OfficeQA
We show this table for reference; we do not rank on it.
Grounded numerical reasoning over a corpus of historical U.S. Treasury Bulletin documents.
Benchmark score on OfficeQA — September 27, 2026
We compile the OfficeQA rows from provider self-reports. Claude Opus 5.5 leads the table at 78.9%, followed by Claude Opus 5 (78.1%). We do not use these results to rank models overall.
Claude Opus 5.5
Anthropic
Claude Opus 5
Anthropic
2 modelsMultimodal & GroundedCurrentDisplay onlyUpdated September 27, 2026
Benchmark score table (2 models)
ScoreAbout OfficeQA
Year
2026
Tasks
Historical Treasury Bulletin questions
Format
Agentic grounded QA accuracy
Difficulty
Professional document reasoning
Section 8.13.1 reports the full-set result using extracted documents and code execution. Opus 5 ran through the public Messages API with production safeguards.
Freshness and provenance
Version
OfficeQA 2026
Refresh cadence
Quarterly
Staleness state
Current
Question availability
Public benchmark set
BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.
Questions
What does OfficeQA measure?
Grounded numerical reasoning over a corpus of historical U.S. Treasury Bulletin documents.
Which model scores highest on OfficeQA?
Claude Opus 5.5 by Anthropic currently leads with a score of 78.9% on OfficeQA.
How many models are evaluated on OfficeQA?
2 AI models have been evaluated on OfficeQA on BenchLM.
Compare top models on OfficeQA
Know when it’s worth switching models
The model to choose, the cheaper alternative, and the release we would wait on.
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