Claude Opus 4.6 (Adaptive) vs Muse Spark

Change models
IndexAll categories, out of 100.
60.0 ±4.7 best
59.8 ±3.5
GapIndex points below the top.
Top
−0.2 · no clear gap
CoverageIndex weight that has results.
95%
95%
SpeedOutput tokens per second.
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EloLMArena rating and rank.
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1474
ReleasedMonth of release.
2026-02
2026-04
Input / 1MUS dollars per 1M input tokens.
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Output / 1MUS dollars per 1M output tokens.
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1K chats2K tokens in, 500 out, each.
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1K documents20K tokens in, 1K out, each.
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1K agent tasks200K tokens in, 20K out, each.
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ContextMaximum tokens in one request.
1M best
262K
AgenticMulti-step tasks with tools.
63.5 best
55.9
CodingCode writing and repair.
60.0 best
53.3
ReasoningLogic problems and puzzles.
61.0 best
59.8
MultimodalTasks with images and text.
58.8
63.0 best
KnowledgeFacts and expert knowledge.
62.6
67.8 best
MultilingualTasks in many languages.
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InstructionTasks with strict prompt rules.
38.6
60.0 best
MathMath problems.
57.3
60.2 best

Benchmarks

22 shared
Only Claude Opus 4.6 (Adaptive): 5Only Muse Spark: 25
Claude Opus 4.6 (Adaptive)
Muse Spark
39.9%47 / 222
40.7% best45 / 222
78.0%70 / 217
78.0%70 / 217
12.6% best56 / 214
11.3%60 / 214
89.6% best41 / 199
88.4%51 / 199
47.0%30 / 164
49.6% best21 / 164
85.3% best22 / 149
84.2%37 / 149
92.1% best35 / 149
91.5%38 / 149
53.1%76 / 146
75.9% best16 / 146
TaxEval v2Finance
76.0%8 / 143
77.7% best3 / 143
89.6%28 / 135
89.6%28 / 135
MMLU ProKnowledge
89.1% best15 / 135
87.3%29 / 135
CorpFin v2Finance
67.0% best13 / 131
65.1%32 / 131
53.5% best63 / 123
19.7%92 / 123
75.4%49 / 113
80.5% best18 / 113
MedScribeHealthcare
86.1% best24 / 109
85.9%25 / 109
MedCodeHealthcare
49.1%26 / 106
51.3% best16 / 106
AIMEMath
95.6%8 / 95
96.9% best2 / 95
MMMU ProMultimodal
83.9%28 / 92
87.4% best16 / 92
SWE-benchCoding
78.2% best30 / 87
74.4%48 / 87
58.4%10 / 66
59.6% best7 / 66