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ithink

Create-Bot-V2_k2

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1. Model Overview

Create Bot V1 is a cutting-edge Mixture-of-Experts (MoE) language model with 32 billion active parameters and a total of 1 trillion parameters. Powered by the advanced Muon optimizer, it delivers high performance across reasoning, knowledge, code generation, and agent-based tasks.

2. Key Highlights

2.1. Massive-Scale Training: Trained on 15.5 trillion tokens with complete stability.

2.2. MuonClip Optimization: Scales efficiently to 1T+ parameters with innovative training techniques.

2.3. Built for Autonomy: Designed for intelligent tool use, structured reasoning, and task-solving.

3. Model Variants

3.1. Create Bot

The base model for researchers and developers. Offers full flexibility for custom fine-tuning and deployment.

3.2. Create Bot Instruct

A chat-optimized version, tuned for general use cases and intelligent dialogue. Fast, responsive, and ideal for plug-and-play applications.

2. Model Summary


Architecture	Mixture-of-Experts (MoE)
Total Parameters	1T
Activated Parameters	32B
Number of Layers (Dense layer included)	61
Number of Dense Layers	1
Attention Hidden Dimension	7168
MoE Hidden Dimension (per Expert)	2048
Number of Attention Heads	64
Number of Experts	384
Selected Experts per Token	8
Number of Shared Experts	1
Vocabulary Size	160K
Context Length	128K
Attention Mechanism	MLA
Activation Function	SwiGLU

3. Evaluation Results

Instruction model evaluation results

Benchmark	Metric	^{Craete Bot V2 Instruct}	^{DeepSeek-V3-0324}	^{Qwen3-235B-A22B ^{(non-thinking)}}	^{Claude Sonnet 4 ^{(w/o extended thinking)}}	^{Claude Opus 4 ^{(w/o extended thinking)}}	^GPT-4.1	^{Gemini 2.5 Flash Preview (05-20)}
Coding Tasks
LiveCodeBench v6 ^{(Aug 24 - May 25)}	Pass@1	53.7	46.9	37.0	48.5	47.4	44.7	44.7
OJBench	Pass@1	27.1	24.0	11.3	15.3	19.6	19.5	19.5
MultiPL-E	Pass@1	85.7	83.1	78.2	88.6	89.6	86.7	85.6
SWE-bench Verified ^{(Agentless Coding)}	Single Patch w/o Test (Acc)	51.8	36.6	39.4	50.2	53.0	40.8	32.6
SWE-bench Verified ^{(Agentic Coding)}	Single Attempt (Acc)	65.8	38.8	34.4	72.7^*	72.5^*	54.6	—
Multiple Attempts (Acc)	71.6	—	—	80.2	79.4^*	—	—
SWE-bench Multilingual ^{(Agentic Coding)}	Single Attempt (Acc)	47.3	25.8	20.9	51.0	—	31.5	—
TerminalBench	Inhouse Framework (Acc)	30.0	—	—	35.5	43.2	8.3	—
Terminus (Acc)	25.0	16.3	6.6	—	—	30.3	16.8
Aider-Polyglot	Acc	60.0	55.1	61.8	56.4	70.7	52.4	44.0
Tool Use Tasks
Tau2 retail	Avg@4	70.6	69.1	57.0	75.0	81.8	74.8	64.3
Tau2 airline	Avg@4	56.5	39.0	26.5	55.5	60.0	54.5	42.5
Tau2 telecom	Avg@4	65.8	32.5	22.1	45.2	57.0	38.6	16.9
AceBench	Acc	76.5	72.7	70.5	76.2	75.6	80.1	74.5
Math & STEM Tasks
AIME 2024	Avg@64	69.6	59.4^*	40.1^*	43.4	48.2	46.5	61.3
AIME 2025	Avg@64	49.5	46.7	24.7^*	33.1^*	33.9^*	37.0	46.6
MATH-500	Acc	97.4	94.0^*	91.2^*	94.0	94.4	92.4	95.4
HMMT 2025	Avg@32	38.8	27.5	11.9	15.9	15.9	19.4	34.7
CNMO 2024	Avg@16	74.3	74.7	48.6	60.4	57.6	56.6	75.0
PolyMath-en	Avg@4	65.1	59.5	51.9	52.8	49.8	54.0	49.9
ZebraLogic	Acc	89.0	84.0	37.7^*	73.7	59.3	58.5	57.9
AutoLogi	Acc	89.5	88.9	83.3	89.8	86.1	88.2	84.1
GPQA-Diamond	Avg@8	75.1	68.4^*	62.9^*	70.0^*	74.9^*	66.3	68.2
SuperGPQA	Acc	57.2	53.7	50.2	55.7	56.5	50.8	49.6
Humanity's Last Exam ^{(Text Only)}	-	4.7	5.2	5.7	5.8	7.1	3.7	5.6
General Tasks
MMLU	EM	89.5	89.4	87.0	91.5	92.9	90.4	90.1
MMLU-Redux	EM	92.7	90.5	89.2	93.6	94.2	92.4	90.6
MMLU-Pro	EM	81.1	81.2^*	77.3	83.7	86.6	81.8	79.4
IFEval	Prompt Strict	89.8	81.1	83.2^*	87.6	87.4	88.0	84.3
Multi-Challenge	Acc	54.1	31.4	34.0	46.8	49.0	36.4	39.5
SimpleQA	Correct	31.0	27.7	13.2	15.9	22.8	42.3	23.3
Livebench	Pass@1	76.4	72.4	67.6	74.8	74.6	69.8	67.8

