Compare / head-to-head

Claude Sonnet 4.6vsMuse Spark

Muse Spark leads 5 of 8 shared benchmarks.

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
3 – 5
Muse Spark leads
Cheaper per token
—
list price, input + output
Larger context
—
both 1M tokens
Providers
2 providers
Anthropic · Meta
Claude Sonnet 4.6
Anthropic · released 2026-02-17
textvision
Context
1M
Max out
128K
Input /1M
$3 ↗
Output /1M
$15 ↗
Cached /1M
$0.3
Scores
41 · 10 core
Muse Spark
Meta · released 2026-04-08
textvision
Context
—
Max out
—
Input /1M
—
Output /1M
—
Cached /1M
—
Scores
19 · 8 core
Quality

Benchmark matrix

BenchmarkClaude Sonnet 4.6Muse SparkΔEdge
Reported by both · 8
SWE-bench Verified79.6% ↗77.4% ↗+2.2 ptClaude Sonnet 4.6
GPQA Diamond89.9% ↗89.5% ↗+0.4 ptClaude Sonnet 4.6
Humanity's Last Exam (no tools)33.2% ↗42.8% ↗-9.6 ptMuse Spark
LMArena Elo1458.3 ↗1489.3 ↗-31Muse Spark
Humanity's Last Exam (with tools)49% ↗50.4% ↗-1.4 ptMuse Spark
LMArena Vision (LMArena)1275.2 ↗1293.6 ↗-18.4Muse Spark
OTIS Mock AIME 2024-2025 (Epoch AI run)85.8% ↗epoch run88.9% ↗epoch run-3.1 ptMuse Spark
Terminal-Bench 2.059.1% ↗59% ↗+0.1 ptClaude Sonnet 4.6
Only Claude Sonnet 4.6 reports · 27
APEX-Agents (Mercor)43% ↗not reported——
ARC-AGI-2 (Verified)58.3% ↗not reported——
Chess Puzzles (Epoch AI run)13% ↗epoch runnot reported——
DeepSWE v1.1 (Datacurve)29.9% ↗not reported——
GDPval-AA1633 ↗not reported——
LiveBench Agentic Coding (LiveBench)42.6% ↗not reported——
LiveBench Coding (LiveBench)79.3% ↗not reported——
LiveBench Data Analysis (LiveBench)77.9% ↗not reported——
LiveBench Instruction Following (LiveBench)63.2% ↗not reported——
LiveBench Language (LiveBench)76.1% ↗not reported——
LiveBench Mathematics (LiveBench)87% ↗not reported——
LiveBench Reasoning (LiveBench)84.8% ↗not reported——
LMArena WebDev (LMArena)1521.4 ↗not reported——
MCP Atlas61.3% ↗not reported——
MMMLU89.3% ↗not reported——
MMMU-Pro (no tools)74.5% ↗not reported——
MMMU-Pro (with tools)75.6% ↗not reported——
Mystery Game Puzzles (Epoch AI run)16% ↗epoch runnot reported——
OSWorld-Verified72.5% ↗not reported——
OSWorld-Verified (XLANG)72.1% ↗not reported——
SAGE (Vals AI)46.6% ↗not reported——
SimpleQA Verified35.5% ↗epoch runnot reported——
SWE-bench Verified (Epoch AI run)75.2% ↗epoch runnot reported——
Tau2-bench Retail91.7% ↗not reported——
Tau2-bench Telecom97.9% ↗not reported——
Vending-Bench 2 (Andon Labs)7204.14 ↗not reported——
WeirdML (Håvard Tveit Ihle)66.1% ↗not reported——
Only Muse Spark reports · 10
ARC AGI 2 (Public)not reported42.5% ↗——
CharXiv Reasoningnot reported86.4% ↗——
DeepSearchQAnot reported74.8% ↗——
HealthBench Hardnot reported42.8% ↗——
LiveCodeBench Pronot reported80% ↗——
MedXpertQA (MM)not reported78.4% ↗——
MMMU Pronot reported80.4% ↗——
ScreenSpot Pro (With Python)not reported84.1% ↗——
SimpleVQAnot reported71.3% ↗——
SWE-Bench Pronot reported52.4% ↗——
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 Claude Sonnet 4.6 minus Muse Spark 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

SpecClaude Sonnet 4.6Muse SparkEdge
Context window1M tokens——
Max output128K tokens——
Input price / 1M$3 ↗——
Output price / 1M$15 ↗——
Cached input / 1M$0.3 ↗——
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$18——
Modalitiestext · visiontext · visionTie
Released2026-02-172026-04-08—
Cited benchmark scores4119—
Reliability

Provider status

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Claude Sonnet 4.6 vs …

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