Granite 3.1 2B Instruct
Granite 3.1 2B Instruct is IBM's 2B-parameter dense instruct model with a 128K context window, post-trained for enterprise tasks including RAG, function calling, and structured citation generation. It is part of IBM's Apache-2.0 Granite open model line.
Underrated in the open community, overlooked in benchmarks, but genuinely the right pick for one specific buyer: an enterprise that wants Apache-2.0 + IBM indemnification + 128K context + citation-aware RAG behavior.
Overview
Granite 3.1 2B Instruct is IBM's 2B-parameter dense instruct model with a 128K context window, post-trained for enterprise tasks including RAG, function calling, and structured citation generation. It is part of IBM's Apache-2.0 Granite open model line.
Strengths
- 128K context is exceptional for a 2B model
- Apache-2.0 with IBM enterprise indemnification available on watsonx
- Built-in citation and tool-use templates aimed at RAG pipelines
- Strong instruction-following on enterprise document tasks
Weaknesses
- Tiny community vs. Qwen/Llama — only ~18K HF downloads
- Conversational tone is dry and corporate, weaker for consumer chat
- Few third-party GGUF and Ollama tags compared to peers
- English-centric; weaker multilingual coverage than Qwen3
Quantization variants
Each quantization trades model quality for file size and VRAM. Q4_K_M is the most popular starting point.
| Quantization | File size | VRAM required |
|---|---|---|
| Q4_K_M | 1.1 GB | 2 GB |
Get the model
HuggingFace
Original weights
Source repository — direct quantization required.
Hardware that runs this
Cards with enough VRAM for at least one quantization of Granite 3.1 2B Instruct.
Models worth comparing
Same parameter band, plus what's one tier above and below — so you can decide what actually fits your hardware.
Frequently asked
What's the minimum VRAM to run Granite 3.1 2B Instruct?
Can I use Granite 3.1 2B Instruct commercially?
What's the context length of Granite 3.1 2B Instruct?
Source: huggingface.co/ibm-granite/granite-3.1-2b-instruct
Reviewed by RunLocalAI Editorial. See our editorial policy for how we research and verify model claims.
Related — keep moving
Verify Granite 3.1 2B Instruct runs on your specific hardware before committing money.