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Compare AI models: Kimi K3 vs Step 5 Preview

  1. Kimi K3MoonshotHollow points use fallbacks · hover for details
  2. Step 5 PreviewStepFunHollow points use fallbacks · hover for details
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Kimi K3100/100100/10026/10092/10050/10050/100 — Tool calling supported; no comparable benchmark
Step 5 Preview50/100 — Reasoning supported; no comparable benchmark50/100 — No data; neutral placeholder36/10081/10050/10050/100 — Tool calling supported; no comparable benchmark
Overview
Author
Context length
1M
1M
Reasoning
True
True
Input modalities
Text, Image, Video
Text, Image, Video
Output modalities
Text
Text
Providers
Pricing
Input
$1.20/ 1M
$1.00/ 1M
Output
$5.50/ 1M
$2.70/ 1M
Cached input
$0.20/ 1M
$0.05/ 1M
MomentumLast 2 mo
Unique users
243K
116K
Completed sessions
775,171
2,643,106
Token share
0.05%
0.61%
Tokens
553B-69%
7.2T+100%
SEP 1OCT 26
SEP 1OCT 26
RetentionWeek 1
Returning users
40.4%18K user-weeks
58.8%2.1K user-weeks

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