Model Comparison

Claude Opus 4.6 vs Muse Spark

Claude Opus 4.6 shows notably better performance in the majority of benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

10 benchmarks

Claude Opus 4.6 outperforms in 7 benchmarks (ARC-AGI v2, DeepSearchQA, GDPval-AA, GPQA, SWE-Bench Verified, Tau2 Telecom, Terminal-Bench 2.0), while Muse Spark is better at 3 benchmarks (CharXiv-R, Humanity's Last Exam, MMMU-Pro).

Claude Opus 4.6 shows notably better performance in the majority of benchmarks.

Thu Apr 09 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Thu Apr 09 2026 • llm-stats.com
Anthropic
Claude Opus 4.6
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Meta
Muse Spark
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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Context Window

Maximum input and output token capacity

Only Claude Opus 4.6 specifies input context (1,000,000 tokens). Only Claude Opus 4.6 specifies output context (128,000 tokens).

Anthropic
Claude Opus 4.6
Input1,000,000 tokens
Output128,000 tokens
Meta
Muse Spark
Input- tokens
Output- tokens
Thu Apr 09 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.6 and Muse Spark support multimodal inputs.

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

Claude Opus 4.6

Text
Images
Audio
Video

Muse Spark

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.

Claude Opus 4.6

Proprietary

Closed source

Muse Spark

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4.6 was released on 2026-02-05, while Muse Spark was released on 2026-04-08.

Muse Spark is 2 months newer than Claude Opus 4.6.

Claude Opus 4.6

Feb 5, 2026

2 months ago

Muse Spark

Apr 8, 2026

1 days ago

2mo newer

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

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Key Takeaways

Anthropic
Larger context window (1,000,000 tokens)
Higher ARC-AGI v2 score (68.8% vs 42.5%)
Higher DeepSearchQA score (91.3% vs 74.8%)
Higher GDPval-AA score (53.5% vs 48.1%)
Higher GPQA score (91.3% vs 89.5%)
Higher SWE-Bench Verified score (80.8% vs 77.4%)
Higher Tau2 Telecom score (99.3% vs 91.5%)
Higher Terminal-Bench 2.0 score (65.4% vs 59.0%)
Meta
Higher CharXiv-R score (86.4% vs 77.4%)
Higher Humanity's Last Exam score (58.4% vs 53.1%)
Higher MMMU-Pro score (80.4% vs 77.3%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.6
Meta
Muse Spark

FAQ

Common questions about Claude Opus 4.6 vs Muse Spark

Claude Opus 4.6 shows notably better performance in the majority of benchmarks. Claude Opus 4.6 is made by Anthropic and Muse Spark is made by Meta. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Opus 4.6 scores Vending-Bench 2: 100.0%, AIME 2025: 99.8%, Tau2 Telecom: 99.3%, Graphwalks parents >128k: 95.4%, MRCR v2 (8-needle): 93.0%. Muse Spark scores Tau2 Telecom: 91.5%, GPQA: 89.5%, CharXiv-R: 86.4%, ScreenSpot Pro: 84.1%, IPhO 2025: 82.6%.
Claude Opus 4.6 supports 1.0M tokens and Muse Spark supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Claude Opus 4.6 is developed by Anthropic and Muse Spark is developed by Meta.