Mellum 4B
Released
2025-04-30
Last refreshed
2026-06-29
Status
Researched 135d ago
Open sourceCommercial use: permittedCoding
Mellum 4B is a released coding model with open-source; evaluate it while provider pricing coverage matures.
JetBrains releases · 2 in the last 12 monthsChangelog →
Specifications
- Family
- Mellum
- Released
- 2025-04-30
- Context
- 8K
- Parameters
- 4B
- Architecture
- Decoder Only
- Specialization
- code
- Openness
- Open source
- License
- Apache 2.0OSI-approvedCommercial use: permitted
- Weights
- Available
- Code
- Unknown
- Training
- Pretrained
Created by
Pricing
No tracked provider token pricing is available yet.
Links
About
Mellum 4B is JetBrains' open-weights LLaMA-style code-completion model trained on roughly 4.2T tokens across permissively licensed code and Wikipedia. It is optimized for IDE code suggestions and local or self-hosted developer tooling.
Providers
No active provider routes are tracked for this model yet.
Capabilities
No model capability flags are currently sourced.
Benchmark peer barsfor Coding
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Created by
Pricing
No tracked provider token pricing is available yet.
Links