edge LLM
BitCPM4 0.5B
Ternary-weight BitCPM4 0.5B model.
Levelvariant
Classedge LLM
Parametersnot in the notes
Contextnot in the notes
Releasednot in the notes
Opennessopen weights permissive
Runs onmobile or NPU
Statusactive
Identity
- Developer
- OpenBMB (Tsinghua NLP Lab and ModelBest)
- Family
- MiniCPM4 / 4.1
- Released
- – sources
- Weights published
- –
- Record checked
- 10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.
Architecture and Size
- Architecture
- not in the notes
- Total parameters
- – sources
- Active parameters
- –
- Checkpoint parameters
- –
- Note
- 0.5B ternary
- Context length
- not in the notes
- Input
- text
- Output
- text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).
Openness and Access
- Openness
- open weights permissive
- Licence
- Apache License 2.0 sources
- Access routes
- not in the notes
Where this comes from
The licence file governs over registry tags and aggregator labels.
Deployment
- Runs on
- mobile or NPU
- Footprint
- not in the notes
- Runtimes
- not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.
Indonesia
- Indonesian support
- not stated
- Regional languages
- not in the notes
- Jakarta hosting
- unknown
- Languages
- not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.
Benchmark Results
The notes record no benchmark result for this model.
Lineage
The notes record no lineage for this model.
Industry Use Cases
No industry use case links this model.
Links
ModelBitCPM4 0.5BOpenBMB (Tsinghua NLP Lab and ModelBest), edge LLM
BitCPM4 0.5BOpenBMB (Tsinghua NLP Lab and ModelBest), edge LLMUse CasesIndustrial Copilots and Maintenance AssistantsIndustrialIndonesian and Regional-Language LLMsPublic SectorTelecom Domain LLMs and BenchmarksTelecomUse cases of models in the same R&D topic; none is recorded for this model itself.
Who Runs It
PT Pertamina Geothermal EnergyIn production, 14 Jul 2026
Siemens Erlangen electronics factoryPlanned, 6 Jan 2026
ADNOC OffshoreIn production, 9 Sep 2025
Aker BPIn production, 9 Sep 2025+10 moreDeployments of these use cases; none names this model.
PT Pertamina Geothermal EnergyIn production, 14 Jul 2026Siemens Erlangen electronics factoryPlanned, 6 Jan 2026ADNOC OffshoreIn production, 9 Sep 2025Aker BPIn production, 9 Sep 2025+10 moreDeployments of these use cases; none names this model.Sources
- huggingface.co/openbmb/MiniCPM4.1-8B-Eagle3/blob/main/README... https://huggingface.co/openbmb/MiniCPM4.1-8B-Eagle3/blob/main/README.md
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "BitCPM4 0.5B", https://aurion.semai.id/models/openbmb-bitcpm4-0-5b/, records of October 2026.