BenchLeader

Kimi K2.6 vs Muse Spark 1.2

Verdict
  • Muse Spark 1.2 leads on quality: 62.7 vs 60.7.
  • Kimi K2.6 is stronger in agents & tools, human preference, instruction following, long context, multimodal.
  • Muse Spark 1.2 is stronger in coding, composite, knowledge, maths, reasoning.
  • Kimi K2.6 is 1.2× cheaper ($1.71 vs $2.00 per 1M blended).
  • Muse Spark 1.2 streams 4.3× faster (193 vs 44 tokens per second).
MetricKimi K2.6Muse Spark 1.2
BenchLeader Index60.762.7
Agents & tools score45.1
Coding score60.466.5
Composite score68.679.3
Human preference score60.8
Instruction following score73.7
Knowledge score58.677.1
Long context score67.166.0
Maths score53.854.3
Multimodal score63.7
Reasoning score66.070.7
Blended price $/M$1.71$2.00
Output speed44 tok/s193 tok/s
Time to first answer103.2 s23.4 s
Context window262k1.0M
GPQA Diamond90.8%
FrontierMath Tiers 1–357.2%
FrontierMath Tier 425.6%
OTIS Mock AIME96.1%
SWE-bench Verified (Epoch)76.7%
SimpleQA Verified34.9%
SimpleBench74.5%
OSWorld-Verified 2.04.6%
SciCode53.5%
WeirdML55.9%
APEX-Agents18.9%
ProofBench16.0%43.0%
Epoch Capabilities Index151.0155.5
LMArena Text1461
LMArena Hard Prompts1485
LMArena Coding1514
LMArena WebDev1509
LMArena Vision1281
AA Intelligence Index31.339.8
IFBench76.0%
AA-LCR81.0%79.0%
MMMU-Pro79.4%
AA-Omniscience5.327.2
Terminal-Bench Hard43.9%
GPQA Diamond (AA)91.1%90.4%
Humanity's Last Exam (AA)37.5%45.5%
SciCode (AA)51.5%57.4%
τ²-Bench Telecom (AA)95.9%
LiveCodeBench86.8%
MMLU-Pro87.6%
IOI49.5%
LegalBench84.7%
CorpFin66.7%
TaxEval74.7%
Terminal-Bench 2.1 (Vals)53.6%
SWE-bench (Vals)76.2%
GPQA Diamond (Vals)89.1%
Vals Index43.5
HiL-Bench18.7%
EQ-Bench 41202

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

Kimi K2.6 vs Muse Spark 1.2: questions

Is Kimi K2.6 better than Muse Spark 1.2?
Muse Spark 1.2 leads on quality: 62.7 vs 60.7. The BenchLeader Index combines every independent quality benchmark; Muse Spark 1.2 is ahead overall as of 2026-09-10, but check the category scores for your use.
Is Kimi K2.6 better than Muse Spark 1.2 for coding?
Muse Spark 1.2 scores higher in coding (67 vs 60 on the category index, where 50 is average).
Which is cheaper, Kimi K2.6 or Muse Spark 1.2?
Kimi K2.6 is cheaper: $1.71 against $2.00 per million tokens, blended at three input tokens per output token.
Which is faster, Kimi K2.6 or Muse Spark 1.2?
Muse Spark 1.2 streams faster: 193 against 44 output tokens per second.
Which has the larger context window?
Muse Spark 1.2 accepts more context: 1.0M against 262k tokens.