Grok 4 1 Fast ReasoningvsMuse Spark 1.1
Grok 4 1 Fast Reasoning leads the overall Podium Score by 2.1 points (72.0 vs 69.9).Category wins: Grok 4 1 Fast Reasoning 0 — 0 Muse Spark 1.1.Muse Spark 1.1 is the cheaper pick ($4.25/M vs $15/M per 1M output tokens). Muse Spark 1.1 is faster (208 t/s vs 50 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
Grok 4 1 Fast Reasoning is rated higher overall with a Podium Score of 72.0 (vs 69.9 for Muse Spark 1.1). Both models show closely matched capabilities across domain benchmarks.
Coding & Engineering
Comparable
Inference Speed
Muse Spark 1.1 (208 t/s)
Cost Efficiency
Muse Spark 1.1 ($4.25/M/M)
| Metric | Grok 4 1 Fast Reasoning | Muse Spark 1.1 |
|---|---|---|
| Podium Score | 72.0 ▲ | 69.9 |
| Arena Elo | — | 1490 |
| Intelligence Index | — | 51.0 |
| Coding | — | 64.4 |
| Math | — | — |
| Reasoning | — | 62.7 |
| Agentic | — | — |
| Knowledge | — | 28.1 |
| Multimodal | — | — |
| Long-context | — | 99.2 |
| Output speed | 50 t/s | 208 t/s ▲ |
| Output price | $15/M | $4.25/M ▲ |
| Context window | 128K | 1000K ▲ |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Grok 4 1 Fast R vs Claude Mythos · Grok 4 1 Fast R vs Claude Fable 5 · Grok 4 1 Fast R vs Kimi K3 · Grok 4 1 Fast R vs Claude Opus 5