Compare Models
Select models (max 7)
Claude Opus 5.5Claude Fable 5.2
 |  | |
|---|---|---|
| Vals IndexGDP-weighted benchmark | 70.14%±1.00 | 71.31%±0.96 |
| Legal Research BenchAgentic US legal research | 50.48%±3.48 | 46.15%±3.46 |
| Finance Agent v2.1Core financial analyst tasks | 67.85%±2.05 | 69.47%±1.98 |
| Tax Agent BenchAgentic US corporate tax research | 44.54%±3.58 | 32.09%±3.37 |
| MedCodeMedical billing code support | 49.80%±2.27 | N/A |
| Terminal-Bench-ScienceExpert-authored scientific research workflows | 47.14%±6.01 | 55.71%±5.98 |
| Code Migration v1.1Rewriting programs in new languages | 81.01%±3.21 | 83.27%±3.12 |
| Terminal-Bench 4.0Frontier-difficulty terminal tasks | 65.15%±0.00 | 65.15%±2.31 |
| Vibe Code Bench v1.1Building web apps from scratch | 90.29%±1.53 | 93.77%±1.15 |
Benchmarks
Vals Index *
Claude Opus 5.5
0.00%± 1.00
(36/36)Claude Fable 5.2
0.00%± 0.96
(36/36)Legal Research Bench *
Claude Opus 5.5
0.00%± 3.48
(93/93)Claude Fable 5.2
0.00%± 3.46
(93/93)Finance Agent v2.1 *
Claude Opus 5.5
0.00%± 2.05
(39/39)Claude Fable 5.2
0.00%± 1.98
(39/39)Tax Agent Bench *
Claude Opus 5.5
0.00%± 3.58
(84/84)Claude Fable 5.2
0.00%± 3.37
(84/84)MedCode *
Claude Opus 5.5
0.00%± 2.27
(107/107)Claude Fable 5.2
N/ATerminal-Bench-Science
Claude Opus 5.5
0.00%± 6.01
(45/45)Claude Fable 5.2
0.00%± 5.98
(45/45)Code Migration v1.1 *
Claude Opus 5.5
0.00%± 3.21
(30/30)Claude Fable 5.2
0.00%± 3.12
(30/30)Terminal-Bench 4.0
Claude Opus 5.5
0.00%± 0.00
(63/63)Claude Fable 5.2
0.00%± 2.31
(63/63)Vibe Code Bench v1.1 *
Claude Opus 5.5
0.00%± 1.53
(127/127)Claude Fable 5.2
0.00%± 1.15
(127/127)Overall performance
Performance on the Vals Index, a GDP-weighted aggregation of tasks across finance, coding, legal, and tax
•2026-11-09
Comparison by Industry
Model performance on different sections of the economy.
Legal
43.93%
vs.41.71%
Finance
72.05%
vs.59.65%
Healthcare
70.61%
vs.N/A
Math
100.00%
vs.100.00%
Science
47.63%
vs.63.74%
Education
91.30%
vs.N/A
Coding
64.37%
vs.64.70%
Cyber
44.47%
vs.N/A
Social Mobility
70.64%
vs.N/A
Cost Analysis
Per task and per token model pricing.
Vals Index · USD
$24.77
$17.94
Cost / TestVals Index
$24.77
vs.$17.94
Input Cost/ 1M Tokens
$4.00
vs.$8.00
Input Cache Write/ 1M Tokens
$5.00
vs.$10.00
Input Cache Read/ 1M Tokens
$0.20
vs.$0.20
Output Cost/ 1M Tokens
$20.00
vs.$40.00
Model Metadata
Basic information about each model.
| | |
|---|---|---|
| Model provider | Anthropic | Anthropic |
| Latency | 5071.09s | 2621.82s |
| Cost (In/Out) | $4 / $20 | $8 / $40 |
| Context Window | 1M | 1M |
| Max Output Token | 128k | 128k |
| Input Modality |