Model Comparison

Muse Spark 1.1 vs Claude Opus 4.7Which is better in 2026?

Muse Spark 1.1 shows notably better performance in the majority of benchmarks.

Verdict: Muse Spark 1.1 vs Claude Opus 4.7 — which is better?

Muse Spark 1.1 (by Meta) and Claude Opus 4.7 (by Anthropic) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Muse Spark 1.1 outperforms in 4 benchmarks (Finance Agent v2, Humanity's Last Exam, MCP Atlas, OSWorld-Verified), while Claude Opus 4.7 is better at 2 benchmarks (CharXiv-R, SWE-Bench Pro). Muse Spark 1.1 shows notably better performance in the majority of benchmarks.

Choose Muse Spark 1.1 if…

  • you want the strongest raw capability — it leads on 4 of 6 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Choose Claude Opus 4.7 if…

  • you want predictable pricing at $5.00/M input and $25.00/M output

Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Muse Spark 1.1 outperforms in 4 benchmarks (Finance Agent v2, Humanity's Last Exam, MCP Atlas, OSWorld-Verified), while Claude Opus 4.7 is better at 2 benchmarks (CharXiv-R, SWE-Bench Pro).

Muse Spark 1.1 shows notably better performance in the majority of benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Opus 4.7 specifies input context (1,000,000 tokens). Only Claude Opus 4.7 specifies output context (128,000 tokens).

Meta
Muse Spark 1.1
Input- tokens
Output- tokens
Anthropic
Claude Opus 4.7
Input1,000,000 tokens
Output128,000 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Muse Spark 1.1 and Claude Opus 4.7 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Muse Spark 1.1

Text
Images
Audio
Video

Claude Opus 4.7

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Muse Spark 1.1

Proprietary

Closed source

Claude Opus 4.7

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Spark 1.1 was released on 2026-07-09, while Claude Opus 4.7 was released on 2026-04-16.

Muse Spark 1.1 is 3 months newer than Claude Opus 4.7.

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

2mo newer
Claude Opus 4.7

Apr 16, 2026

3 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Higher Finance Agent v2 score (57.2% vs 51.5%)
Higher Humanity's Last Exam score (62.1% vs 54.7%)
Higher MCP Atlas score (88.1% vs 77.3%)
Higher OSWorld-Verified score (80.8% vs 78.0%)
Larger context window (1,000,000 tokens)
Higher CharXiv-R score (91.0% vs 88.4%)
Higher SWE-Bench Pro score (64.3% vs 61.5%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Muse Spark 1.1 and Claude Opus 4.7 side-by-side, then vote on the output you prefer.

Muse Spark 1.1
✓ Preferred
Claude Opus 4.7
Open in Playground
AI Model Comparison Table
Feature
Meta
Muse Spark 1.1
Anthropic
Claude Opus 4.7

FAQ

Common questions about Muse Spark 1.1 vs Claude Opus 4.7.

Which is better, Muse Spark 1.1 or Claude Opus 4.7?

Muse Spark 1.1 shows notably better performance in the majority of benchmarks. Muse Spark 1.1 is made by Meta and Claude Opus 4.7 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Muse Spark 1.1 compare to Claude Opus 4.7 in benchmarks?

Muse Spark 1.1 scores CharXiv-R: 88.4%, MCP Atlas: 88.1%, OSWorld-Verified: 80.8%, Terminal-Bench 2.1: 80.0%, BabyVision: 76.3%. Claude Opus 4.7 scores GPQA: 94.2%, MMMLU: 91.5%, CharXiv-R: 91.0%, SWE-Bench Verified: 87.6%, BrowseComp: 79.3%.

What are the context window sizes for Muse Spark 1.1 and Claude Opus 4.7?

Muse Spark 1.1 supports an unknown number of tokens and Claude Opus 4.7 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Muse Spark 1.1 and Claude Opus 4.7?

Muse Spark 1.1 is developed by Meta and Claude Opus 4.7 is developed by Anthropic.