{
    "displayName": "StepFun",
    "baseUrl": "https://api.stepfun.com",
    "apiKeyTemplate": "sk-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    "models": [
        {
            "id": "step-5-preview-billing",
            "model": "step-5-preview",
            "name": "Step-5-Preview (PayGo)",
            "sdkMode": "anthropic",
            "tooltip": "Step-5-Preview 是阶跃星辰面向真实任务的新一代旗舰基模，重点覆盖编程与专业知识工作。原生支持文本、图片和视频输入，提供1M tokens上下文窗口，支持三档推理强度（low/medium/high），适合长上下文、工具调用与多步骤Agent任务。",
            "contextSize": [1000000, 512000, 400000, 256000, 192000],
            "maxInputTokens": 936000,
            "maxOutputTokens": 64000,
            "reasoningEffort": ["low", "medium", "high"],
            "capabilities": { "toolCalling": true, "imageInput": true },
            "tokenPricing": { "RMB": [7, 20, 0.35] }
        },
        {
            "id": "step-3.7-flash-billing",
            "model": "step-3.7-flash",
            "name": "Step-3.7-Flash (PayGo)",
            "sdkMode": "anthropic",
            "tooltip": "Step-3.7-Flash 是阶跃星辰旗舰多模态推理模型。基于198B总参数/11B激活参数的稀疏MoE架构，原生支持图片和视频理解，支持三档推理强度（low/medium/high），适合智能体、代码与多模态场景。",
            "maxInputTokens": 224000,
            "maxOutputTokens": 32000,
            "reasoningEffort": ["low", "medium", "high"],
            "capabilities": { "toolCalling": true, "imageInput": true },
            "tokenPricing": { "RMB": [1.35, 8.1, 0.27] }
        },
        {
            "id": "step-3.5-flash-billing",
            "model": "step-3.5-flash",
            "name": "Step-3.5-Flash (PayGo)",
            "sdkMode": "anthropic",
            "tooltip": "Step-3.5-Flash 是阶跃星辰旗舰语言推理模型，196B总参数/11B激活参数的稀疏MoE架构。具备顶尖推理能力与快速可靠的执行能力，能够完成复杂任务的分解与计划，可快速可靠地调用工具执行任务。",
            "maxInputTokens": 224000,
            "maxOutputTokens": 32000,
            "capabilities": { "toolCalling": true, "imageInput": false },
            "tokenPricing": { "RMB": [0.7, 2.1, 0.14] }
        },
        {
            "id": "step-3.5-flash-2603-billing",
            "model": "step-3.5-flash-2603",
            "name": "Step-3.5-Flash-2603 (PayGo)",
            "sdkMode": "anthropic",
            "tooltip": "Step-3.5-Flash-2603 基于 step-3.5-flash 针对高频 Agent 场景优化，Token 效率提升、推理速度更快，可切换至低推理模式大幅降低 Token 消耗，对 Coding 与 Agent 框架兼容性也做了专项优化。",
            "maxInputTokens": 224000,
            "maxOutputTokens": 32000,
            "reasoningEffort": ["low", "high"],
            "capabilities": { "toolCalling": true, "imageInput": false },
            "tokenPricing": { "RMB": [0.7, 2.1, 0.14] }
        },
        {
            "id": "step-5-preview-step-plan",
            "model": "step-5-preview",
            "name": "Step-5-Preview (StepPlan)",
            "sdkMode": "anthropic",
            "baseUrl": "https://api.stepfun.com/step_plan",
            "tooltip": "Step-5-Preview（Step Plan 通道）阶跃星辰面向真实任务的新一代旗舰基模，重点覆盖编程与专业知识工作。原生支持文本、图片和视频输入，提供1M tokens上下文窗口，支持三档推理强度（low/medium/high），适合长上下文、工具调用与多步骤Agent任务。",
            "contextSize": [1000000, 512000, 400000, 256000, 192000],
            "maxInputTokens": 936000,
            "maxOutputTokens": 64000,
            "reasoningEffort": ["low", "medium", "high"],
            "capabilities": { "toolCalling": true, "imageInput": true },
            "tokenPricing": { "RMB": [7, 20, 0.35] }
        },
        {
            "id": "step-3.7-flash-step-plan",
            "model": "step-3.7-flash",
            "name": "Step-3.7-Flash (StepPlan)",
            "sdkMode": "anthropic",
            "baseUrl": "https://api.stepfun.com/step_plan",
            "tooltip": "Step-3.7-Flash（Step Plan 通道）阶跃星辰旗舰多模态推理模型。基于198B总参数/11B激活参数的稀疏MoE架构，原生支持图片和视频理解，支持三档推理强度（low/medium/high），适合智能体、代码与多模态场景。",
            "maxInputTokens": 224000,
            "maxOutputTokens": 32000,
            "reasoningEffort": ["low", "medium", "high"],
            "capabilities": { "toolCalling": true, "imageInput": true },
            "tokenPricing": { "RMB": [1.35, 8.1, 0.27] }
        },
        {
            "id": "step-3.5-flash-step-plan",
            "model": "step-3.5-flash",
            "name": "Step-3.5-Flash (StepPlan)",
            "sdkMode": "anthropic",
            "baseUrl": "https://api.stepfun.com/step_plan",
            "tooltip": "Step-3.5-Flash（Step Plan 通道）阶跃星辰旗舰语言推理模型，196B总参数/11B激活参数的稀疏MoE架构。具备顶尖推理能力与快速可靠的执行能力，能够完成复杂任务的分解与计划。",
            "maxInputTokens": 224000,
            "maxOutputTokens": 32000,
            "capabilities": { "toolCalling": true, "imageInput": false },
            "tokenPricing": { "RMB": [0.7, 2.1, 0.14] }
        },
        {
            "id": "step-3.5-flash-2603-step-plan",
            "model": "step-3.5-flash-2603",
            "name": "Step-3.5-Flash-2603 (StepPlan)",
            "sdkMode": "anthropic",
            "baseUrl": "https://api.stepfun.com/step_plan",
            "tooltip": "Step-3.5-Flash-2603（Step Plan 通道）基于 step-3.5-flash 针对高频 Agent 场景优化，Token 效率提升、推理速度更快。",
            "maxInputTokens": 224000,
            "maxOutputTokens": 32000,
            "reasoningEffort": ["low", "high"],
            "capabilities": { "toolCalling": true, "imageInput": false },
            "tokenPricing": { "RMB": [0.7, 2.1, 0.14] }
        },
        {
            "id": "step-router-v1",
            "model": "step-router-v1",
            "name": "Step-Router-V1 (StepPlan)",
            "sdkMode": "anthropic",
            "baseUrl": "https://api.stepfun.com/step_plan",
            "tooltip": "Step-Router-V1 是智能路由模型，仅可通过 Step Plan 通道调用。系统会自动在 deepseek-v4-pro 与 step-3.5-flash 之间路由，按实际命中模型计费。",
            "maxInputTokens": 224000,
            "maxOutputTokens": 32000,
            "thinking": ["enabled", "disabled"],
            "capabilities": { "toolCalling": true, "imageInput": false },
            "tokenPricing": { "RMB": [1.35, 8.1, 0.27] }
        }
    ]
}