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Compare AI models: Muse Spark 1.3 Contributor vs GPT-5.3 Codex Spark

  1. Muse Spark 1.3 ContributorMeta
  2. GPT-5.3 Codex SparkOpenAIHollow points use fallbacks · hover for details
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Muse Spark 1.3 Contributor100/10090/10080/10092/10083/100100/100
GPT-5.3 Codex Spark50/100 — Reasoning supported; no comparable benchmark50/100 — No data; neutral placeholder100/10024/10050/10050/100 — Tool calling supported; no comparable benchmark
Overview
Author
Context length
1M
128K
Reasoning
True
True
Input modalities
Text, Image, Video, Pdf, Audio
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$0.10/ 1M
$0.00/ 1M
Output
$0.20/ 1M
$0.00/ 1M
Cached input
$0.002/ 1M
Unknown
MomentumLast 2 mo
Unique users
1.5M
0
Completed sessions
367,090,602
7
Token share
19.4%
0%
Tokens
239T+2,966%
00%
SEP 5OCT 30
No trend data
RetentionWeek 1
Returning users
69.3%57K user-weeks
Pending

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