Skip to content
whatismyalternative

StepFun

Leading models and tools to accelerate the deployment of your next AI app.

Visit StepFun

StepFun is an AI platform that offers access to large language models and voice models via API. It provides a range of models including the Step 5 Preview frontier model, Step 3.7 Flash, Step 3.5 Flash, and the StepAudio 3 family for speech recognition, real-time interaction, voice and music generation. The platform supports usage-based billing, a subscription plan (Step Plan), and a no-code studio (AI Studio) for testing models. It also offers a developer program with tokens and technical support for independent developers and early-stage teams.

12 alternatives to StepFun

Ranked by how well each tool replaces StepFun: shared features, audience, price and popularity.

  1. Building AGI with our mission: Intelligence with Everyone. Global leader in multi-modal AI

    Covers 4 of 11 key features and is open source.

    Open source
    61 out of 100 match$5/mo
  2. AI & Agent Cloud for Developers

    Covers 4 of 11 key features.

    Free plan
    61 out of 100 matchUsage-based
  3. Run enterprise AI workloads on BytePlus cloud infrastructure and models.

    Covers 7 of 11 key features.

    Free plan
    60 out of 100 match$10/mo
  4. Into the Unknown

    Covers 1 of 11 key features and is open source.

    Open source
    60 out of 100 match—
  5. AI Systems Built for the Enterprise

    Covers 3 of 11 key features.

    Free plan
    60 out of 100 matchUsage-based
  6. Run efficient foundation models directly on edge devices.

    Covers 4 of 11 key features and is open source.

    Free planOpen source
    59 out of 100 matchFree
  7. AI Inference cloud for developers

    Covers 4 of 11 key features.

    Free plan
    59 out of 100 matchUsage-based
  8. OpenAI's API provides access to GPT models for natural language, coding, image generation,

    Covers 2 of 11 key features.

    59 out of 100 match—
  9. Reliable AI systems for critical decisions

    Covers 2 of 11 key features.

    59 out of 100 matchContact sales
  10. The AI community building the future

    Covers 0 of 11 key features.

    Free plan
    58 out of 100 match$9/mo
  11. The Frontier AI Inference Cloud

    Covers 3 of 11 key features.

    58 out of 100 matchUsage-based
  12. Serve and scale open-source and custom AI models on the fastest, most reliable inference

    Covers 2 of 11 key features.

    Free plan
    58 out of 100 matchFree