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jdopensource/
JoyAI-LLM-Flash-GGUF

Name: JoyAI-LLM-Flash-GGUF
Availability: InStock

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1. Model Introduction

JoyAI-LLM-Flash is a state-of-the-art medium-sized instruct language model with 3 billion activated parameters and 48 billion total parameters. JoyAI-LLM-Flash was pretrained on 20 trillion text tokens using Muon optimizer, followed by large-scale supervised fine-tuning (SFT), direct preference optimization (DPO), and reinforcement learning (RL) across diverse environments. JoyAI-LLM-Flash achieves strong performance across frontier knowledge, reasoning, coding tasks and agentic capabilities.

Key Features

Fiber Bundle RL: Introduces fiber bundle theory into reinforcement learning, proposing a novel optimization framework, FiberPO. This method is specifically designed to handle the challenges of large-scale and heterogeneous agent training, improving stability and robustness under complex data distributions.
Training-Inference Collaboration: apply Muon optimizer with dense MTP, develop novel optimization techniques to resolve instabilities while scaling up, delivering 1.3× to 1.7× the throughput of the non-MTP version.
Agentic Intelligence: designed for tool use, reasoning, and autonomous problem-solving.

2. Model Summary


Architecture	Mixture-of-Experts (MoE)
Total Parameters	48B
Activated Parameters	3B
Number of Layers (Dense layer included)	40
Number of Dense Layers	1
Attention Hidden Dimension	2048
MoE Hidden Dimension (per Expert)	768
Number of Attention Heads	32
Number of Experts	256
Selected Experts per Token	8
Number of Shared Experts	1
Vocabulary Size	129K
Context Length	128K
Attention Mechanism	MLA
Activation Function	SwiGLU

3. Evaluation Results

Benchmark	^{JoyAI-LLM Flash}	^{Qwen3-30B-A3B-Instuct-2507}	^{GLM-4.7-Flash (Non-thinking)}
Knowledge & Alignment
MMLU	89.50	86.87	80.53
MMLU-Pro	81.02	73.88	63.62
CMMLU	87.03	85.88	75.85
GPQA-Diamond	74.43	68.69	39.90
SuperGPQA	55.00	52.00	32.00
LiveBench	72.90	59.70	43.10
IFEval	86.69	83.18	82.44
AlignBench	8.24	8.07	6.85
HellaSwag	91.79	89.90	60.84
Coding
HumanEval	96.34	95.12	74.39
LiveCodeBench	65.60	39.71	27.43
SciCode	3.08/22.92	3.08/22.92	3.08/15.11
Mathematics
GSM8K	95.83	79.83	81.88
AIME2025	65.83	62.08	24.17
MATH 500	97.10	89.80	90.90
Agentic
SWE-bench Verified	60.60	24.44	51.60
Tau2-Retail	67.55	53.51	62.28
Tau2-Airline	54.00	32.00	52.00
Tau2-Telecom	79.83	4.39	88.60
Long Context
RULER	95.60	89.66	56.12

4. Deployment

[!Note] You can access JoyAI-LLM Flash API on https://docs.jdcloud.com/cn/jdaip/chat and we provide OpenAI/Anthropic-compatible API for you. Currently, JoyAI-LLM-Flash-GGUF is recommended to run on the following inference engines:

Llama.cpp
Ollama

5. Model Usage

The usage demos below demonstrate how to call our official API.

For third-party APIs deployed with vLLM or SGLang, please note that:

[!Note] Recommended sampling parameters: temperature=0.6, top_p=1.0

Chat Completion

This is a simple chat completion script which shows how to call JoyAI-Flash API.

python

from openai import OpenAI

client = OpenAI(base_url="http://IP:PORT/v1", api_key="EMPTY")


def simple_chat(client: OpenAI):
    messages = [
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "which one is bigger, 9.11 or 9.9? think carefully.",
                }
            ],
        },
    ]
    model_name = client.models.list().data[0].id
    response = client.chat.completions.create(
        model=model_name, messages=messages, stream=False, max_tokens=4096
    )
    print(f"response: {response.choices[0].message.content}")


if __name__ == "__main__":
    simple_chat(client)

Tool call Completion

This is a simple toll call completion script which shows how to call JoyAI-Flash API.