Skip to main content
idapt
HomeAI ModelsPricing
Sign inStart free

Claude Sonnet 4.5 vs Muse Spark 1.1

At a glance
AnthropicClaude Sonnet 4.5

High-performance model for real-world agents and coding.

791M ctx$3.00/$15.00 per M#28/92
MetaMuse Spark 1.1

Meta's multimodal reasoning model built for agentic work and real-world coding.

1.0M ctx$1.25/$4.25 per M
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
AnthropicClaude Sonnet 4.5
Reasoning
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI78.9
Reasoning & Knowledge
Graduate Science73.7%Expert-Level—Factual Recall13.0%
Math
Competition Math35.6%Research Math9.3%
Coding
Real-World Coding71.3%
Agentic
Terminal Tasks42.8%Novel Reasoning3.8%
MetaMuse Spark 1.1
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-16
Cheaper
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Expert-Level52.2%Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks80.0%Novel Reasoning—
Specs
AnthropicClaude Sonnet 4.5
1M
Context
64K
Max output
Sep 2025
Released
MetaMuse Spark 1.1
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
AnthropicClaude Sonnet 4.5
Vision
Audio
Reasoning
MetaMuse Spark 1.1
Vision
Audio
Reasoning
Pricing
AnthropicClaude Sonnet 4.5
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Cache write$3.75/M tokens
Web search$0.01/search
MetaMuse Spark 1.1
Live pricing, shown before you run
Input$1.25/M tokens
Output$4.25/M tokens
Cache read$0.15/M tokens
Web search$0.003/search
Chat with Claude Sonnet 4.5Go to model
Chat with Muse Spark 1.1Go to model
Frequently Asked Questions: Claude Sonnet 4.5 vs Muse Spark 1.1▼

Which is better, Claude Sonnet 4.5 or Muse Spark 1.1?

▼

Both Claude Sonnet 4.5 and Muse Spark 1.1 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Claude Sonnet 4.5 or Muse Spark 1.1?

▼

Muse Spark 1.1 has a lower blended cost. Claude Sonnet 4.5: $3.00 input / $15.00 output. Muse Spark 1.1: $1.25 input / $4.25 output.

Which has a larger context window, Claude Sonnet 4.5 or Muse Spark 1.1?

▼

Muse Spark 1.1 has a larger context window: Claude Sonnet 4.5 supports 1M tokens vs Muse Spark 1.1 at 1M tokens.

Do both Claude Sonnet 4.5 and Muse Spark 1.1 support vision?

▼

Yes, both Claude Sonnet 4.5 and Muse Spark 1.1 support vision/image input.

What are the key differences between Claude Sonnet 4.5 and Muse Spark 1.1?

▼

Key differences: Muse Spark 1.1 is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Sonnet 4.5 and Muse Spark 1.1 for free on idapt.app to see which performs better for your specific needs.

Open in App
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Voice Mode
  • Voice HUD
  • Web Search
  • Image Generation
  • Video Generation
  • Audio Generation
  • Transcription
  • Drive
  • Secrets
  • Sharing
  • Workspaces
  • Tasks
  • Memory
  • Agents
  • Subagents
  • Automations
  • Skills
  • Code Execution
  • Computers
  • Computer Use
  • Cloud Computers
  • Local AI
  • AI Gateway
  • API & SDK
  • CLI
  • MCP
  • Tunnels
  • All features →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Learn
  • Free tools
  • Prompts
  • Templates
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)