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Compare AI models: Gemini 4 Argon vs GPT-5.6 Luna

  1. Gemini 4 ArgonGoogleHollow points use fallbacks · hover for details
  2. GPT-5.6 LunaOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Gemini 4 Argon50/100 — Reasoning supported; no comparable benchmark50/100 — No data; neutral placeholder18/10092/10083/10050/100 — Tool calling supported; no comparable benchmark
GPT-5.6 Luna69/10081/10060/10098/10050/10064/100
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text, Image, Video, Audio, Pdf
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$2.00/ 1M
$0.20/ 1M
Output
$10/ 1M
$1.20/ 1M
Cached input
Unknown
$0.02/ 1M
MomentumLast 2 mo
Unique users
72K
254K
Completed sessions
285,834
1,666,295
Token share
0.03%
0.13%
Tokens
414B+100%
1.7T-74%
SEP 15NOV 9
SEP 15NOV 9
RetentionWeek 1
Returning users
64.9%1.9K user-weeks
50%19K user-weeks

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