StepFun · Pricing Plans
Stepfun Plans Pricing
Stepfun Plans Pricing is the pricing profile for StepFun on the APIs.io network — every figure transcribed verbatim from the provider’s own pricing page on 2026-10-07.
It defines 29 plans, including step-5-preview — 7 元; step-3.7-flash — 1.35 元; step-3.5-flash — 0.7 元, and 26 more.
The page prices API or platform usage directly, priced per call; the service is delivered as managed.
Tagged areas include Artificial Intelligence, LLM, Multi-Modal, Chat Completions, and Audio.
29 Plans
Prices the API
Basis: per call
Delivered: managed
Transcribed from the provider's pricing page on 2026-10-07 — platform.stepfun.com/docs/zh/guides/pricing/details.
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Artificial IntelligenceLLMMulti-ModalChat CompletionsAudioSpeechText-to-SpeechSpeech RecognitionImageReal-TimeVector StoresChina
Plans
step-5-preview
per-use
7 元 per 1M tokens
Includes: 输入价格（缓存未命中）
Overage: 输入价格（缓存命中）0.35 元；输出价格 20 元
step-3.7-flash
per-use
1.35 元 per 1M tokens
Includes: 输入价格（缓存未命中）
Overage: 缓存命中 0.27 元；输出 8.1 元
step-3.5-flash
per-use
0.7 元 per 1M tokens
Includes: 输入（缓存未命中）
Overage: 缓存命中 0.14 元；输出 2.1 元
step-3.5-flash-2603
per-use
0.7 元 per 1M tokens
Includes: 输入（缓存未命中）
Overage: 缓存命中 0.14 元；输出 2.1 元
step-1o-turbo-vision
per-use
2.5 元 per 1M tokens
Includes: 输入（缓存未命中）
Overage: 缓存命中 0.5 元；输出 8 元
stepaudio-2.5-realtime
per-use
10 元 per 1M tokens
Includes: 输入（缓存未命中）
Overage: 缓存命中 2 元；输出 70 元
stepaudio-2.5-chat
per-use
10 元 per 1M tokens
Includes: 输入（缓存未命中）
Overage: 缓存命中 2 元；输出 25 元
step-1o-audio
per-use
25 元 per 1M tokens
Includes: 输入（缓存未命中）
Overage: 缓存命中 5 元；输出 60 元
step-audio-2
per-use
10 元 per 1M tokens
Overage: 缓存命中 2 元；输出 70 元
step-audio-r1.5
per-use
10 元 per 1M tokens
Overage: 缓存命中 2 元；输出 105 元
stepaudio-3-realtime-preview
per-use
限时免费
stepaudio-3-chat-preview
per-use
限时免费
stepaudio-3-tts
per-use
2.5 元 / 万字符 per 万字符
stepaudio-2.5-tts
per-use
5.8 元/万字符 per 万字符
step-tts-2
per-use
2.8 元/万字符 per 万字符
step-tts-mini
per-use
0.9 元/万字符 per 万字符
语音复刻
per-use
9.9 元/音色 per 音色
stepaudio-3-asr-max
per-use
2.8 元 / 小时 per 小时
stepaudio-2.5-asr
per-use
0.15 元/小时 per 小时
stepaudio-2.5-asr-stream
per-use
1.2 元/小时 per 小时
stepaudio-2-asr-pro
per-use
2 元/小时 per 小时
step-asr
per-use
0.9 元/小时 per 小时
step-asr-1.1
per-use
2.2 元/小时 per 小时
step-asr-1.1-stream
per-use
2.6 元/小时 per 小时
step-2x-large
per-use
0.1 元 per 1 张
step-image-edit-2
per-use
0.02 元 per 1 张
互联网搜索
per-use
0.04 元 per 1 次
文搜图
per-use
0.12 元 per 1 次
文件存储
per-use
0.5 元/GB/天 per GB/天
Sources
Work with this as data
Every plan here is available over the APIs.io API and to AI agents over MCP.