MarsCode
marscode.com
ByteDance's AI-powered coding assistant and IDE.
Quick Information
- Category:
- Coding
- Pricing:
- Freemium
- Platforms:
- Web
- Free Plan:
- Yes
- API Available:
- Yes
- Last Verified:
- September 2026
What Is MarsCode?
MarsCode is ByteDance's AI-powered cloud IDE and programming assistant, launched as Doubao MarsCode in June 2024 and covering over 100 programming languages with intelligent code completion, unit test generation, and automatic bug fixing. In February 2025, it completed a DeepSeek large language model integration upgrade, enhancing code generation accuracy and semantic understanding. A 14-day free trial is available, with a Pro tier starting at $19.99/month.
MarsCode operates internationally with meaningful traffic from China, Singapore, Hong Kong, India, and the United States as of late 2025/early 2026, offering two product forms: Programming Assistant and Cloud IDE, both built on ByteDance's Doubao Large Model foundation. The platform remains actively developed with no shutdown indications as of 2026.
It's aimed at developers wanting an AI-powered cloud IDE with broad language support and integrated bug-fixing capabilities, with the DeepSeek integration upgrade reflecting continued active development — the 14-day free trial provides a genuine way to evaluate the Pro tier's $19.99/month capabilities before committing. See our Developer Tools directory for related AI coding tools like Cursor and Kiro.
What Can You Use MarsCode For?
AI-powered cloud IDE
Provides a cloud-based development environment with AI assistance.
Automatic bug fixing
Automatically identifies and fixes bugs in code using AI.
Multi-language code completion
Provides intelligent code completion across 100+ programming languages.
MarsCode Features
- Programming Assistant — Provides AI-powered code completion and assistance within an existing environment.
- Cloud IDE — Provides a full cloud-based development environment with AI features built in.
- Automatic bug fixing — Identifies and fixes bugs automatically using AI.
- DeepSeek integration — Enhances code generation accuracy using DeepSeek model integration, added February 2025.
Who Is MarsCode For?
- Developers — Uses an AI-powered cloud IDE for coding across 100+ programming languages.
- Teams needing automatic bug fixing — Uses MarsCode’s AI-driven bug detection and fixing capabilities.
MarsCode Pros & Limitations
What We Like
- Broad language support covering 100+ programming languages
- DeepSeek integration (February 2025) reflects continued active development and improvement
- Two distinct product forms (Programming Assistant, Cloud IDE) offer flexibility in how it’s used
Limitations
- Pro tier at $19.99/month is a meaningful cost for developers already using other AI coding tools
- International availability and support quality may vary given its ByteDance/Chinese market origins
- Some pricing details may not be fully current given limited English-language coverage of the platform
MarsCode Pricing
| Plan | Price | Main Features |
|---|---|---|
| Free trial | $0 (14 days) | Trial access to Pro features |
| Pro | $19.99/month | Full AI coding assistant and cloud IDE features |
Pricing was last verified September 2026. Check the official website for the latest pricing.
AI Listing Jungle Ranking
- Global Rank:
- #176
- Overall Score:
- 70.3/100
- Monthly Users:
- –
- Rank Change:
- ▲ 12
This ranking reflects AI Listing Jungle's own independent scoring methodology and is not an endorsement by MarsCode or its company. How Our Rankings Work
Frequently Asked Questions
Who makes MarsCode?
ByteDance, launched as Doubao MarsCode in June 2024.
How many languages does MarsCode support?
Over 100 programming languages, including Python, Go, and Java.
Does MarsCode use DeepSeek?
Yes, it completed a DeepSeek model integration upgrade in February 2025.
How much does MarsCode cost?
A 14-day free trial is available, with Pro starting at $19.99/month.
Our Take
MarsCode's broad 100+ language support and DeepSeek integration reflect genuine, continued investment from ByteDance in AI-assisted coding.
Use the 14-day free trial to evaluate whether its cloud IDE or Programming Assistant form fits your workflow before committing to the $19.99/month Pro tier.
MarsCode Alternatives
MarsCode Comparisons
Ready to try MarsCode?
Visit the official website to get started.
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