Today's price · per 1M tokens
Input
$0.200
per 1M tokens
Output
$1.15
per 1M tokens
Blended
$0.438
blended $/1M — 3:1 weighted input:output
Cached input
$0.040
20% of input — prompt caching
Price receipt
We read StepFun's own pricing page on and found step-3.7-flash listed with a price on the same row — that read is where the number above comes from, recorded as a new model. We keep the page text we read; its content hash is ca8a14ccf4.
Overview
StepFun's multimodal Flash reasoning model, a 198B-parameter sparse MoE with 11B active per token that reads text, images and video in a 256K-token context, tuned for agent and coding workloads. StepFun released the weights under Apache 2.0 and sells it on its own Open Platform. $0.20/$1.15 per 1M tokens.
Deploy this open model on rented GPUs
Open weights mean you can self-host instead of paying per-token API prices. These platforms let you serve it on demand — often cheaper at scale.
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Capabilities
struck through = not supportedSpecifications
- Provider
- StepFun
- Context window
- 262K tokens
- Modality
- text, image, video
- Parameters
- 198B (A11B)
- Open source
- Yes — open weights available
- Released
- Status
- Current
- Last updated
- Tags
Availability verified: — listed on StepFun's own page