ToolsThe story, in brief

Step 5 Preview now available on AI Gateway

Step 5 Preview now routes through Vercel's AI Gateway—1M-token context, unified pricing, no platform markup for coding agents and knowledge work.

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Why it matters

StepFun's Step 5 Preview model is now available via Vercel's AI Gateway with native integration for coding agents (Claude Code, Cursor, Codex). The 1M-token context window and unified API routing with cost tracking and zero-data-retention options lower friction for teams already using Vercel infrastructure.

The key facts

13 to know
  1. Step 5 Preview: text + image input, 1M-token context window

  2. Native integration for Claude Code, Codex, Cursor, and other coding agents

  3. Vercel AI Gateway: unified API, usage tracking, retries, failover, routing rules

  4. Zero platform fee on inference; provider pricing passed through with no markup

  5. BYOK (Bring Your Own Key) support included

  6. Model name: stepfun/step-5-preview; requires latest Vercel CLI

  7. StepFun Step 5 Preview now available on Vercel AI Gateway

  8. 1M-token context window; supports text and image input

  9. Model name: stepfun/step-5-preview

  10. Compatible with Claude Code, Codex, Cursor, and other coding agents via latest Vercel CLI

  11. AI Gateway provides unified API with usage tracking, retries, failover, routing rules, budgets, custom reporting, Zero Data Retention (BYOK) support

  12. No platform fee on inference; pricing reflects provider rates with no markup

  13. Integration requires setup via `vercel ai` and agent selection

The story so far

Earlier coverage of this storyline

  1. Microsoft AI models are now available on AI GatewayVercel Blog
  2. FLUX 3 Image now available on AI GatewayVercel Blog
  3. Mistral Large 4 now available on AI GatewayVercel Blog
  4. This story

Go to the source

Vercel Blogvercel.com

Publisher excerpt: , StepFun's flagship model, is now available on . It's built for agentic coding, professional knowledge work, and financial analysis, from building apps and debugging code to research and analytical reports.Step 5 PreviewAI Gateway Step 5 Preview supports text and image input with a 1M-token…
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