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StepFun's Step 5 Preview launches on OpenRouter at $1.00/$2.70 per million tokens, with a free week in partner tools

7 articles4 sourcessince Oct 8Last article

Overview

AISummary of 7 articles

StepFun's Step 5 Preview is live on OpenRouter, positioned by the company as its flagship model for agentic and professional work.

OpenRouter lists it at $1.00 per million input tokens and $2.70 per million output tokens, with cache hits discounted 50% at launch to $0.05 per million.

StepFun says a week of free access is rolling out across partner tools including OpenCode, Cline, Nous Research and Kilo Code. OpenCode and Cline separately confirmed the free week in their own tools, and Cline cited strong DeepSWE coding scores ahead of Kimi K3 and GLM-5.3. The model is described as a 600B total, 27B active mixture-of-experts design with a 1M context window and text, image and video input. StepFun's background announcement says open weights arrive on October 15.

Written by AI from the articles below · updated Oct 9, 9:50 AM ET

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Developments

4 developments

  1. Oct 8, 1:44 PM ET · 1 article
    Step 5 Preview free in Cline for one week
    StepFun: Step 5 Preview free in Cline for one week, StepFun says
  2. Oct 8, 1:34 PM ET · 1 article
    Cline makes Step 5 Preview free, citing DeepSWE results ahead of Kimi K3 and GLM-5.3
    Cline: Cline makes Step 5 Preview free, citing strong DeepSWE coding scores
  3. Oct 8, 10:43 AM ET · 2 articles
    StepFun makes Step 5 Preview free in OpenCode for one week
    StepFun: StepFun offers Step 5 Preview free in OpenCode for one week
  4. Oct 8, 9:08 AM ET · 3 articles
    StepFun launches Step 5 Preview on OpenRouter with a week of free access
    StepFun: StepFun's Step 5 Preview is live on OpenRouter with a week of free access

Article timeline

The articles in this story. Times are ET.

Oct 8
  1. StepFun
    Step 5 Preview free in Cline for one week, StepFun says

    AIStepFun's flagship model Step 5 Preview is free to use in Cline for one week. The quoted background says it scores ahead of Kimi K3 and GLM-5.3 on DeepSWE, positioning it among the strongest open-weights coding models.

  2. Cline
    Cline makes Step 5 Preview free, citing strong DeepSWE coding scores

    AICline says Step 5 Preview is now free in its coding tool and scores ahead of Kimi K3 and GLM-5.3 on DeepSWE. The company describes it as one of the strongest open-weights coding models available. StepFun's background announcement describes Step 5 Preview as a 600B total / 27B active MoE model with 1M context and vision, and says open weights arrive on Oct 15.

    Image from @cline's post
  3. StepFun
    StepFun offers Step 5 Preview free in OpenCode for one week

    AIStepFun is offering its flagship Step 5 Preview model free in OpenCode for one week, targeting agentic and professional work. The preview supports a 1M context window, multimodal input, and zero data retention.

  4. OpenCode
    OpenCode offers Step 5 Preview free for a week

    AIOpenCode is offering free access to its Step 5 Preview for one week. The announcement highlights a 1M context window, multimodal support, and zero data retention.

  5. OpenRouter
    StepFun's Step 5 Preview is now available on OpenRouter

    AIOpenRouter says StepFun's Step 5 Preview is now live on its platform, priced at $1.00 per million input tokens and $2.70 per million output tokens. Cache hits are 50% off at launch, bringing them to $0.05 per million, and a week of free access is rolling out across partners including opencode, Cline, Nous Research, and Kilo Code.

  6. OpenRouter
    StepFun's Step 5 Preview launches on OpenRouter as agentic flagship

    AIStepFun's Step 5 Preview is now live on OpenRouter as the company's new flagship for agentic work. It uses a sparse MoE design with 27B active and 600B total parameters, a 1M context window, and accepts text, image, and video input. The post highlights strength in coding and professional knowledge work, especially finance.

    Image from @OpenRouter's post
  7. StepFunPick
    StepFun's Step 5 Preview is live on OpenRouter with a week of free access

    AIStepFun says Step 5 Preview is now available on OpenRouter, with a week of free access rolling out across OpenCode, Cline, Nous Research, Kilo Code, and other tools. The company describes it as flagship-tier intelligence for agentic and professional work at substantially lower task cost, letting users switch models without changing their workflow.

    Image from @StepFun_ai's post

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