Head to head
Grok 4.5vsMuse Spark 1.2
For tasks, about a month.
Verdict · measured basis
Muse Spark 1.2 costs $3.34 per solved task against
Grok 4.5 at $3.81 — ▼ 1.1x cheaper.
Over 200 tasks that is $95 a month.
On output token price alone Muse Spark 1.2 looks 1.4x cheaper. The ranking holds, but the margin changes.
Verified pricing, pass rate and cost per solved task for Grok 4.5 and Muse Spark 1.2| Figure | Grok 4.5 | Muse Spark 1.2 |
|---|
| Input $/Mtok | $2 | $1.25 |
|---|
| Output $/Mtok | $6 | $4.25 |
|---|
| Cached input $/Mtok | $0.3 | $0.15 |
|---|
| Pass rate | 64% | 62% |
|---|
| Cost per solved task | $3.81measured | $3.34measured |
|---|
| Cost per month | $763 | $668 |
|---|
Cost per month against tasks per month · drag the marker
Solid measured · dashed modeled · dotted stale. The gap is the verdict.
Source: Artificial Analysis (artificialanalysis.ai) · verified 2026-08-21 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings