diff --git a/api/core/model_runtime/model_providers/stepfun/llm/_position.yaml b/api/core/model_runtime/model_providers/stepfun/llm/_position.yaml
index b34433e1d4d150..2bb0c703f4aa39 100644
--- a/api/core/model_runtime/model_providers/stepfun/llm/_position.yaml
+++ b/api/core/model_runtime/model_providers/stepfun/llm/_position.yaml
@@ -2,5 +2,7 @@
 - step-1-32k
 - step-1-128k
 - step-1-256k
+- step-1-flash
+- step-2-16k
 - step-1v-8k
 - step-1v-32k
diff --git a/api/core/model_runtime/model_providers/stepfun/llm/step-1-flash.yaml b/api/core/model_runtime/model_providers/stepfun/llm/step-1-flash.yaml
new file mode 100644
index 00000000000000..afb880f2a40bbc
--- /dev/null
+++ b/api/core/model_runtime/model_providers/stepfun/llm/step-1-flash.yaml
@@ -0,0 +1,25 @@
+model: step-1-flash
+label:
+  zh_Hans: step-1-flash
+  en_US: step-1-flash
+model_type: llm
+features:
+  - agent-thought
+model_properties:
+  mode: chat
+  context_size: 8000
+parameter_rules:
+  - name: temperature
+    use_template: temperature
+  - name: top_p
+    use_template: top_p
+  - name: max_tokens
+    use_template: max_tokens
+    default: 512
+    min: 1
+    max: 8000
+pricing:
+  input: '0.001'
+  output: '0.004'
+  unit: '0.001'
+  currency: RMB
diff --git a/api/core/model_runtime/model_providers/stepfun/llm/step-1v-32k.yaml b/api/core/model_runtime/model_providers/stepfun/llm/step-1v-32k.yaml
index f878ee3e56e1f9..08d6ad245d2dd6 100644
--- a/api/core/model_runtime/model_providers/stepfun/llm/step-1v-32k.yaml
+++ b/api/core/model_runtime/model_providers/stepfun/llm/step-1v-32k.yaml
@@ -5,6 +5,9 @@ label:
 model_type: llm
 features:
   - vision
+  - tool-call
+  - multi-tool-call
+  - stream-tool-call
 model_properties:
   mode: chat
   context_size: 32000
diff --git a/api/core/model_runtime/model_providers/stepfun/llm/step-1v-8k.yaml b/api/core/model_runtime/model_providers/stepfun/llm/step-1v-8k.yaml
index 6c3cb61d2c6621..843d14d9c67e80 100644
--- a/api/core/model_runtime/model_providers/stepfun/llm/step-1v-8k.yaml
+++ b/api/core/model_runtime/model_providers/stepfun/llm/step-1v-8k.yaml
@@ -5,6 +5,9 @@ label:
 model_type: llm
 features:
   - vision
+  - tool-call
+  - multi-tool-call
+  - stream-tool-call
 model_properties:
   mode: chat
   context_size: 8192
diff --git a/api/core/model_runtime/model_providers/stepfun/llm/step-2-16k.yaml b/api/core/model_runtime/model_providers/stepfun/llm/step-2-16k.yaml
new file mode 100644
index 00000000000000..6f2dabbfb0e308
--- /dev/null
+++ b/api/core/model_runtime/model_providers/stepfun/llm/step-2-16k.yaml
@@ -0,0 +1,28 @@
+model: step-2-16k
+label:
+  zh_Hans: step-2-16k
+  en_US: step-2-16k
+model_type: llm
+features:
+  - agent-thought
+  - tool-call
+  - multi-tool-call
+  - stream-tool-call
+model_properties:
+  mode: chat
+  context_size: 16000
+parameter_rules:
+  - name: temperature
+    use_template: temperature
+  - name: top_p
+    use_template: top_p
+  - name: max_tokens
+    use_template: max_tokens
+    default: 1024
+    min: 1
+    max: 16000
+pricing:
+  input: '0.038'
+  output: '0.120'
+  unit: '0.001'
+  currency: RMB
diff --git a/api/core/tools/provider/builtin/stepfun/__init__.py b/api/core/tools/provider/builtin/stepfun/__init__.py
new file mode 100644
index 00000000000000..e69de29bb2d1d6
diff --git a/api/core/tools/provider/builtin/stepfun/_assets/icon.png b/api/core/tools/provider/builtin/stepfun/_assets/icon.png
new file mode 100644
index 00000000000000..85b96d0c74c24c
Binary files /dev/null and b/api/core/tools/provider/builtin/stepfun/_assets/icon.png differ
diff --git a/api/core/tools/provider/builtin/stepfun/stepfun.py b/api/core/tools/provider/builtin/stepfun/stepfun.py
new file mode 100644
index 00000000000000..e809b04546aef5
--- /dev/null
+++ b/api/core/tools/provider/builtin/stepfun/stepfun.py
@@ -0,0 +1,25 @@
+from typing import Any
+
+from core.tools.errors import ToolProviderCredentialValidationError
+from core.tools.provider.builtin.stepfun.tools.image import StepfunTool
+from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController
+
+
+class StepfunProvider(BuiltinToolProviderController):
+    def _validate_credentials(self, credentials: dict[str, Any]) -> None:
+        try:
+            StepfunTool().fork_tool_runtime(
+                runtime={
+                    "credentials": credentials,
+                }
+            ).invoke(
+                user_id='',
+                tool_parameters={
