Model Comparison
GPT 4.5 vs Muse Spark 1.3
GPT 4.5 ranks #157 on the AI IQ leaderboard with an estimated IQ of 83, while Muse Spark 1.3 ranks #14 on the AI IQ leaderboard with an estimated IQ of 129. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.
Where They Sit on the IQ Bell Curve
Both models highlighted on the standard normal IQ distribution of every tracked model
| GPT 4.5OpenAI | Muse Spark 1.3Meta | |
|---|---|---|
| Rank | #157 | #14 |
| IQ | 83 | 129 |
| Abstract Reasoning | 71 | 103 |
| Mathematical Reasoning | 70 | 135 |
| Academic Reasoning | 119 | 134 |
| Programmatic Reasoning | 78 | 139 |
| Computer Use | 70 | 131 |
| Reliability | 84 | 127 |
| Knowledge Work | 84 | 131 |
| Emotional Reasoning | — | — |
| Effective Cost / 1M Tokens | — | $8.16 |
| Sticker Price / 1M I/O Tokens | — | $5.50 |
| Speed | — | 188 tok/s |
| Context Window | 128K | 1M |
| Released | 2025-02-27 | 2026-09-02 |
| Open Weights | No | No |
More comparisons
- GPT 4.5 vs Deepseek V4 Pro
- GPT 4.5 vs Fable 5.1
- GPT 4.5 vs Gemini 4 Argon
- GPT 4.5 vs Glm 5.3
- GPT 4.5 vs GPT 6 Astra
- GPT 4.5 vs Grok 4.7
- GPT 4.5 vs Kimi K3
- GPT 4.5 vs Mimo V2.6 Pro
- GPT 4.5 vs Minimax M3
- GPT 4.5 vs Qwen3.8 Max 0902
- Muse Spark 1.3 vs Deepseek V4 Pro
- Muse Spark 1.3 vs Fable 5.1
- Muse Spark 1.3 vs Gemini 4 Argon
- Muse Spark 1.3 vs Glm 5.3
- Muse Spark 1.3 vs GPT 6 Astra
- Muse Spark 1.3 vs Grok 4.7
- All comparisons