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Compare AI models: Kimi K2.8 Preview vs Grok 4.6

  1. Kimi K2.8 PreviewMoonshotHollow points use fallbacks · hover for details
  2. Grok 4.6xAIHollow points use fallbacks · hover for details
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Kimi K2.8 Preview50/100 — Reasoning supported; no comparable benchmark50/100 — No data; neutral placeholder32/10092/10050/10050/100 — Tool calling supported; no comparable benchmark
Grok 4.650/100 — Reasoning supported; no comparable benchmark39/10026/10074/10033/10050/100 — Tool calling supported; no comparable benchmark
Overview
Author
Context length
1M
500K
Reasoning
True
True
Input modalities
Text, Image, Video
Text, Image
Output modalities
Text
Text
Providers
Pricing
Input
$1.00/ 1M
$2.00/ 1M
Output
$4.00/ 1M
$6.00/ 1M
Cached input
$0.25/ 1M
$0.50/ 1M
MomentumLast 2 mo
Unique users
0
40K
Completed sessions
1
94,647
Token share
0%
0%
Tokens
00%
37B-12%
No trend data
SEP 12NOV 6
RetentionWeek 1
Returning users
Pending
34.9%2.2K user-weeks

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