+                    "prompt": "cute girl, blue eyes, white hair, anime style",
+                    "size": "1024x1024",
+                    "n": 1
+                },
+            )
+        except Exception as e:
+            raise ToolProviderCredentialValidationError(str(e))
+        
\ No newline at end of file
diff --git a/api/core/tools/provider/builtin/stepfun/stepfun.yaml b/api/core/tools/provider/builtin/stepfun/stepfun.yaml
new file mode 100644
index 00000000000000..1f841ec369b5c3
--- /dev/null
+++ b/api/core/tools/provider/builtin/stepfun/stepfun.yaml
@@ -0,0 +1,46 @@
+identity:
+  author: Stepfun
+  name: stepfun
+  label:
+    en_US: Image-1X
+    zh_Hans: 阶跃星辰绘画
+    pt_BR: Image-1X
+  description:
+    en_US: Image-1X
+    zh_Hans: 阶跃星辰绘画
+    pt_BR: Image-1X
+  icon: icon.png
+  tags:
+    - image
+    - productivity
+credentials_for_provider:
+  stepfun_api_key:
+    type: secret-input
+    required: true
+    label:
+      en_US: Stepfun API key
+      zh_Hans: 阶跃星辰API key
+      pt_BR: Stepfun API key
+    help:
+      en_US: Please input your stepfun API key
+      zh_Hans: 请输入你的阶跃星辰 API key
+      pt_BR: Please input your stepfun API key
+    placeholder:
+      en_US: Please input your stepfun API key
+      zh_Hans: 请输入你的阶跃星辰 API key
+      pt_BR: Please input your stepfun API key
+  stepfun_base_url:
+    type: text-input
+    required: false
+    label:
+      en_US: Stepfun base URL
+      zh_Hans: 阶跃星辰 base URL
+      pt_BR: Stepfun base URL
+    help:
+      en_US: Please input your Stepfun base URL
+      zh_Hans: 请输入你的阶跃星辰 base URL
+      pt_BR: Please input your Stepfun base URL
+    placeholder:
+      en_US: Please input your Stepfun base URL
+      zh_Hans: 请输入你的阶跃星辰 base URL
+      pt_BR: Please input your Stepfun base URL
diff --git a/api/core/tools/provider/builtin/stepfun/tools/image.py b/api/core/tools/provider/builtin/stepfun/tools/image.py
new file mode 100644
index 00000000000000..5e544aada63b40
--- /dev/null
+++ b/api/core/tools/provider/builtin/stepfun/tools/image.py
@@ -0,0 +1,72 @@
+import random
+from typing import Any, Union
+
+from openai import OpenAI
+from yarl import URL
+
+from core.tools.entities.tool_entities import ToolInvokeMessage
+from core.tools.tool.builtin_tool import BuiltinTool
+
+
+class StepfunTool(BuiltinTool):
+    """ Stepfun Image Generation Tool """
+    def _invoke(self,
+                user_id: str,
+                tool_parameters: dict[str, Any],
+                ) -> Union[ToolInvokeMessage, list[ToolInvokeMessage]]:
+        """
+            invoke tools
+        """
+        base_url = self.runtime.credentials.get('stepfun_base_url', None)
+        if not base_url:
+            base_url = None
+        else:
+            base_url = str(URL(base_url) / 'v1')
+
+        client = OpenAI(
+            api_key=self.runtime.credentials['stepfun_api_key'],
+            base_url=base_url,
+        )
+
+        extra_body = {}
+        model = tool_parameters.get('model', 'step-1x-medium')
+        if not model:
+            return self.create_text_message('Please input model name')
+        # prompt
+        prompt = tool_parameters.get('prompt', '')
+        if not prompt:
+            return self.create_text_message('Please input prompt')
+
+        seed = tool_parameters.get('seed', 0)
+        if seed > 0:
+            extra_body['seed'] = seed
+        steps = tool_parameters.get('steps', 0)
+        if steps > 0:
+            extra_body['steps'] = steps
+        negative_prompt = tool_parameters.get('negative_prompt', '')
+        if negative_prompt:
+            extra_body['negative_prompt'] = negative_prompt
+
+        # call openapi stepfun model
+        response = client.images.generate(
+            prompt=prompt,
+            model=model,
+            size=tool_parameters.get('size', '1024x1024'),
+            n=tool_parameters.get('n', 1),
+            extra_body= extra_body
+        )
+        print(response)
+
+        result = []
+        for image in response.data:
+            result.append(self.create_image_message(image=image.url))
+            result.append(self.create_json_message({
+                "url": image.url,
+            }))
+        return result
+
+    @staticmethod
+    def _generate_random_id(length=8):
+        characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
+        random_id = ''.join(random.choices(characters, k=length))
+        return random_id
diff --git a/api/core/tools/provider/builtin/stepfun/tools/image.yaml b/api/core/tools/provider/builtin/stepfun/tools/image.yaml
new file mode 100644
index 00000000000000..1e20b157aa131f
--- /dev/null
+++ b/api/core/tools/provider/builtin/stepfun/tools/image.yaml
@@ -0,0 +1,158 @@
+identity:
+  name: stepfun
+  author: Stepfun
+  label:
+    en_US: step-1x
+    zh_Hans: 阶跃星辰绘画
+    pt_BR: step-1x
+  description:
+    en_US: step-1x is a powerful drawing tool by stepfun, you can draw the image based on your prompt
+    zh_Hans: step-1x 系列是阶跃星辰提供的强大的绘画工具，它可以根据您的提示词绘制出您想要的图像。
+    pt_BR: step-1x is a powerful drawing tool by stepfun, you can draw the image based on your prompt
+description:
+  human:
+    en_US: step-1x is a text to image tool
+    zh_Hans: step-1x 是一个文本/图像到图像的工具
+    pt_BR: step-1x is a text to image tool
+  llm: step-1x is a tool used to generate images from text or image
+parameters:
+  - name: prompt
+    type: string
+    required: true
+    label:
+      en_US: Prompt
+      zh_Hans: 提示词
+      pt_BR: Prompt
+    human_description:
+      en_US: Image prompt, you can check the official documentation of step-1x
+      zh_Hans: 图像提示词，您可以查看step-1x 的官方文档
+      pt_BR: Image prompt, you can check the official documentation of step-1x
+    llm_description: Image prompt of step-1x you should describe the image you want to generate as a list of words as possible as detailed
+    form: llm
+  - name: model
+    type: select
+    required: false
+    human_description:
+      en_US: used for selecting the model name
+      zh_Hans: 用于选择模型的名字
+      pt_BR: used for selecting the model name
+    label:
+      en_US: Model Name
+      zh_Hans: 模型名字
+      pt_BR: Model Name
+    form: form
+    options:
+      - value: step-1x-turbo
+        label:
+          en_US: turbo
+          zh_Hans: turbo
+          pt_BR: turbo
+      - value: step-1x-medium
+        label:
+          en_US: medium
+          zh_Hans: medium
+          pt_BR: medium
+      - value: step-1x-large
+        label:
+          en_US: large
+          zh_Hans: large
+          pt_BR: large
+    default: step-1x-medium
+  - name: size
+    type: select
+    required: false
+    human_description:
+      en_US: used for selecting the image size
+      zh_Hans: 用于选择图像大小
+      pt_BR: used for selecting the image size
+    label:
+      en_US: Image size
+      zh_Hans: 图像大小
+      pt_BR: Image size
+    form: form
+    options:
+      - value: 256x256
+        label:
+          en_US: 256x256
+          zh_Hans: 256x256
+          pt_BR: 256x256
+      - value: 512x512
+        label:
+          en_US: 512x512
+          zh_Hans: 512x512
+          pt_BR: 512x512
+      - value: 768x768
+        label:
+          en_US: 768x768
+          zh_Hans: 768x768
+          pt_BR: 768x768
+      - value: 1024x1024
+        label:
+          en_US: 1024x1024
+          zh_Hans: 1024x1024
+          pt_BR: 1024x1024
+      - value: 1280x800
+        label:
+          en_US: 1280x800
+          zh_Hans: 1280x800
+          pt_BR: 1280x800
+      - value: 800x1280
+        label:
+          en_US: 800x1280
+          zh_Hans: 800x1280
+          pt_BR: 800x1280
+    default: 1024x1024
+  - name: n
+    type: number
+    required: true
+    human_description:
+      en_US: used for selecting the number of images
+      zh_Hans: 用于选择图像数量
+      pt_BR: used for selecting the number of images
+    label:
+      en_US: Number of images
+      zh_Hans: 图像数量
+      pt_BR: Number of images
+    form: form
+    default: 1
+    min: 1
+    max: 10
+  - name: seed
+    type: number
+    required: false
+    label:
+      en_US: seed
+      zh_Hans: seed
+      pt_BR: seed
+    human_description:
+      en_US: seed
+      zh_Hans: seed
+      pt_BR: seed
+    form: form
+    default: 10
+  - name: steps
+    type: number
+    required: false
+    label:
+      en_US: Steps
+      zh_Hans: Steps
+      pt_BR: Steps
+    human_description:
+      en_US: Steps
+      zh_Hans: Steps
+      pt_BR: Steps
+    form: form
+    default: 10
+  - name: negative_prompt
+    type: string
+    required: false
+    label:
+      en_US: Negative prompt
+      zh_Hans: Negative prompt
+      pt_BR: Negative prompt
+    human_description:
+      en_US: Negative prompt
+      zh_Hans: Negative prompt
+      pt_BR: Negative prompt
+    form: form
+    default: (worst quality:1.3), (nsfw), low quality