Model card
Claude-Opus-4.1.
Anthropicopen-source
§ 01 · Benchmarks
Every benchmark Claude-Opus-4.1 has a recorded score for.
| # | Benchmark | Area · Task | Metric | Value | Rank | Date | Source |
|---|---|---|---|---|---|---|---|
| 01 | PLCC | Natural Language Processing · Polish Cultural Competency | history | 91.0% | #11 | — | source ↗ |
| 02 | PLCC | Natural Language Processing · Polish Cultural Competency | culture-and-tradition | 83.0% | #30 | — | source ↗ |
| 03 | PLCC | Natural Language Processing · Polish Cultural Competency | grammar | 74.0% | #34 | — | source ↗ |
| 04 | PLCC | Natural Language Processing · Polish Cultural Competency | geography | 86.0% | #34 | — | source ↗ |
| 05 | PLCC | Natural Language Processing · Polish Cultural Competency | average | 79.0% | #34 | — | source ↗ |
| 06 | PLCC | Natural Language Processing · Polish Cultural Competency | vocabulary | 73.0% | #36 | — | source ↗ |
| 07 | PLCC | Natural Language Processing · Polish Cultural Competency | art-and-entertainment | 67.0% | #45 | — | source ↗ |
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.
§ 02 · Strengths by area
Where Claude-Opus-4.1 actually performs.
§ 04 · Related models
Other Anthropic models scored on Codesota.
Claude Opus 4
Undisclosed params · 13 results · 2 SOTA
Claude Opus 4.5
3 results · 2 SOTA
Claude Sonnet 5
Undisclosed params · 2 results · 2 SOTA
Claude Sonnet 4
10 results · 1 SOTA
Claude Mythos Preview
1 result · 1 SOTA
Claude 3.5 Sonnet
Undisclosed params · 27 results
Claude Opus 4.5
Undisclosed params · 13 results
Claude 3.7 Sonnet
10 results
§ 05 · Sources & freshness
Where these numbers come from.
sdadas/PLCC
7
results
7 of 7 rows marked verified.