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Meta: Muse Spark Open

meta · Muse Spark

Input Price $1.25 per million tokens NT$40.0
Output Price $4.25 per million tokens NT$136
Context Window 1.05M tokens Output limit: 944K
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Overview

Meta: Muse Spark Open is a large language model API from meta, part of its Muse Spark model family. Priced at $1.25 per million input tokens and $4.25 per million output tokens, it occupies the mid-range, balancing capability against running cost. Output tokens cost about 3× as much as input, so prompt-heavy workloads run noticeably cheaper than generation-heavy ones. An exceptionally large 1.05M-token context window (≈1,573 pages of text) means entire repositories or document collections can be processed without chunking. Beyond plain text it also accepts Image, Video, File, Audio input, so it can be applied to multimodal tasks rather than text alone. On Artificial Analysis's Intelligence Index it scores 39 (B grade), a useful proxy for its general reasoning strength relative to the other models tracked here. All prices on this page reflect OpenRouter's routed rates and are re-synced automatically every day; confirm against the provider's official pricing before committing to production.

Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $1.25 NT$40.0
Output per 1M tokens $4.25 NT$136
Cached Input per 1M tokens $0.150 NT$4.8

Provider
meta
Model Family
Muse Spark
Version String
meta/muse-spark-open
Status
Active
Modality
Text, Image, Video, File, Audio
Context Window
1,048,576 tokens
Output Limit
943,718 tokens

Index Metrics

Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis

Intelligence Index 39 B Measured: 2026-10-16

Benchmark Scores

Data source: Artificial Analysis

AA-LCR 78.3% A Measured: 2026-10-16
GPQA Diamond 89.0% S Measured: 2026-10-16
HLE 43.9% S Measured: 2026-10-16
MMMU Pro 80.9% A Measured: 2026-10-16
Non-Hallucination 75.9% Measured: 2026-10-16
Omniscience Accuracy 39.3% Measured: 2026-10-16
SciCode 58.5% A Measured: 2026-10-16

Performance Metrics

Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis

First Token Latency 0.7s Measured: 2026-10-16
Output Speed 103 t/s Measured: 2026-10-16
Response Time 24.9s Measured: 2026-10-16

90-Day Price Trend

Input / Output price (USD per 1M tokens)

Past 90 days of records; every price change is shown here

Date Dimension Price (USD) Source
Cached Input $0.150 OpenRouter
Output $4.25 OpenRouter
Input $1.25 OpenRouter
Output $4.25 OpenRouter
Input $1.25 OpenRouter
Output $4.25 OpenRouter
Input $1.25 OpenRouter

Key Insights

Key data points from this page for quick reference and citation.

  • Meta: Muse Spark Open Input price: $1.25/M tokens
  • Meta: Muse Spark Open Output price: $4.25/M tokens
  • Context window: 1,048,576 tokens
  • Provider: meta
  • Model family: Muse Spark
  • Modalities: Text, Image, Video, File, Audio
  • Data source: OpenRouter, updated daily