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Claude Opus 4.1 vs Muse Spark 1.1

At a glance
AnthropicClaude Opus 4.1

High-capability model for complex reasoning and coding.

77200K ctx$15.00/$75.00 per M#38/92
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 Opus 4.1
Reasoning
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI76.5
Reasoning & Knowledge
Graduate Science73.2%Expert-Level—
Math
Competition Math40.0%Research Math5.9%
Coding
Real-World Coding73.3%
Agentic
Terminal Tasks38.0%Task Horizon1.7h
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%
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks80.0%Task Horizon—
Specs
AnthropicClaude Opus 4.1
200K
Context
32K
Max output
Aug 2025
Released
MetaMuse Spark 1.1
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
AnthropicClaude Opus 4.1
Vision
Audio
Reasoning
MetaMuse Spark 1.1
Vision
Audio
Reasoning
Pricing
AnthropicClaude Opus 4.1
Live pricing, shown before you run
Input$15.00/M tokens
Output$75.00/M tokens
Cache read$1.50/M tokens
Cache write$18.75/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 Opus 4.1Go to model
Chat with Muse Spark 1.1Go to model
Frequently Asked Questions: Claude Opus 4.1 vs Muse Spark 1.1▼

Which is better, Claude Opus 4.1 or Muse Spark 1.1?

▼

Both Claude Opus 4.1 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 Opus 4.1 or Muse Spark 1.1?

▼

Muse Spark 1.1 has a lower blended cost. Claude Opus 4.1: $15.00 input / $75.00 output. Muse Spark 1.1: $1.25 input / $4.25 output.

Which has a larger context window, Claude Opus 4.1 or Muse Spark 1.1?

▼

Muse Spark 1.1 has a larger context window: Claude Opus 4.1 supports 200K tokens vs Muse Spark 1.1 at 1M tokens.

Do both Claude Opus 4.1 and Muse Spark 1.1 support vision?

▼

Yes, both Claude Opus 4.1 and Muse Spark 1.1 support vision/image input.

What are the key differences between Claude Opus 4.1 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 Opus 4.1 and Muse Spark 1.1 for free on idapt.app to see which performs better for your specific needs.

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