G2 Vendor Directory

Codestral vs. Codex

A side-by-side comparison based on G2 review data.

MetricCodestral

by Mistral

Codex

by OpenAI

Overall rating4.34.7
Review count3019
Ease of use8.99.2
Ease of setup9.19.4
Quality of support8.59.2
Meets requirements8.69.5
NPS46.66666783.333333
Small Business60.0%47.4%
Mid-Market16.7%31.6%
Enterprise23.3%21.1%
Total page views160437
Total LLM citations167,269

Codestral

Codestral is an open-weight generative AI model developed by Mistral AI, specifically designed for code generation tasks. It assists developers in writing and interacting with code through a unified instruction and completion API endpoint. Proficient in over 80 programming languages—including Python, Java, C, C++, JavaScript, and Bash—Codestral also supports less common languages like Swift and Fortran, making it versatile across various coding environments.

Pros

    Codex

    Codex is OpenAI’s agentic coding partner built to accelerate real engineering work end-to-end, helping you plan, implement features, refactor, review, and ship releases while fitting into the tools and workflows developers already use. Rather than acting like a chat-only assistant, it’s positioned as a “build with agents” experience that can take on substantive tasks (and context) across a codebase so you spend less time on repetitive execution and more time on decisions, design, and quality.

    Pros