A telecom-oriented tool benchmark that measures structured tool use in domain workflows.
BenchLM mirrors the published score view for Tau2-Telecom. GPT-5.5 leads the public snapshot at 98% , followed by Grok 4.3 (97.7%) and Grok 4.20 (96.5%). BenchLM does not use these results to rank models overall.
GPT-5.5
OpenAI
Grok 4.3
xAI
Grok 4.20
xAI
The published Tau2-Telecom snapshot is tightly clustered at the top: GPT-5.5 sits at 98%, while the third row is only 1.5 points behind. The broader top-10 spread is 55.3 points, so the benchmark still separates strong models even when the leaders cluster.
10 models have been evaluated on Tau2-Telecom. The benchmark falls in the Agentic category. This category carries a 22% weight in BenchLM.ai's overall scoring system. Tau2-Telecom is currently displayed for reference but excluded from the scoring formula, so it does not directly affect overall rankings.
Year
2026
Tasks
Telecom tool workflows
Format
Domain-specific tool evaluation
Difficulty
Professional workflow
OpenAI reports tau2-bench as a domain-specific tool benchmark for telecom tasks, useful for measuring API-call reliability under constraints.
Version
τ²-Bench 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.
A telecom-oriented tool benchmark that measures structured tool use in domain workflows.
GPT-5.5 by OpenAI currently leads with a score of 98% on Tau2-Telecom.
10 AI models have been evaluated on Tau2-Telecom on BenchLM.
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