BENCHMARK REGISTRY
Public Artificial Intelligence Benchmark Records Database

Claude Opus 4.5 on tau2-bench

BENCHMARK RECORD: BR-002O45-017

Report record

Canonical URL: https://www.benchmarkregistry.org/records/BR-002O45-017

Benchmark scores may depend on benchmark version, evaluation configuration, model snapshot, and evaluator. Records sharing a benchmark name are not necessarily directly comparable.

Record

Record Identifier
BR-002O45-017
Record Status
ACTIVE
Created At
2026-07-13T05:52:26.949Z
Updated At
2026-07-13T05:52:26.949Z
Superseded By
Not applicable

Model

Official Model Name
Claude Opus 4.5
Model Identifier
ANTHR-O45
Organization
Anthropic
Model Family
Claude
Model Number
45
Tier
O
Model Snapshot
Unknown
Snapshot Label
Unknown
Provider Model Identifier
Unknown
Snapshot Date
Unknown

Benchmark

Benchmark Family
tau2-bench
Benchmark Version or Variant
Unknown
Benchmark Version Reference
tau2-bench/default
Benchmark Organization
Sierra
Benchmark Status
ACTIVE

Result

Metric
Overall
Score
86.3%
Numeric Score
86.3
Evaluation Date
Unknown
Reported Date
2026-07-13

Evaluation Context

Configuration Reference
CFG-000006
Shots
Unknown
Reasoning Mode
non-reasoning
Reasoning Effort
Unknown
Pass Count
Unknown
Agent Scaffold
Unknown
Evaluation Harness
Unknown
Temperature
Unknown
Top P
Unknown
Max Output Tokens
Unknown
System Prompt Description
Unknown
Additional Configuration
None reported

Source and Reporting

Primary Source
Artificial Analysis Model Leaderboard
Source Type
LEADERBOARD
Publisher
Artificial Analysis
Source Published Date
Unknown
Source Accessed At
2026-07-13T04:53:32.160Z
Report Type
INDEPENDENT
Evaluator
Artificial Analysis
Evaluator Type
INDEPENDENT_ORGANIZATION

Provenance

DateEventSourceDetails
2026-07-13T05:52:26.949ZRecord created manuallyArtificial Analysis Model Leaderboard—

Record Status

This record is ACTIVE. Registry identifiers remain reserved when record status changes.