StepFunstep-5-preview

StepFun: Step 5 Preview API Pricing

Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and...

Base Input Price$1.00/ 1M tokens

Base Output Price$2.70/ 1M tokens

Prompt Cache Read$0.100-90% discount

Batch API RateN/A24h async offload

Inference Hosts & Aggregator Providers

Compare rates and latency across direct APIs, OpenRouter, and hyperscale cloud providers

Live verified rates

Provider Name	Input / 1M	Output / 1M	Prompt Caching	Access Endpoint
StepFun Direct	$1.00	$2.70	Supported	Connect
OpenRouter	$1.00	$2.70	Supported	Connect

Head-to-Head Comparisons for StepFun: Step 5 Preview

StepFun: Step 5 Preview vs OpenAI: GPT-6.1 Sol$1/M vs $2/M

StepFun: Step 5 Preview vs GPT-4o (Omni)$1/M vs $2.5/M

StepFun: Step 5 Preview vs Claude 3.5 Sonnet$1/M vs $3/M

StepFun: Step 5 Preview vs DeepSeek-V3 (deepseek-chat)$1/M vs $0.27/M