Gemini 3.5 Flash vs Muse Spark 1.3
Gemini 3.5 Flash vs Muse Spark 1.3: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- Muse Spark 1.3 is 1.7× cheaper than Gemini 3.5 Flash for the same mix of input and output tokens.
- Both have the same context window.
- Muse Spark 1.3 is the more recent release (Sep 2, 2026).
- Muse Spark 1.3 scores higher on independent tests (overall index 156.9 vs 154.6).
- Muse Spark 1.3 is both cheaper and better rated: for most uses it is the better choice.
| Gemini 3.5 Flash | Muse Spark 1.3 | |
|---|---|---|
| Company | Google DeepMind | Meta |
| Released | May 19, 2026 | Sep 2, 2026 ● |
| Overall index | 154.6 | 156.9 ● |
| SWE-bench Verified | 79.3% | — |
| GPQA Diamond | 92.8% | — |
| AIME math | 95.6% | 99.2% ● |
| FrontierMath | 62.8% | 74.4% ● |
| SimpleQA Verified | 66.2% | — |
| Input (per 1M tokens) | $1.50 | $1.25 ● |
| Output (per 1M tokens) | $9 | $4.25 ● |
| Cost for 1M input + 1M output tokens | $10.50 | $5.50 ● |
| Providers | 7 ● | 1 |
| Context | 1M | 1M |
| Max output | 64K | 944K ● |
| Inputs | Text, Image, Video, Files, Audio ● | Text, Image, Video, Files |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | — |