Compare Models
Select models (max 7)
Claude Opus 4.8Muse Spark 1.3 Max
 |  |  |
|---|---|---|
| Legal Research BenchAgentic US legal research | 43.75%±3.45 | 55.29%±3.46 |
| Tax Agent BenchAgentic US corporate tax research | 30.00%±3.30 | 42.44%±3.51 |
| MedCodeMedical billing code support | 53.22%±2.17 | N/A |
| Terminal-Bench-ScienceExpert-authored scientific research workflows | 4.29%±2.44 | 10.00%±3.61 |
| Terminal-Bench 4.0Frontier-difficulty terminal tasks | 23.23%±1.34 | 24.75%±0.51 |
| Vibe Code Bench v1.1Building web apps from scratch | 82.72%±3.08 | 85.86%±2.51 |
Benchmarks
Legal Research Bench *
Claude Opus 4.8
0.00%± 3.45
(82/82)Muse Spark 1.3 Max
0.00%± 3.46
(82/82)Tax Agent Bench *
Claude Opus 4.8
0.00%± 3.30
(73/73)Muse Spark 1.3 Max
0.00%± 3.51
(73/73)MedCode *
Claude Opus 4.8
0.00%± 2.17
(107/107)Muse Spark 1.3 Max
N/ATerminal-Bench-Science
Claude Opus 4.8
0.00%± 2.44
(42/42)Muse Spark 1.3 Max
0.00%± 3.61
(42/42)Terminal-Bench 4.0
Claude Opus 4.8
0.00%± 1.34
(52/52)Muse Spark 1.3 Max
0.00%± 0.51
(52/52)Vibe Code Bench v1.1 *
Claude Opus 4.8
0.00%± 3.08
(116/116)Muse Spark 1.3 Max
0.00%± 2.51
(116/116)Overall performance
Performance on the Vals Index, a GDP-weighted aggregation of tasks across finance, coding, and law
•2026-10-21
Comparison by Industry
Model performance on different sections of the economy.
Legal
63.66%
vs.55.29%
Finance
58.52%
vs.42.44%
Healthcare
69.49%
vs.N/A
Math
N/A
vs.58.00%
Science
4.29%
vs.23.02%
Academic
89.53%
vs.N/A
Education
54.79%
vs.N/A
Coding
57.10%
vs.38.87%
Cyber
N/A
vs.38.28%
Social Mobility
68.13%
vs.N/A
Cost Analysis
Per task and per token model pricing.
Vals Index · USD
N/A
N/A
Cost / TestVals Index
N/A
vs.N/A
Input Cost/ 1M Tokens
$5.00
vs.$1.25
Input Cache Write/ 1M Tokens
$6.25
vs.N/A
Input Cache Read/ 1M Tokens
$0.50
vs.$0.15
Output Cost/ 1M Tokens
$25.00
vs.$4.25
Model Metadata
Basic information about each model.
| | |
|---|---|---|
| Model provider | Anthropic | Meta |
| Latency | N/A | N/A |
| Cost (In/Out) | $5 / $25 | $1.25 / $4.25 |
| Context Window | 1M | 1M |
| Max Output Token | 128k | 131k |
| Input Modality |