Compare / head-to-head
Grok 4.6vs
Muse Spark 1.3
Muse Spark 1.3 leads 1 of 1 shared benchmark. Muse Spark 1.3 is 1.5x cheaper per token. Muse Spark 1.3 has the larger context window (1.0M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 1
Muse Spark 1.3 leads
Cheaper per token
Muse Spark 1.3
1.5x cheaper, input + output
Larger context
Muse Spark 1.3
1.0M tokens
Providers
2 providers
xAI · Meta
Grok 4.6
xAI · released 2026-08-12
textvision
Muse Spark 1.3
Meta · released 2026-09-02
textvisionvideo
Quality
Benchmark matrix
1 shared · 14 only Grok 4.6 · 9 only Muse Spark 1.3| Benchmark | Grok 4.6 | Muse Spark 1.3 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| DeepSWE v1.1 | 65.9% ↗ | 75.4% ↗ | -9.5 pt | Muse Spark 1.3 |
| Only Grok 4.6 reports · 14 | ||||
| GPQA Diamond | 94% ↗epoch | not reported | — | — |
| AA-Briefcase | 1577 ↗ | not reported | — | — |
| APEX-Agents | 57.5% ↗ | not reported | — | — |
| APEX-SWE | 56.4% ↗ | not reported | — | — |
| Artificial Analysis Intelligence Index | 61 ↗ | not reported | — | — |
| CursorBench 3.2 | 69.9% ↗ | not reported | — | — |
| FrontierCode v1.1 (Extended) | 61.3% ↗ | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 31.7% ↗epoch | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 66% ↗epoch | not reported | — | — |
| GDPVal-AA v2 | 1753 ↗ | not reported | — | — |
| Harvey LAB (Vals) | 15.8% ↗ | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 99.2% ↗epoch | not reported | — | — |
| SimpleQA Verified | 49.3% ↗epoch | not reported | — | — |
| Terminal-Bench 3.0 | 26% ↗ | not reported | — | — |
| Only Muse Spark 1.3 reports · 9 | ||||
| AutomationBench | not reported | 49.6% ↗ | — | — |
| DeepSearchQA | not reported | 90.3% ↗ | — | — |
| GDPval-AA v2 | not reported | 1754 ↗ | — | — |
| JobBench | not reported | 64.9% ↗ | — | — |
| MRCR 256K-512K | not reported | 98.5% ↗ | — | — |
| MRCR 512K-1M | not reported | 98.1% ↗ | — | — |
| OSWorld 2.0 (partial) | not reported | 66.9% ↗ | — | — |
| SWE-Atlas Codebase QnA | not reported | 59.4% ↗ | — | — |
| Terminal-Bench 2.1 | not reported | 88.8% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Grok 4.6 minus Muse Spark 1.3 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Grok 4.6 | Muse Spark 1.3 | Edge |
|---|---|---|---|
| Context window | 500K tokens | 1.0M tokens | Muse Spark 1.3 |
| Max output | — | — | — |
| Input price / 1M | $2 ↗ | $1.25 ↗ | Muse Spark 1.3 |
| Output price / 1M | $6 ↗ | $4.25 ↗ | Muse Spark 1.3 |
| Cached input / 1M | $0.5 ↗ | $0.15 ↗ | Muse Spark 1.3 |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $8 | $5.5 | Muse Spark 1.3 |
| Modalities | text · vision | text · vision · video | Muse Spark 1.3 |
| Released | 2026-08-12 | 2026-09-02 | — |
| Cited benchmark scores | 15 | 10 | — |
Reliability
Provider status
Live from /statusMore matchups
Grok 4.6 vs …
Models sharing the most benchmarksMore matchups
Muse Spark 1.3 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Grok 4.6 and Muse Spark 1.3 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.