German Language LLM Index
a PeerBench project

Individual experiment result

ScaLA (DE)

Claude Opus 4.8 Anthropic

Matthews correlation coefficient reasoning off provider-internal
82.6%
Matthews correlation coefficient

Run details

Date
2026-06-13
Test cases
2,048
Median latency
2.00s
Total cost
$17.46
Avg. prompt tokens
1,684.8
Avg. answer tokens
4
Avg. reasoning tokens
Quantization
provider-internal

About this benchmark

Native German linguistic acceptability — is the sentence grammatical (ja/nein)? generate_until; primary metric MCC (accuracy recorded as secondary).

Binary acceptability native · Native German Source ↗

Provenance

Run ID
2026-06-13T12-23-22__openai__cc__claude-opus-4-8__scala_de