Cambent Token Index · Live index · Methodology · Index API

Claude Opus 4.8 Grounded

As of 2026-09-15 · Source: Cambent TKX

As of 2026-09-15, the TKX is 102.1, meaning a unit of AI capability is at a premium to the 2026-08-04 baseline of 100.

Cite the print: GET /v1/index/tkx · Methodology

Cite this model: GET /v1/models/claude-opus-4-8

Host
closed
Domain
general
Input $/M
$5
Output $/M
$25
Price source
live
Honesty
Grounded
Claude Opus 4.8 task quality as of 2026-09-15. Source: Cambent TKX.
TaskQuality
Reasoning92 Grounded
Code83 Grounded
Extraction93 Grounded
Classification93 Grounded

Listed on the Cambent TKX board. Figures are the published board and Index API values as of 2026-09-15. Not a recommendation.