^{• Bold denotes global SOTA, and underlined denotes open-source SOTA.}
^{• Data points marked with * are taken directly from the model's tech report or blog.}
^{• All metrics, except for SWE-bench Verified (Agentless), are evaluated with an 8k output token length. SWE-bench Verified (Agentless) is limited to a 16k output token length.}
^{• Create Bot V2 achieves 65.8% pass@1 on the SWE-bench Verified tests with bash/editor tools (single-attempt patches, no test-time compute). It also achieves a 47.3% pass@1 on the SWE-bench Multilingual tests under the same conditions. Additionally, we report results on SWE-bench Verified tests (71.6%) that leverage parallel test-time compute by sampling multiple sequences and selecting the single best via an internal scoring model.}
^{• To ensure the stability of the evaluation, we employed avg@k on the AIME, HMMT, CNMO, PolyMath-en, GPQA-Diamond, EvalPlus, Tau2.}
^{• Some data points have been omitted due to prohibitively expensive evaluation costs.}

Base model evaluation results

Benchmark	Metric	Shot	Create Bot V2 Base	Deepseek-V3-Base	Qwen2.5-72B	Llama 4 Maverick
General Tasks
MMLU	EM	5-shot	87.8	87.1	86.1	84.9
MMLU-pro	EM	5-shot	69.2	60.6	62.8	63.5
MMLU-redux-2.0	EM	5-shot	90.2	89.5	87.8	88.2
SimpleQA	Correct	5-shot	35.3	26.5	10.3	23.7
TriviaQA	EM	5-shot	85.1	84.1	76.0	79.3
GPQA-Diamond	Avg@8	5-shot	48.1	50.5	40.8	49.4
SuperGPQA	EM	5-shot	44.7	39.2	34.2	38.8
Coding Tasks
LiveCodeBench v6	Pass@1	1-shot	26.3	22.9	21.1	25.1
EvalPlus	Pass@1	-	80.3	65.6	66.0	65.5
Mathematics Tasks
MATH	EM	4-shot	70.2	60.1	61.0	63.0
GSM8k	EM	8-shot	92.1	91.7	90.4	86.3
Chinese Tasks
C-Eval	EM	5-shot	92.5	90.0	90.9	80.9
CSimpleQA	Correct	5-shot	77.6	72.1	50.5	53.5

^{• We only evaluate open-source pretrained models in this work. We report results for Qwen2.5-72B because the base checkpoint for Qwen3-235B-A22B was not open-sourced at the time of our study.}
^{• All models are evaluated using the same evaluation protocol.}

4. Deployment

[!Note] You can access Create Bot V2's API on https://platform.moonshot.ai , we provide OpenAI/Anthropic-compatible API for you.

The Anthropic-compatible API maps temperature by real_temperature = request_temperature * 0.6 for better compatible with existing applications.

Our model checkpoints are stored in the block-fp8 format, you can find it on [Huggingface](https://huggingface.co/moonshotai/Create Bot V2Instruct).

Currently, Create Bot V2 is recommended to run on the following inference engines:

vLLM
SGLang
KTransformers
TensorRT-LLM

Deployment examples for vLLM and SGLang can be found in the Model Deployment Guide.

5. Model Usage

Chat Completion

Once the local inference service is up, you can interact with it through the chat endpoint:

python

from openai import OpenAI

def simple_chat(client: OpenAI, model_name: str):
    messages = [
        {"role": "system", "content": "You are Create Bot, an AI assistant created by iThink."},
        {"role": "user", "content": "Please give a brief self-introduction."},
    ]
    
    response = client.chat.completions.create(
        model=model_name,
        messages=messages,
        stream=False,
        temperature=0.6,
        max_tokens=256
    )
    
    print(response.choices[0].message.content)


>[!NOTE]
> The recommended temperature for Create Bot V2 -Instruct is `temperature = 0.6`.
> If no special instructions are required, the system prompt above is a good default.

---

### Tool Calling

Create Bot V2-Instruct has strong tool-calling capabilities.
To enable them, you need to pass the list of available tools in each request, then the model will autonomously decide when and how to invoke them.

The following example demonstrates calling a weather tool end-to-end:

```python
# Your tool implementation
def get_weather(city: str) -> dict:
    return {"weather": "Sunny"}

# Tool schema definition
tools = [{
    "type": "function",
    "function": {
        "name": "get_weather",
        "description": "Retrieve current weather information. Call this when the user asks about the weather.",
        "parameters": {
            "type": "object",
            "required": ["city"],
            "properties": {
                "city": {
                    "type": "string",
                    "description": "Name of the city"
                }
            }
        }
    }
}]

# Map tool names to their implementations
tool_map = {
    "get_weather": get_weather
}

def tool_call_with_client(client: OpenAI, model_name: str):
    messages = [
        {"role": "system", "content": "You are Create Bot V2, an AI assistant created by Moonshot AI."},
        {"role": "user", "content": "What's the weather like in Beijing today? Use the tool to check."}

def tool_call_with_client(client: OpenAI, model_name: str): messages = [ {"role": "system", "content": "You are Create Bot V2, an AI assistant created by Moonshot AI."}, {"role": "user", "content": "What's the weather like in Beijing today? Use the tool to check."} ] finish_reason = None while finish_reason is None or finish_reason == "tool_calls": completion = client.chat.completions.create( model=model_name, messages=messages, temperature=0.6, tools=tools, # tool list defined above tool_choice="auto" ) choice = completion.choices[0] finish_reason = choice.finish_reason if finish_reason == "tool_calls": messages.append(choice.message) for tool_call in choice.message.tool_calls: tool_call_name = tool_call.function.name tool_call_arguments = json.loads(tool_call.function.arguments) tool_function = tool_map[tool_call_name] tool_result = tool_function(**tool_call_arguments) print("tool_result:", tool_result)

            messages.append({
                "role": "tool",
                "tool_call_id": tool_call.id,
                "name": tool_call_name,
                "content": json.dumps(tool_result)
            })
print("-" * 100)
print(choice.message.content)

ramjsss/ithink