Kimi K3.1 Pro vs Muse Spark 1.3

Change models
Kimi K3.1 ProMoonshot AISmartest open
IndexAll categories, out of 100.
75.7 ±4.7 best
70.1 ±4.0
GapIndex points below the top.
Top
−5.6 · no clear gap
CoverageIndex weight that has results.
80%
85% best
SpeedOutput tokens per second.
43/s
76/s best
EloLMArena rating and rank.
—
1491
ReleasedMonth of release.
2026-10
2026-09
Input / 1MUS dollars per 1M input tokens.
$2.00
$1.25 best
Output / 1MUS dollars per 1M output tokens.
$10.00
$4.25 best
Batch output / 1MBatch price per 1M output tokens.
$6.00
—
1K chats2K tokens in, 500 out, each.
$9.00
$4.63 best
1K documents20K tokens in, 1K out, each.
$50.00
$29.25 best
1K agent tasks200K tokens in, 20K out, each.
$600.00
$335.00 best
ContextMaximum tokens in one request.
1.05M
1.05M
AgenticMulti-step tasks with tools.
76.7 best
70.4
CodingCode writing and repair.
71.9 best
68.8
ReasoningLogic problems and puzzles.
77.7 best
68.1
MultimodalTasks with images and text.
72.0
—
KnowledgeFacts and expert knowledge.
71.0 best
67.5
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
—
84.4
MathMath problems.
—
68.6

Benchmarks

10 shared
Only Kimi K3.1 Pro: 53Only Muse Spark 1.3: 49
Kimi K3.1 Pro
Muse Spark 1.3
52.5% best11 / 222
48.7%15 / 222
86.3% best3 / 217
83.0%18 / 217
24.6%22 / 214
24.9% best21 / 214
48.9% best23 / 164
43.6%41 / 164
67.3% best3 / 133
59.0%10 / 133
60.8% best9 / 114
58.8%14 / 114
DeepSWEAgentic
75.5% best5 / 59
75.4%6 / 59
2.0% best15 / 48
0.0%23 / 48
36.0% best11 / 25
32.2%12 / 25
79.6% best1 / 25
66.9%5 / 25