Claude Opus 4.8 Grounded
As of Nov 13, 2026 · Source: Cambent TKX
Data current as of Nov 13, 2026
As of Nov 13, 2026, the TKX is 116.2.
This is the market-wide index. A rising TKX means AI capability is getting cheaper overall.
Cite the TKX: GET /v1/index/tkx · Methodology
Cite this model: GET /v1/models/claude-opus-4-8
Weights
ClosedDomain
generalInput $/M
$5Output $/M
$25Price source
liveSource label
Grounded| Task | Quality |
|---|---|
| Reasoning | 92 Grounded |
| Code | 83 Grounded |
| Extraction | 93 Grounded |
| Classification | 93 Grounded |
Source: Cambent TKX and Index API, Nov 13, 2026.
For information only. Cambent publishes data and doesn't recommend models.