Muse Spark 1.1 vs GPT-5.4 Mini
Muse Spark 1.1 is cheaper on output tokens, while Muse Spark 1.1 offers a larger context window. Choose Muse Spark 1.1 or GPT-5.4 Mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Muse Spark 1.1 | GPT-5.4 Mini |
|---|---|---|
| Provider | Meta | OpenAI |
| Input / 1M tokens | $1.25 | $0.75 |
| Output / 1M tokens | $4.25 | $4.50 |
| Context window | 1M | 400K |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Mar 2026 |
| LMArena (Chatbot Arena) Elo score | 1478 | 1412 |
| LMArena WebDev Elo score | 1542 | 1398 |
| LMArena Vision Elo score | 1293 | 1245 |
| Epoch Capabilities Index score | 154 | 149 |
| LiveBench score | — | 67.7 |
| GPQA Diamond score | — | 86.9 |
| FrontierMath score | — | 28.3 |
FAQ
Is Muse Spark 1.1 or GPT-5.4 Mini cheaper?
Muse Spark 1.1 is cheaper on output tokens ($4.25 vs $4.50 per 1M).
Which has the larger context window, Muse Spark 1.1 or GPT-5.4 Mini?
Muse Spark 1.1 has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.