How to use from
llama.cpp
Install (macOS, Linux)
curl -LsSf https://llama.app/install.sh | sh
# Start a local OpenAI-compatible server with a web UI:
llama serve -hf GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
# Run inference directly in the terminal:
llama cli -hf GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
Install from WinGet (Windows)
winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama serve -hf GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
# Run inference directly in the terminal:
llama cli -hf GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
Use pre-built binary
# Download pre-built binary from:
# https://github.com/ggerganov/llama.cpp/releases
# Start a local OpenAI-compatible server with a web UI:
./llama-server -hf GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
# Run inference directly in the terminal:
./llama-cli -hf GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
Build from source code
git clone https://github.com/ggerganov/llama.cpp.git
cd llama.cpp
cmake -B build
cmake --build build -j --target llama-server llama-cli
# Start a local OpenAI-compatible server with a web UI:
./build/bin/llama-server -hf GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
# Run inference directly in the terminal:
./build/bin/llama-cli -hf GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
Use Docker
docker model run hf.co/GnLOLot/MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF:F16
Quick Links

MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF

MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-GGUF

GGUF quantizations of MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking for llama.cpp, Ollama, LM Studio, jan, KoboldCpp, and other GGUF runtimes.

中文说明

This repository provides local-deployment builds of a 1B Thinking model fine-tuned on Fable 5 data (V2) atop openbmb/MiniCPM5-1B. Compared with V1, V2 strengthens tool calling / function calling, while keeping MiniCPM5's native chat template embedded in the GGUF files.

Transformers checkpoint: MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking

Previous GGUF version: MiniCPM5-1B-Claude-Opus-Fable5-Thinking-GGUF (V1)


Files

File Quant Size Notes
MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-Q8_0.gguf Q8_0 ~1.1 GB recommended default
MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-F16.gguf F16 ~2.1 GB full-precision conversion base

Q8_0 is the recommended default quant for this 1B model.


Quick start

llama.cpp (llama-cli)

llama-cli \
  -m MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-Q8_0.gguf \
  -p "Write a Python function to merge two sorted lists." \
  -n 512 \
  --temp 0.9 --top-p 0.95 \
  -c 8192

The model supports up to 128K tokens (131,072) per config.json. Set -c according to your available VRAM/RAM.

llama.cpp server

llama-server \
  -m MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking-Q8_0.gguf \
  -c 8192 --port 8080

LM Studio / jan / KoboldCpp

Load any .gguf file from this repository. The MiniCPM5 chat template is embedded in the GGUF metadata.


Sampling recommendations

Generation defaults are inherited from MiniCPM5-1B:

Mode Params
Think (default) temperature=0.9, top_p=0.95
No Think temperature=0.7, top_p=0.95, enable_thinking=False

Capabilities

  • Tool calling (enhanced in V2) — stronger function-calling / tool-use behavior
  • Fable 5 fine-tune (V2) — post-trained on Fable 5 data
  • Coding — code generation, debugging, and software-engineering workflows
  • Instruction following — more reliable adherence to user prompts and task constraints
  • Thinking mode — chain-of-thought reasoning; MiniCPM5 chat template baked into the GGUF
  • Long context — up to 128K tokens (131,072 tokens per upstream config.json)

Benchmark

Scores for the Transformers checkpoint MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking:

BFCL + API-Bank

Model BFCL non_live BFCL live API-Bank
MiniCPM5-1B (Base) 41.51% 60.24% 7.30%
MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking 43.06% 63.33% 22.10%

Tau-Bench

Domain MiniCPM5-1B (Base) MiniCPM5-1B-Claude-Opus-Fable5-V2-Thinking
Airline 0.34 (17/50) 0.36 (18/50)
Retail 0.052 (6/115) 0.070 (8/115)

Limitations

  • Thinking outputs — the model may emit reasoning blocks before the final answer
  • 1B scale — lightweight local deployment; not frontier-scale
  • Runtime context — actual usable context depends on your GGUF runtime and hardware limits

Provenance & licensing

Apache-2.0, inherited from MiniCPM5-1B.

Acknowledgements

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