Compare · ModelsLive · 2 picked · head to head

gpt-oss-120b (free) vs Muse Spark

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Muse Spark wins 3 of 3 shared benchmarks. Leads in speed.

Category leads
speed·Muse Spark
Hype vs Reality
gpt-oss-120b (free)
#22 by perf·no signal
QUIET
Muse Spark
#47 by perf·no signal
QUIET
Best value
gpt-oss-120b (free)
$0.00/M
Muse Spark
no price
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
U
Unknown
private · undisclosed
Unknown
Head to head
gpt-oss-120b (free)Muse Spark
Artificial Analysis · Agentic Index
Muse Spark leads by +24.1
Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?"
gpt-oss-120b (free)
37.9
Muse Spark
62.0
Artificial Analysis · Coding Index
Muse Spark leads by +18.8
Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads.
gpt-oss-120b (free)
28.6
Muse Spark
47.5
Artificial Analysis · Quality Index
Muse Spark leads by +18.9
gpt-oss-120b (free)
33.3
Muse Spark
52.1
Full benchmark table
Benchmarkgpt-oss-120b (free)Muse Spark
Artificial Analysis · Agentic Index
Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?"
37.962.0
Artificial Analysis · Coding Index
Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads.
28.647.5
Artificial Analysis · Quality Index
33.352.1
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logogpt-oss-120b (free)$0.00$0.00131K tokens (~66 books)
U
Muse Spark