Free open-source AI code assistant by Zhipu AI with multilingual support
CodeGeeX is a free, open-source AI code assistant developed by Zhipu AI and Tsinghua University, supporting 100+ programming languages. It provides code completion, translation between languages, explanation, and an AI chat interface — all free with no usage limits. CodeGeeX is available as VS Code and JetBrains extensions and as an open-source model (6B and 13B parameters) that can be self-hosted.
CodeGeeX is a strong fit if its core strengths match your workflow, budget, and support needs. Use the quick signals below before opening the full review.
CodeGeeX provides AI code completion and assistance at zero cost with zero usage limits — a genuinely free option backed by an open-source model that can be self-hosted for complete control. For developers in cost-sensitive environments or those who want open-source AI coding infrastructure, CodeGeeX delivers functional capabilities at the lowest possible price.
CodeGeeX's VS Code and JetBrains extensions are free with no registration required for basic completion. The underlying models (CodeGeeX2-6B and larger variants) are released under open licences and available on Hugging Face for self-hosting. Organisations that want AI code completion on air-gapped infrastructure can deploy the model locally with no ongoing cost beyond hardware.
CodeGeeX's language translation feature converts code from one programming language to another — Python to TypeScript, Java to Kotlin, C++ to Rust — within the editor. While translation quality varies by language pair and code complexity, the capability is useful for teams migrating codebases between languages or learning a new language by reading familiar code in a new syntax.
CodeGeeX's completion quality is below Codeium and GitHub Copilot for complex general coding tasks. Its primary advantages are zero cost, zero limits, and an open-source model. For developers who want a free backup AI tool, for cost-sensitive environments where even $10/month matters, and for self-hosting use cases, CodeGeeX covers the functional baseline at the lowest possible cost.
Score: 7.1/10 — Best fully free and self-hostable AI code assistant; completion quality below leading tools reflects the free model.
Free
Free billed annually
CodeGeeX is best for Developers who want a completely free AI code assistant with no usage limits as a Codeium alternative, Chinese-language development teams who want AI code assistance with Chinese documentation generation, Researchers and developers who want to self-host an open-source code generation model for experimentation.
Yes. CodeGeeX currently lists a free plan in ToolRankr data.
It has a free plan.
CodeGeeX is reviewed using ToolRankr's scoring model for ease of use, value, features, support, and overall quality. Affiliate links may earn a commission, but sponsored labels do not change editorial scoring.
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