ComplexFuncBench

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About

ComplexFuncBench is an advanced function calling benchmark that evaluates Large Language Models' ability to handle sophisticated, multi-step function calling scenarios with complex dependencies. This benchmark tests AI systems' capacity to understand intricate function signatures, manage complex data flows, and execute multi-layered function calls accurately. ComplexFuncBench measures advanced tool usage capabilities beyond simple function calling scenarios.

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Evaluation Stats
Total Models6
Organizations1
Verified Results0
Self-Reported6
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Benchmark Details
Max Score1
Language
en
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Performance Overview
Score distribution and top performers

Score Distribution

6 models
Top Score
66.5%
Average Score
44.6%
High Performers (80%+)
0

Top Organizations

#1OpenAI
6 models
44.6%
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Leaderboard
6 models ranked by performance on ComplexFuncBench
LicenseLinks
Aug 6, 2024
Proprietary
66.5%
Apr 14, 2025
Proprietary
65.5%
Feb 27, 2025
Proprietary
63.0%
Apr 14, 2025
Proprietary
49.3%
Jan 30, 2025
Proprietary
17.6%
Apr 14, 2025
Proprietary
5.7%
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Resources