Model card
Claude 4.5 Sonnet.
Anthropic
§ 02 · Benchmarks
Every benchmark Claude 4.5 Sonnet has a recorded score for.
| # | Benchmark | Area · Task | Metric | Value | Rank | Date | Source |
|---|---|---|---|---|---|---|---|
| 01 | HLE | Reasoning · Multi-step Reasoning | accuracy | 13.7% | #45 | — |
Rank column shows this model’s position vs all other models scored on the same benchmark + metric (competitors after the slash). #1 in red means current SOTA. Sorted by rank, then newest result.
§ 05 · Related models
Other Anthropic models scored on Codesota.
Claude Opus 4
Undisclosed params · 14 results · 2 SOTA
Claude Sonnet 5
Undisclosed params · 2 results · 2 SOTA
Claude Sonnet 4
11 results · 1 SOTA
Claude Opus 4.5
4 results · 1 SOTA
Claude Opus 4.7
2 results · 1 SOTA
Claude Mythos Preview
1 result · 1 SOTA
Claude 3.5 Sonnet
Undisclosed params · 28 results
Claude Opus 4.5
Undisclosed params · 12 results
§ 06 · Sources & freshness
Where these numbers come from.
editorial
1
result
0 of 1 rows marked verified.