BenchLeader

GLM 5.1 vs Muse Spark 1.1

Verdict
  • Muse Spark 1.1 leads on quality: 65.0 vs 60.2.
  • GLM 5.1 is stronger in human preference, maths.
  • Muse Spark 1.1 is stronger in agents & tools, coding, composite, instruction following, knowledge, long context, reasoning, multimodal.
  • They cost about the same ($2.00 per 1M blended).
  • Muse Spark 1.1 streams 3.0× faster (194 vs 65 tokens per second).
MetricGLM 5.1Muse Spark 1.1
BenchLeader Index60.265.0
Agents & tools score56.862.7
Coding score57.368.1
Composite score62.472.3
Human preference score66.666.3
Instruction following score73.977.8
Knowledge score56.673.2
Long context score63.365.4
Maths score53.052.2
Reasoning score61.469.2
Multimodal score65.0
Blended price $/M$2.15$2.00
Output speed65 tok/s194 tok/s
Time to first answer60.1 s2.6 s
Context window200k1.0M
GPQA Diamond89.9%
FrontierMath Tiers 1–336.8%
OTIS Mock AIME93.3%
SWE-bench Verified (Epoch)74.2%
SimpleQA Verified34.0%57.8%
SimpleBench55.1%
SciCode43.8%58.2%
WeirdML57.1%
APEX-Agents41.9%
ProofBench22.2%39.0%
Epoch Capabilities Index149.7154.6
LMArena Text14661492
LMArena Hard Prompts14891511
LMArena Coding15141531
LMArena WebDev15081541
LMArena Vision1293
LMArena Agent-2.6
AA Intelligence Index26.434.3
IFBench76.3%
AA-LCR73.7%77.7%
AA-Omniscience0.828.1
Terminal-Bench Hard43.2%
GPQA Diamond (AA)86.8%89.8%
Humanity's Last Exam (AA)30.1%46.2%
SciCode (AA)44.8%58.8%
τ²-Bench Telecom (AA)97.7%
AIME (Vals)91.9%
LiveCodeBench81.4%
MMLU-Pro86.9%
LegalBench84.4%
CorpFin64.5%
TaxEval71.2%
Terminal-Bench 2.1 (Vals)56.9%
SWE-bench (Vals)76.4%
GPQA Diamond (Vals)84.5%
AIME 202695.8%
HMMT February 202689.4%
MathArena Apex11.5%
SWE-Bench Pro61.5%
MCP Atlas75.6%88.1%
MultiChallenge75.3%
PRBench Finance55.0%
PRBench Legal57.0%
MultiNRC65.6%
EQ-Bench 41260

Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.

GLM 5.1 vs Muse Spark 1.1: questions

Is GLM 5.1 better than Muse Spark 1.1?
Muse Spark 1.1 leads on quality: 65.0 vs 60.2. The BenchLeader Index combines every independent quality benchmark; Muse Spark 1.1 is ahead overall as of 2026-09-10, but check the category scores for your use.
Is GLM 5.1 better than Muse Spark 1.1 for coding?
Muse Spark 1.1 scores higher in coding (68 vs 57 on the category index, where 50 is average).
Is GLM 5.1 better than Muse Spark 1.1 for agentic tasks?
Muse Spark 1.1 scores higher in agentic tasks (63 vs 57 on the category index, where 50 is average).
Which is cheaper, GLM 5.1 or Muse Spark 1.1?
Muse Spark 1.1 is cheaper: $2.00 against $2.15 per million tokens, blended at three input tokens per output token.
Which is faster, GLM 5.1 or Muse Spark 1.1?
Muse Spark 1.1 streams faster: 194 against 65 output tokens per second.
Which has the larger context window?
Muse Spark 1.1 accepts more context: 1.0M against 200k tokens.