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Compare AI models: DeepSeek V4 Flash vs LongCat-2.5-Preview

  1. DeepSeek V4 FlashDeepSeek
  2. LongCat-2.5-PreviewMeituanHollow points use fallbacks · hover for details
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
DeepSeek V4 Flash26/10073/10067/10081/1000/1000/100
LongCat-2.5-Preview50/100 — Reasoning supported; no comparable benchmark50/100 — No data; neutral placeholder56/10081/10033/10050/100 — Tool calling supported; no comparable benchmark
Overview
Author
Context length
1M
1M
Reasoning
True
True
Input modalities
Text
Text, Image
Output modalities
Text
Text
Providers
Pricing
Input
$0.15/ 1M
$0.30/ 1M
Output
$0.60/ 1M
$1.20/ 1M
Cached input
$0.003/ 1M
$0.006/ 1M
MomentumLast 2 mo
Unique users
2.3M
264K
Completed sessions
29,529,473
15,067,892
Token share
10.3%
0.81%
Tokens
110T-57%
8.7T+100%
AUG 26OCT 20
AUG 26OCT 20
RetentionWeek 1
Returning users
67.1%194K user-weeks
63.8%1.7K user-weeks

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