# Grok Code Fast 1 vs Muse Spark 1.1

> Side-by-side benchmark comparison for Grok Code Fast 1 and Muse Spark 1.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-code-fast-1-vs-muse-spark-1-1
- Last updated: October 7, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Grok Code Fast 1 and Muse Spark 1.1 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Muse Spark 1.1 has the larger published context window at 1M.

## Model Snapshot

| Property | Grok Code Fast 1 | Muse Spark 1.1 |
|----------|----------|----------|
| Creator | xAI | Meta |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 256K | 1M |
| Independent public score (not head-to-head) | 34.32 | 65.95 |
| Benchmarks Covered | 2 | 26 |
| Pricing (input/output) | $0.20 / $1.50 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: Coming soon
- Muse Spark 1.1 public-lane score: 56.9 (Supported · #32/122)

| Benchmark | Grok Code Fast 1 | Muse Spark 1.1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 80.0% | Coming soon |
| MCP Atlas | Coming soon | 88.1% | Coming soon |
| Toolathlon | Coming soon | 75.6% | Coming soon |
| OSWorld-Verified | Coming soon | 80.8% | Coming soon |
| WebArena-Verified | Coming soon | 69% | Coming soon |
| DeepSearchQA | Coming soon | 84.9% | Coming soon |
| CyberGym | Coming soon | 59.0% | Coming soon |
| Finance Agent v2 | Coming soon | 57.2% | Coming soon |
| deepSwe | Coming soon | 53.3% | Coming soon |
| OSWorld 2.0 | Coming soon | 14.2% | Coming soon |
| JobBench | Coming soon | 54.7% | Coming soon |
| Cybench | Coming soon | 92.9% | Coming soon |
| ExploitGym | Coming soon | 0.8% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 69.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: 18.6 (Estimated · #122/146)
- Muse Spark 1.1 public-lane score: 54.2 (Supported · #35/146)

| Benchmark | Grok Code Fast 1 | Muse Spark 1.1 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 70.8% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 62.0% | 85.9% | Muse Spark 1.1 |
| Terminal-Bench 2.1 | Coming soon | 80.0% | Coming soon |
| SWE-bench Pro | Coming soon | 61.5% | Coming soon |
| SWE-bench (Vals) | Coming soon | 82.0% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: 58.7 (Unranked · 2 rankable rows)
- Muse Spark 1.1 public-lane score: 75.7 (Unranked · 3 rankable rows)

| Benchmark | Grok Code Fast 1 | Muse Spark 1.1 | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | Coming soon | 54.1% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: Coming soon
- Muse Spark 1.1 public-lane score: 78.3 (Unranked · 2 rankable rows)

| Benchmark | Grok Code Fast 1 | Muse Spark 1.1 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | Coming soon | 88.4% | Coming soon |
| BabyVision | Coming soon | 76.3% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: 34.9 (Estimated · #121/174)
- Muse Spark 1.1 public-lane score: 66.7 (Supported · #21/174)

| Benchmark | Grok Code Fast 1 | Muse Spark 1.1 | Winner |
|-----------|-----------|-----------|--------|
| HLE | Coming soon | 62.1% | Coming soon |
| HLE w/o tools | Coming soon | 52.2% | Coming soon |
| HealthBench Professional | Coming soon | 59.3% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 91.2% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 88.7% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: 46.8 (#86/125)
- Muse Spark 1.1 public-lane score: Coming soon

## FAQ

### Is there enough evidence to pick between Grok Code Fast 1 and Muse Spark 1.1?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Grok Code Fast 1 vs Muse Spark 1.2](/compare/grok-code-fast-1-vs-muse-spark-1-2)
- [Muse Spark 1.1 vs Muse Spark 1.2](/compare/muse-spark-1-1-vs-muse-spark-1-2)
- [Grok Code Fast 1 vs Muse Spark](/compare/grok-code-fast-1-vs-muse-spark)
- [Muse Spark 1.1 vs Muse Spark](/compare/muse-spark-vs-muse-spark-1-1)

## Explore More

- [Grok Code Fast 1 profile](/models/grok-code-fast-1)
- [Muse Spark 1.1 profile](/models/muse-spark-1-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)