Muse Spark Open (Nebius) vs o3 Mini
Muse Spark Open (Nebius) is cheaper on output tokens, while Muse Spark Open (Nebius) offers a larger context window. Choose Muse Spark Open (Nebius) or o3 Mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Muse Spark Open (Nebius) | o3 Mini |
|---|---|---|
| Provider | Eden AI | OpenAI |
| Input / 1M tokens | $1.25 | $1.10 |
| Output / 1M tokens | $4.25 | $4.40 |
| Context window | 1M | 200K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Oct 2026 | Dec 2024 |
| Aider Polyglot score | — | 60.4 |
| GPQA Diamond score | — | 77.0 |
| FrontierMath score | — | 12.4 |
| SWE-bench Verified score | — | 42.4 |
| Epoch Capabilities Index score | — | 140 |
| LMArena (Chatbot Arena) Elo score | — | 1337 |
FAQ
Is Muse Spark Open (Nebius) or o3 Mini cheaper?
Muse Spark Open (Nebius) is cheaper on output tokens ($4.25 vs $4.40 per 1M).
Which has the larger context window, Muse Spark Open (Nebius) or o3 Mini?
Muse Spark Open (Nebius) 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.