Step 5 Preview

Step 5 Preview is 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 professional... It's developed by StepFun and offers 1,000,000 tokens of context with balanced response times. Available now on JustSimpleChat.

Step 5 Preview costs $1 per million input tokens and $2.7 per million output tokens. You can use it on JustSimpleChat with flexible pricing options. Check our pricing page for current rates.

Step 5 Preview supports 1,000,000 input tokens and 64,000 output tokens. This large context window makes it ideal for analyzing long documents, codebases, and extensive conversations.

Step 5 Preview is classified as balanced speed. This means it's balanced, offering a good mix of speed and thoughtful responses. Perfect for complex reasoning, detailed analysis, and tasks requiring careful consideration.

Step 5 Preview excels at data analysis and research, analyzing images and visual content, working with text, images, and other media, integrating with external tools and APIs. As a premium model, it delivers exceptional quality for demanding applications.

Step 5 Preview can assist with coding-related questions and provide guidance on programming concepts. For advanced code generation and execution, consider models with dedicated coding capabilities available on JustSimpleChat.

JustSimpleChat has a free plan with a daily message allowance; Step 5 Preview itself unlocks on a paid plan. Sign up free to start, and upgrade only if you need more.

Getting started with Step 5 Preview is easy: 1) Sign up or log in to JustSimpleChat, 2) Open the chat interface, 3) Select Step 5 Preview from the model picker, and 4) Start chatting! No complex setup required - just choose and use.

Step 5 Preview supports analysis, vision, multimodal, function calling, tool use, structured output, and more. This makes it a versatile choice for a wide range of AI-powered tasks and applications.

Step 5 Preview is part of StepFun's model lineup. On JustSimpleChat, you can compare it side by side with hundreds of other models from providers like OpenAI, Google and Anthropic to find the best fit for your needs.