Grok Code Fast 1 vs Muse Spark
Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Muse Spark leads for most workloads.
Based on BenchLM composite scores, July 2026.
Grok Code Fast 1
41
Muse Spark
76
Pick Muse Spark if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Grok Code Fast 1 | Δ | Muse Spark |
|---|---|---|---|
| Coding | 70.8 | ← 9.1 | 61.7 |
| Agentic | — | — | 59.0 |
| Reasoning | — | — | 42.5 |
| Knowledge | — | — | 50.4 |
| Multimodal | — | — | 82.5 |
Operational Comparison
Grok Code Fast 1
Muse Spark
$0.2 / $1.5
N/A
172 t/s
N/A
2.81s
N/A
256K
262K
Quick Verdict
Pick Muse Spark if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
Muse Spark is clearly ahead on the provisional aggregate, 76 to 41. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Muse Spark is the reasoning model in the pair, while Grok Code Fast 1 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Muse Spark gives you the larger context window at 262K, compared with 256K for Grok Code Fast 1.
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, Grok Code Fast 1 or Muse Spark?
Muse Spark is ahead on BenchLM's provisional leaderboard, 76 to 41. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 70.8% and 77.4%.
Which is better for coding, Grok Code Fast 1 or Muse Spark?
Grok Code Fast 1 has the edge for coding in this comparison, averaging 70.8 versus 61.7. Inside this category, Terminal-Bench Hard is the benchmark that creates the most daylight between them.
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