agents benchmark
Search and Function-Calling Leaderboard
Search and Function-Calling is an OpenAI internal production benchmark for search-tool use and function calling in agentic workflows.
Updated Sep 5, 2026
Models3
Model coverage3
MetricScore
EvidenceB
Search and Function-Calling Ranking
Higher score ranks better on this benchmark.
Sort by
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelOP | Score94.60% | Percentile100.00% | Participants3 | EvidenceC | Evaluated |
| Rank02 | ModelOP | Score91.00% | Percentile50.00% | Participants3 | EvidenceC | Evaluated |
| Rank03 | ModelOP | Score89.70% | Percentile0.00% | Participants3 | EvidenceC | Evaluated |
Search and Function-Calling Highlights
The leading models and scores on this benchmark.
Search and Function-Calling Score Distribution
A closer view of the leading scores on this benchmark.
The Top AI Models for Search and Function-Calling
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
What is Search and Function-Calling?
What Search and Function-Calling measures and how its scores work.
Search and Function-Calling is an OpenAI internal production benchmark.
It measures reliable search-tool use and function calling in agentic workflows, reported as a pass rate.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
- Family
- Search and Function-Calling
- Modality
- text
- Primary category
- agents
- