Dense 1B-class open-source model for on-device and resource-constrained use, with native long-context support, Think / No Think chat modes, and tool calling
- Context
- 131K
- Released
- 4mo ago
- Parameters
- 1B
Sources:models.dev
Benchmarks
DeepSWE is the primary coding benchmark where an exact model evaluation exists. Other sourced evaluations appear below; missing scores are not zero.
Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.
No benchmark results have been matched to this model yet.
Specifications
- Developer
- OpenBMB
- Model family
- —
- Type
- Language model
- Predecessor
- —
- Successor
- —
- Released
- May 19, 2026
- Model ID
openbmb/minicpm5-1b- Openness
- Open weights
- License
- apache-2.0
- Parameters
- 1B
- Input modalities
- text
- Output modalities
- text
- Modality
- text->text
- Max output tokens
- 131K
- Hugging Face
- —
- Source freshness
- Metadata synced Oct 8, 2026, 10:17 PM UTC
Additional source evidence
- Source model
- openbmb/minicpm5-1b
- Last updated
- 2026-05-19
- Model context
- 131K
- Model output limit
- 131K
- Open weights
- Yes
- File attachments
- No
- Reasoning
- Yes
- Tool calling
- Yes
- Temperature control
- Yes
Downloadable weights
Complete source record (JSON)
{
"id": "openbmb/minicpm5-1b",
"name": "MiniCPM5-1B",
"description": "Dense 1B-class open-source model for on-device and resource-constrained use, with native long-context support, Think / No Think chat modes, and tool calling",
"last_updated": "2026-05-19",
"attachment": false,
"reasoning": true,
"tool_call": true,
"temperature": true,
"modalities": {
"input": [
"text"
],
"output": [
"text"
]
},
"limit": {
"context": 131072,
"output": 131072
},
"release_date": "2026-05-19",
"open_weights": true,
"license": "apache-2.0",
"weights": [
{
"label": "Hugging Face",
"url": "https://huggingface.co/openbmb/MiniCPM5-1B"
}
]
}Infrastructure
Provider availability
Provider endpoint data will appear after this model's first OpenRouter endpoint sync.
Deployment graph
Can I run this?
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