Compare Models
Select models (max 5)
Claude Opus 5.5GPT-6 Astra
 |  |  |
|---|---|---|
| Vals IndexGDP-weighted benchmark | 66.97%±0.89 | 63.13%±1.19 |
| Legal Research BenchAgentic US legal research | 50.48%±3.48 | 39.42%±3.40 |
| Finance Agent (v2)Core financial analyst tasks | 58.59%±0.17 | 53.54%±2.08 |
| Tax Agent BenchAgentic US corporate tax research | 70.50%±3.15 | 63.34%±3.15 |
| MedCodeMedical billing code support | 49.80%±2.27 | 48.49%±2.13 |
| Terminal-Bench ScienceExpert-authored scientific research workflows | 47.14%±6.01 | 62.86%±5.82 |
| Code MigrationRewriting programs in new languages | 66.65%±4.33 | 67.74%±4.22 |
| Terminal-Bench 4.0Frontier-difficulty terminal tasks | 65.15%±0.00 | 59.60%±4.40 |
| Vibe Code Bench v1.1Building web apps from scratch | 90.29%±1.53 | 89.59%±2.17 |
Benchmarks
Vals Index *
Claude Opus 5.5
0.00%± 0.89
(43/43)GPT-6 Astra
0.00%± 1.19
(43/43)Legal Research Bench *
Claude Opus 5.5
0.00%± 3.48
(73/73)GPT-6 Astra
0.00%± 3.40
(73/73)Finance Agent (v2) *
Claude Opus 5.5
0.00%± 0.17
(74/74)GPT-6 Astra
0.00%± 2.08
(74/74)Tax Agent Bench *
Claude Opus 5.5
0.00%± 3.15
(65/65)GPT-6 Astra
0.00%± 3.15
(65/65)MedCode *
Claude Opus 5.5
0.00%± 2.27
(104/104)GPT-6 Astra
0.00%± 2.13
(104/104)Terminal-Bench Science
Claude Opus 5.5
0.00%± 6.01
(38/38)GPT-6 Astra
0.00%± 5.82
(38/38)Code Migration *
Claude Opus 5.5
0.00%± 4.33
(73/73)GPT-6 Astra
0.00%± 4.22
(73/73)Terminal-Bench 4.0
Claude Opus 5.5
0.00%± 0.00
(43/43)GPT-6 Astra
0.00%± 4.40
(43/43)Vibe Code Bench v1.1 *
Claude Opus 5.5
0.00%± 1.53
(108/108)GPT-6 Astra
0.00%± 2.17
(108/108)Overall performance
Performance on the Vals Index, a GDP-weighted aggregation of tasks across finance, coding, and law
•2026-10-02
Comparison by Industry
Model performance on different sections of the economy.
Legal
27.12%
vs.22.42%
Finance
68.34%
vs.62.86%
Healthcare
70.61%
vs.68.20%
Math
100.00%
vs.99.00%
Science
58.65%
vs.65.09%
Education
45.83%
vs.46.37%
Coding
61.00%
vs.58.35%
Cyber
44.47%
vs.48.97%
Social Mobility
70.64%
vs.N/A
Cost Analysis
Per task and per token model pricing.
Vals Index · USD
$32.14
$18.46
Cost / TestVals Index
$32.14
vs.$18.46
Input Cost/ 1M Tokens
$4.00
vs.$10.00
Input Cache Write/ 1M Tokens
$5.00
vs.$12.50
Input Cache Read/ 1M Tokens
$0.40
vs.$1.00
Output Cost/ 1M Tokens
$20.00
vs.$50.00
Model Metadata
Basic information about each model.
| | |
|---|---|---|
| Model provider | Anthropic | OpenAI |
| Latency | 4710.68s | 1667.74s |
| Cost (In/Out) | $4 / $20 | $10 / $50 |
| Context Window | 1M | 1M |
| Max Output Token | 128k | 128k |
| Input Modality |