.1 Codex instead.