Claude Opus 4.1 (latest)

Anthropic · anthropic/claude-opus-4-1

ProviderAnthropic
Familyclaude-opus
Typellm-reasoning
Statusactive
Released2025-08-05
Updated2025-08-05

Reported benchmark scores

These scores carry one collection date for the whole card (2026-04) and a source list rather than a source per score, so they cannot be attributed individually. They are shown as reported and are not verified evidence. Benchmark pages carry the reviewed, dated evidence where it exists.
BenchmarkCatalogue standingScore
Aider Polyglot Benchmarkunassessed78.8
Arena Elo — Codingunassessed1400.0
Arena Elo — Mathunassessed1380.0
Arena Elo — Overall (Text)unassessed1390.0
GPQA Diamondunassessed76.2
HumanEvalunassessed91.7
IFEvalunassessed91.0
LiveCodeBenchunassessed65.4
MATH-500unassessed94.5
MMLU-Prounassessed83.8
MultiPL-E: C#unassessed86.2
MultiPL-E: Juliaunassessed68.2
MultiPL-E: Kotlin (unconfirmed)unassessed80.5
MultiPL-E: Luaunassessed63.5
MultiPL-E: Perlunassessed60.2
MultiPL-E: PHPunassessed83.5
MultiPL-E: Runassessed66.5
MultiPL-E: Rubyunassessed76.2
MultiPL-E: Scalaunassessed70.1
MultiPL-E: Swiftunassessed74.5
SWE-bench Agentunassessed58.2
SWE-bench Verifiedunassessed68.8
τ-benchunassessed64.8
Terminal-Benchunassessed52.1

Data

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