+
+

Related Products

  • LTX
    182 Ratings
    Visit Website
  • JetBrains Junie
    12 Ratings
    Visit Website
  • Admin By Request Endpoint Privilege Management
    101 Ratings
    Visit Website
  • Concord
    237 Ratings
    Visit Website
  • Runit RealTime Cloud
    25 Ratings
    Visit Website
  • Wave Browser
    52 Ratings
    Visit Website
  • HR Partner
    205 Ratings
    Visit Website
  • Maintenance Care
    293 Ratings
    Visit Website
  • Evertune
    1 Rating
    Visit Website
  • JAMS Scheduler
    279 Ratings
    Visit Website

About

Muse Spark 1.3 is an AI model with improved performance across agentic and coding tasks, designed to be smarter and more practical for real-world work. It sustains longer-horizon tasks by collaborating with users and managing multiple workflows in a single, long thread. Given an open-ended objective, it uses tools to build context across messy or conflicting sources, correct gaps in its plan, track what it has learned, and produce a final deliverable. It asks clarifying questions when prompts are ambiguous, requests help when stuck, and confirms before taking consequential actions. The model follows complex, long-form instructions more reliably, preserving detailed requirements across multi-step tasks without dropping constraints or drifting from the requested workflow. Improved multitasking allows it to map incoming prompts to the correct task even when users interrupt or redirect previous requests.

About

Step 5 Preview is StepFun’s flagship model for agentic work, designed for real-world tasks across software engineering and professional knowledge work, with particular strength in finance. It natively supports text, image, and video input and provides a 1M-token context window, enabling tasks that require large amounts of information, tool calls, and continuous progress toward a deliverable. The model can analyze long documents, multiple source materials, and conversation history for cross-document question answering and research organization. For programming and software engineering, it works across multiple languages and can support troubleshooting, code changes, verification, and test creation. Its multi-step agent capabilities let applications provide tools for retrieving information, processing documents, conducting deep research, and producing analytical reports. Multimodal understanding combines images, video, and text for chart analysis, screenshot question answering, etc.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers and professional users seeking an AI model for complex agentic workflows, long-running tasks, coding, and multi-step work requiring reliable instruction following

Audience

Developers, engineering teams, and knowledge-work organizations wanting to build multimodal AI agents for coding, research, analysis, and other complex multi-step tasks

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$1.25 per 1M tokens (input)
Input: $1.25 per 1M tokens
Output: $4.25 per 1M tokens
Free Version
Free Trial

Pricing

$0.04 per input
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • This feels like the version where Muse Spark becomes much more interesting for developers. The focus is not just “better chat,” but better coding, better agentic workflows, and more reliable long-running tasks. The biggest win is efficiency. Meta says Muse Spark 1.3 uses fewer tokens and fewer tool calls on coding tasks, which matters a lot if you are running agents repeatedly instead of asking one-off questions. I also like that it is available in both Muse Code and the Meta Model API. That gives developers a practical path whether they want a coding-agent experience or want to plug the model into their own workflows.

Cons

  • Have not found any downsides thus far. This model is a big leap for Meta

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Meta
Founded: 2004
United States
meta.ai/

Company Information

StepFun
Founded: 2023
United States
platform.stepfun.ai/docs/en/guides/models/step-5-preview

Alternatives

Alternatives

No Alternatives
GPT-5.6 Sol

GPT-5.6 Sol

OpenAI

Categories

Categories

Integrations

Hermes Agent
Model Context Protocol (MCP)
Odysseus
OpenClaw
Python
.NET
Alibaba Cloud
Alibaba Cloud Model Studio
Claude Agent SDK
Facebook Messenger
Kotlin
Meta AI
Muse Spark
Novita AI
Objective-C
OpenAI Codex
OpenCode
PHP
R
Rust

Integrations

Hermes Agent
Model Context Protocol (MCP)
Odysseus
OpenClaw
Python
.NET
Alibaba Cloud
Alibaba Cloud Model Studio
Claude Agent SDK
Facebook Messenger
Kotlin
Meta AI
Muse Spark
Novita AI
Objective-C
OpenAI Codex
OpenCode
PHP
R
Rust
Claim Muse Spark 1.3 and update features and information
Claim Muse Spark 1.3 and update features and information
Claim Step 5 Preview and update features and information
Claim Step 5 Preview and update features and information