by StepFun
step-3.5-flash is stepfun's flagship inference model, designed for high-complexity tasks that require deep reasoning and fast execution. It excels at decomposing multi-step problems, performing tool calls, and maintaining consistency across massive datasets. It is the preferred choice for complex workloads such as long-context agents, advanced software engineering, and end-to-end research automation.
step-3.5-flash is stepfun's flagship inference model, designed for high-complexity tasks that require deep reasoning and fast execution. It excels at decomposing multi-step problems, performing tool calls, and maintaining consistency across massive datasets. It is the preferred choice for complex workloads such as long-context agents, advanced software engineering, and end-to-end research automation.
step-3.5-flash has a 256,000 token context window.
On AIHubMix, step-3.5-flash costs $0.11 per million input tokens and $0.33 per million output tokens.
step-3.5-flash accepts text and image input.
step-3.5-flash is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to step-3.5-flash — no other code changes needed.
step-3.5-flash is developed by StepFun. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
step-3.7-flash is stepfun's flagship inference model, designed for high-complexity tasks…
Step3 is a multimodal reasoning model released by StepFun. It uses a Mixture‑of‑Experts…
Use step-3.5-flash via the AIHubMix unified API — one interface for every major LLM.