Muse Spark 1.2vsGPT-4o mini

Muse Spark 1.2
GPT-4o mini
Specifications
Context window
1M
128k
Benchmarks
Nonsense detection
BullshitBench v2
2%
Agentic coding
DeepSWE 1.1
59.3%
Agentic terminal coding
Terminal-Bench 2.1
82.9%
Science
GPQA Diamond
40.2%
Overview
CompanyMetaOpenAI
Release dateAug 5 2026Jul 18 2024
AccessProprietaryProprietary

Which is better: Muse Spark 1.2 or GPT-4o mini?

Muse Spark 1.2 and GPT-4o mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4o mini shipped 748 days before Muse Spark 1.2, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Muse Spark 1.2) vs 128k (GPT-4o mini).

Direct benchmark comparisons are unavailable — Muse Spark 1.2 and GPT-4o mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Muse Spark 1.2 was released by Meta on Aug 5 2026.

GPT-4o mini was released by OpenAI on Jul 18 2024.

Muse Spark 1.2 has a 1M context window; GPT-4o mini has 128k.

Other comparisons