StepFun opens Step5 Preview free for a week through OpenCode,Cline and Kilo Code StepFun announced that its Step 5 Preview model is now live on OpenRouter, with a week of free access rolling out across OpenCode, Cline, Nous Research, Kilo Code and other platforms. StepFun described Step 5 Preview as flagship-tier intelligence for agentic and professional work at substantially lower task cost, and pointed users to openrouter.ai/stepfun/step-5 to try it. StepFun on X: "Step 5 Preview now exists where you build. Now live on @OpenRouter. A week of free access is rolling out today across @opencode, @cline , @NousResearch, @kilocode, and more. Flagship-tier intelligence for agentic and professional work, at substantially lower task cost. Keep your workflow. Switch your model. Try Step 5 Preview on OpenRouter: https://t.co/Z1nOT0rDj8" Step 5 Preview now exists where you build. Now live on @OpenRouter. A week of free access is rolling out today across @opencode, @cline , @NousResearch, @kilocode, and more. Flagship-tier intelligence for agentic and professional work, at substantially lower task cost. Keep your workflow. Switch your model. Try Step 5 Preview on OpenRouter: openrouter.ai/stepfun/step-5… Step 5 Preview now exists where you build. Now live on @OpenRouter. A week of free access is rolling out today across @opencode, @cline , @NousResearch, @kilocode, and more. Flagship-tier intelligence for agentic and professional work, at substantially lower task cost. Keep your workflow. Switch your model. Try Step 5 Preview on OpenRouter: openrouter.ai/stepfun/step-5…