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What is Muse Spark 1.1?

Muse Spark 1.1 is an advanced multimodal reasoning model from Meta Superintelligence Labs built for agentic work, coding, computer use, tool calling, and multimodal understanding. It is a major upgrade from Muse Spark and is designed to push the performance-efficiency frontier for AI systems that need to plan, reason, act, and coordinate across complex workflows. The model can operate across external apps, native tools, MCP servers, custom skills, browsers, scripts, images, videos, PDFs, audio, and developer environments. Muse Spark 1.1 is especially strong in agentic orchestration, where it can gather context, make plans, delegate work to parallel subagents, and manage execution across multiple steps. As a subagent, it can follow a defined role, use available tools appropriately, and escalate back to a main agent when needed. Its 1 million token context window helps it remember past actions, retrieve information from earlier in a project, and compact long sessions while keeping important details available for later work. For computer-use tasks, Muse Spark 1.1 can navigate unfamiliar interfaces, adapt to changing requirements, and choose whether to click through an interface or write scripts when automation is faster. In software engineering, the model can diagnose complex bugs, implement new features, perform large code migrations, build web applications, inspect screenshots, trace issues to code, and validate fixes. Its multimodal capabilities allow it to inspect visual and audio information, generate detailed image and video captions, create visual-to-code artifacts, and combine perception with action in practical workflows. Developers can access Muse Spark 1.1 through Meta’s new Model API public preview, and everyday users can try it in Thinking mode in the Meta AI app.

What is Grok 4.5?

Grok 4.5 is an advanced AI model from xAI designed to deliver high performance across coding, agentic tasks, engineering work, and professional knowledge workflows. It is positioned as xAI’s strongest model for users who need an assistant that can reason through complex technical problems, build applications, complete software engineering tasks, and support business productivity. The model was trained on broad datasets covering coding, science, engineering, and math, with additional emphasis on data quality, filtering, deduplication, and domain-focused selection. Grok 4.5 also uses reinforcement learning across large numbers of multi-step tasks, helping it perform better on real engineering work and long-running agentic rollouts. Developers can use it to debug code, generate applications, solve programming challenges, plan software architecture, and complete technical workflows that require more than simple text generation. It is capable of building polished applications from minimal prompts, including interactive simulations, functional interfaces, and production-oriented app concepts. Grok 4.5 is also designed for office work, with capabilities for creating Excel models, researching from the web, building multi-sheet formulas, drafting Word documents, and designing PowerPoint presentations with native shapes and structured slide layouts. The model is served at fast speeds while maintaining strong token efficiency, helping users receive capable answers with fewer steps and reduced output volume. Its pricing is designed to support developer and business use cases, with API access available for teams that want to build Grok 4.5 into their own products or workflows. Grok 4.5 is available in Grok Build, Cursor, and the xAI API console, giving users multiple ways to experiment, build, and deploy with the model.

Media

Media

Integrations Supported

Hermes Agent
OpenClaw
Claude Agent SDK
Claude Code
Codex CLI
Continue
Convex
Facebook
Facebook Messenger
Gray Swan
Instagram
LangChain
Muse Image
Muse Video
Odysseus
OpenAI Codex
OpenCode
SuperGrok
Vercel AI SDK
WhatsApp

Integrations Supported

Hermes Agent
OpenClaw
Claude Agent SDK
Claude Code
Codex CLI
Continue
Convex
Facebook
Facebook Messenger
Gray Swan
Instagram
LangChain
Muse Image
Muse Video
Odysseus
OpenAI Codex
OpenCode
SuperGrok
Vercel AI SDK
WhatsApp

API Availability

Has API

API Availability

Has API

Pricing Information

$1.25 per 1M tokens (input)
Free Trial Offered?
Free Version

Pricing Information

$2 per million input tokens
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Meta

Date Founded

2004

Company Location

United States

Company Website

meta.ai

Company Facts

Organization Name

xAI

Date Founded

2023

Company Location

United States

Company Website

grok.com

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