GPT-5.4 Pro vs Muse Spark
OpenAI vs Meta — benchmarks, pricing, and capabilities side by side.
- •Muse Spark is cheaper ($0.00 vs $30.00 per 1M input)
| GPT-5.4 Pro | Muse Spark | |
|---|---|---|
| Intelligence index | — | 88.4 |
| Developer | OpenAI | Meta |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 1,050,000 tokens | — |
| Input price | $30.00 / 1M | $0.00 / 1M |
| Output price | $180.00 / 1M | $0.00 / 1M |
| Speed | — | — |
| Released | March 5, 2026 | April 8, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |