Stepfun model pricing — all 3 models

3 Stepfun models, sorted cheapest-first. Normalized to $/1M tokens from the OpenRouter live feed.

Token Price Index › Browse › Stepfun

3 Stepfun models ranked by blended cost (3× input + output / 4). Cheapest is StepFun: Step 3.5 Flash at $0.150/M blended. Prices update daily.

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Aion LabsAmazonAnthropicBytedance SeedCohereDeepSeekGoogleInceptionInclusionaiMetaMeta (Llama)MinimaxMistral AIMoonshotaiNous ResearchNVIDIAOpenAIPerplexityPoolsideQwen (Alibaba)SakanaTencentThedrummerThinkingmachinesUpstagexAI (Grok)XiaomiZ Ai~Anthropic~Deepseek~OpenaiBrowse all pages
ModelContextInput $/MOutput $/MBlended $/M
StepFun: Step 3.5 Flash
stepfun
262,144$0.100/M$0.300/M$0.150/M
StepFun: Step 3.7 Flashvisioncache
stepfun
262,144$0.200/M$1.15/M$0.438/M
StepFun: Step 5 Previewvisioncache
stepfun
1,048,576$1.00/M$2.70/M$1.43/M

Frequently asked questions

How many Stepfun models are listed?
There are 3 models matching this filter right now, pulled live from the OpenRouter public API and updated daily.
How often does pricing change?
AI model prices change frequently — sometimes weekly. Token Price Index rebuilds this page daily from the OpenRouter API so you always see current prices. Subscribe for price-drop email alerts.
How is the blended cost calculated?
Blended = (3 × input cost + output cost) / 4. This weights input 3:1 over output, reflecting a typical read-heavy workload. Sort by input or output $/M if your workload differs.
How can I get alerted when a Stepfun model price drops?
Token Price Index Pro emails you the moment any model you follow gets cheaper — for $9/mo. No more manually checking provider pricing pages.

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Data: OpenRouter public model API, normalized to $/1M tokens. Blended = (3×input + output)/4. Generated 19 Oct 2026 22:00 UTC. Prices change often — confirm on the provider before committing spend.