Muse Spark 1.2vsgpt-oss-120b
Muse Spark 1.2 | gpt-oss-120b | |
|---|---|---|
| Specifications | ||
Context window | 1M | — |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | — | 11% |
Agentic coding DeepSWE 1.1Artificial Analysis' independent test of deep, agentic software-engineering work — the AI has to plan and carry out substantial coding tasks end to end. (Version 1.1 of the test.) Higher is better. | 59.3% | — |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | 82.9% | — |
| Overview | ||
| Company | Meta | OpenAI |
| Release date | Aug 5 2026 | Aug 5 2025 |
| Access | Proprietary | Open Weight |
Which is better: Muse Spark 1.2 or gpt-oss-120b?
Muse Spark 1.2 and gpt-oss-120b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. gpt-oss-120b shipped 365 days before Muse Spark 1.2, so benchmark comparisons should account for the intervening progress.
Muse Spark 1.2 is proprietary, while gpt-oss-120b is open weight.
Direct benchmark comparisons are unavailable — Muse Spark 1.2 and gpt-oss-120b 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-oss-120b was released by OpenAI on Aug 5 2025.
Muse Spark 1.2 is a proprietary model released by Meta. gpt-oss-120b is an open weight model released by OpenAI.
Other comparisons
Muse Spark 1.2vsClaude Opus 5gpt-oss-120bvsClaude Opus 5Muse Spark 1.2vsGemini 3.6 Flashgpt-oss-120bvsGemini 3.6 FlashMuse Spark 1.2vsGrok 4.5gpt-oss-120bvsGrok 4.5Muse Spark 1.2vsDeepSeek-V4-Flash-0731gpt-oss-120bvsDeepSeek-V4-Flash-0731Muse Spark 1.2vsMistral Medium 3.5gpt-oss-120bvsMistral Medium 3.5Muse Spark 1.2vsKimi K3gpt-oss-120bvsKimi K3