Muse Spark 1.2 vs Seed 2.1 Turbo

Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.

Specs & pricing

Muse Spark 1.2Seed 2.1 Turbo
CompanyMeta AIByteDance
ReleasedAug 2026Aug 2026
Context window1.0M262K
Input /1M tokens$1.25$0.5
Output /1M tokens$4.25$2.5
Open weightsNoNo

Benchmarks

BenchmarkMuse Spark 1.2Seed 2.1 Turbo
GPQA90.4%
Hallucination Rate (lower is better)33.3%

Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.