Claude Sonnet 4.5 (Low): benchmark results
Provider: Anthropic. Released 2025-09-29. Access: API.
Unified ELO 1656 ± 1, rank #311 of 3078 rated models, from 21 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| CLEM TextMapWorld GraphReasoning | 86.34 | Game Clemscore (%) | 100 |
| CLEM Taboo | 98.33 | Game Clemscore (%) | 98.3 |
| CLEM PrivateShared | 98.47 | Game Clemscore (%) | 96.6 |
| CLEM Wordle with Critic | 77.5 | Game Clemscore (%) | 96.6 |
| CLEM Wordle with Clue | 80.11 | Game Clemscore (%) | 95 |
| CLEM Clemscore | 86.01 | Clemscore (%) | 93.3 |
| CLEM Deal or No Deal | 94.36 | Game Clemscore (%) | 93.3 |
| CLEM ReferenceGame | 100 | Game Clemscore (%) | 93.3 |
| Clembench Text v3.0 | 86.01 | clemscore | 93.3 |
| CLEM GuessWhat | 91.67 | Game Clemscore (%) | 88.9 |
| CLEM AdventureGame | 90 | Game Clemscore (%) | 86.7 |
| CLEM TextMapWorld | 84.95 | Game Clemscore (%) | 86.7 |
Interactive version: theaggregate.ai/model?slug=claude-sonnet-4-5-low · How It Works · Data refreshed daily, snapshot 2026-09-19.