Muse Spark Open (Xhigh)
Meta • text#71 of 668 in intelligence
Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers...
Specifications
Context Window
1.0M tokens
Input Price/1M
$1.25
#582 of 806
Output Price/1M
$4.25
Parameters
—
Speed
102 tok/s
#190 of 651
Latency (TTFT)
670ms
Max Output
944K tokens
Cost per Task
19.4
AA Score / US$ · higher = better
Benchmarks
Muse Spark Open (Xhigh) results on the main AI model evaluation benchmarks. Higher scores indicate better performance.
overall
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| AA Intelligence Index | 38.9 | 100.0 | Artificial Analysis official API |
Information
- Release date
- October 15, 2026
- Tool Calling
- ✅ Supported
- Vision
- ✅ Supported
- Audio
- ✅ Supported
Full Analysis: Muse Spark Open (Xhigh)
What is Muse Spark Open (Xhigh)?
Muse Spark Open (Xhigh) is an AI model developed by Meta, classified as a text model. It focuses on text processing and natural language generation. As a proprietary model, it is available via Meta's cloud API. With a context window of 1.0M tokens, it is suitable for processing long documents such as contracts, books, and complete codebases.
Pricing & Costs in 2026
Muse Spark Open (Xhigh) is usage-based, priced at $1.25/1M input tokens and $4.25/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. The mid-range pricing balances quality and cost for most professional applications.
Benchmarks & Performance
Muse Spark Open (Xhigh) was evaluated on 1 different benchmarks, covering categories like overall. Results show moderate performance across available evaluations.
It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.
Recommended Use Cases
Muse Spark Open (Xhigh) specializes in text, offering advanced capabilities for creating and processing text content.
Comparison with Alternatives
In the 2026 AI model ecosystem, Muse Spark Open (Xhigh) competes directly with similarly capable models. As an open source model, it competes with Qwen (Alibaba), Mistral, and DeepSeek, as well as proprietary models like GPT, Claude, and Gemini. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.
For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.
Frequently Asked Questions
What is Muse Spark Open (Xhigh)?
Muse Spark Open (Xhigh) is an AI model developed by Meta. It is a text model.
How much does Muse Spark Open (Xhigh) cost?
Muse Spark Open (Xhigh) costs $1.25/1M input tokens and $4.25/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.
How does Muse Spark Open (Xhigh) compare with other models?
In available benchmarks, Muse Spark Open (Xhigh) scored: AA Intelligence Index: 38.9/100. See the full table above for a detailed comparison.
Is Muse Spark Open (Xhigh) open source?
No, Muse Spark Open (Xhigh) is a proprietary model from Meta. It is available via cloud API. For open source alternatives, check our open source model ranking.
What is Muse Spark Open (Xhigh) best for?
Muse Spark Open (Xhigh) excels at multimodal tasks including text and vision. With its large context window, it handles long documents, codebases, and extended conversations. It supports tool calling for API integrations and automation.
Last updated: October 16, 2026 • View methodology →