Head-to-head
GPT-5.4 Pro vs Muse Spark 1.3
As of October 26, 2026, Muse Spark 1.3 leads GPT-5.4 Pro on the Analyzer Index, 89.3 to 81.8.
Normalized scores are min-maxed per benchmark across all models we track (0–100). Open the interactive compare view to add benchmarks to the radar chart or pull in more models.
GPT-5.4 Pro
OpenAIMuse Spark 1.3
Meta| At a glance | GPT-5.4 Pro | Muse Spark 1.3 |
|---|---|---|
| Analyzer Index | 81.8 (5/13) | 89.3 (4/13) |
| Blended price | $33.75/M | $2.00/M |
| Cheapest host | maker's API | maker's API |
| Context | 1.1M | 1.0M |
| Output speed | — | 168 tok/s |
| Time to first token | — | 3.43 s |
| Benchmark | GPT-5.4 Pro | Muse Spark 1.3 |
|---|---|---|
Chatbot Arena Elo Arena | — | |
Output Speed Speed | — | |
Time to First Token TTFT | — | |
Rolling Contamination-Controlled Average Rolling Avg | — | |
Rolling Data Analysis Data Analysis | — | |
FrontierMath Tiers 1-3 FrontierMath | — | |
SimpleQA Verified SimpleQA | — | |
OTIS Mock AIME 2024-2025 OTIS AIME | — | |
Humanity's Last Exam HLE | — | |
ARC-AGI 2 ARC-AGI 2 | — | |
Frontier Composite Frontier |
Methodology matches the main AI Model Analyzer About page.