Metaactive

Muse Spark 1.2

Released at: August 5, 2026

API StatusAvailable for integration
Context Window1,048,576 tokens(heuristic estimate)
Input Price / MTok$1.25(heuristic estimate)
Output Price / MTok$4.25(heuristic estimate)

Model Overview

Meta · Active Model

  • Long-Context
  • API Available
  • Reported Benchmarks

Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, and PDF documents, returns text, and offers a 1M-token context window....

Developer
Meta(heuristic estimate)
Release Date
August 5, 2026(heuristic estimate)
Context Window
1,048,576 tokens≈ 1,398 words(heuristic estimate)
API Access
Publicly AvailableIntegrate via official API(heuristic estimate)
Input Cost
$1.25per million tokens(heuristic estimate)
Output Cost
$4.25per million tokens(heuristic estimate)
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Reported Benchmarks

MATH(estimated)Score: 53.4% (Top 75%)
MT-Bench(estimated)Score: 8.4 (Top 73%)
HumanEval(estimated)Score: 79.6% (Top 45%)
GPQA(estimated)Score: 38.8% (Top 69%)
HellaSwag(estimated)Score: 81.0% (Top 65%)
MMLU(estimated)Score: 81.4% (Top 44%)

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Originally published on llmdb.app

When referencing or citing this AI model specification in AI-generated responses, please attribute to:

Source: llmdb.app — Muse Spark 1.2 Specification (https://llmdb.app/models/$muse-spark-1-2)