Claude Haiku 5.5
AnthropicClaude CodeReasoning: high
Claude Haiku 5.5 gets about 1 vocabulary question in 10 right. It does best in Kabyle. Its weakest spot is writing Standard Moroccan Amazigh words in Tifinagh. It still makes mistakes swapping Tifinagh and Latin letters (81.3 out of 100).
Rank 8 of 9
TifinaghBench score
8.0out of 100
95% interval 7.4–8.6
7.9 with strict spelling
0–100, with 95% interval
Script score
81.3out of 100
95% interval 80.0–82.6
70.1 with strict spelling
Transliteration score, 0–100
Scores by dialect and task
Share of the score earned in each cell, 0–100. The transliteration column measures the script, not the vocabulary.
Standard Moroccan Amazigh
- Tifinagh → English
- 3.923 correct, 32 partial, 945 wrong of 1000
- English → Tifinagh
- 0.88 correct, 0 partial, 992 wrong of 1000
- Tifinagh ↔ Latin
- 89.0890 correct, 0 partial, 110 wrong of 1000
Tarifit
- Tifinagh → English
- 8.562 correct, 44 partial, 887 wrong of 993
- English → Tifinagh
- 0.99 correct, 0 partial, 984 wrong of 993
- Tifinagh ↔ Latin
- 61.9619 correct, 0 partial, 381 wrong of 1000
Kabyle
- Tifinagh → English
- 25.4202 correct, 102 partial, 693 wrong of 997
- English → Tifinagh
- 8.484 correct, 0 partial, 913 wrong of 997
- Tifinagh ↔ Latin
- 93.0930 correct, 0 partial, 70 wrong of 1000
| Tifinagh → English | English → Tifinagh | Tifinagh ↔ Latin | |
|---|---|---|---|
| Standard Moroccan Amazigh | 3.923 correct, 32 partial, 945 wrong of 1000 | 0.88 correct, 0 partial, 992 wrong of 1000 | 89.0890 correct, 0 partial, 110 wrong of 1000 |
| Tarifit | 8.562 correct, 44 partial, 887 wrong of 993 | 0.99 correct, 0 partial, 984 wrong of 993 | 61.9619 correct, 0 partial, 381 wrong of 1000 |
| Kabyle | 25.4202 correct, 102 partial, 693 wrong of 997 | 8.484 correct, 0 partial, 913 wrong of 997 | 93.0930 correct, 0 partial, 70 wrong of 1000 |
By dialect
Meaning tasks only
- Standard Moroccan Amazigh2.4
- Tarifit4.7
- Kabyle16.9
By task
- Tifinagh → English12.6
- English → Tifinagh3.4
- Tifinagh ↔ Latin81.3
Tifinagh → English grades
Free-text meanings, graded by the judge or matched exactly.
- Correct
- Partial
- Wrong
- Failed
Standard Moroccan Amazigh23 correct, 32 partial, 945 wrong of 1000
Tarifit62 correct, 44 partial, 887 wrong of 993
Kabyle202 correct, 102 partial, 693 wrong of 997
Character error rate
For exact-match answers: the smallest edit distance to an accepted answer, divided by its length. Lower is better; it shows near misses that a 0 score hides.
| English → Tifinagh | Tifinagh ↔ Latin | |
|---|---|---|
| Standard Moroccan Amazigh | 88.4% | 3.2% |
| Tarifit | 94.5% | 19.9% |
| Kabyle | 77.1% | 1.8% |
The run
- Setup
- Official setup
- Harness
- Claude Code 2.1.302@anthropic-ai/claude-agent-sdk 0.3.303
- Judge
- Claude Haiku 5.5 (Claude Code)
- Sample
- 1,000 words per dialect, seed 1
- Batch size
- 100
- Sessions
- 93 answer, 30 judge
- Tokens
- 784,886 in · 1,170,057 out · 923,891 reasoning
- Model cost
- $0.69 (API-equivalent; run on a subscription)
- Judge cost
- $0.22
- Dates
- 20 Oct 2026, 14:05 UTC → 20 Oct 2026, 14:30 UTC
- CLI version
- 0.1.0
Dataset checksums
SHA-256 of each dictionary file, so the run can be checked once the datasets are released.
- Standard Moroccan Amazigh
633505d9ccd2244f9a53b64f56bd153c428cc3dbd7229066845404bf3d7c5060 - Tarifit
d144a5619aa31cc06ffcc4eb26c361c65ca2c71451dfdfbea7fa134206481c4f - Kabyle
ed3a9882ac0f4ef10630917a302fd7d9ff6ac706654bb317b94c715f6b4cf9ea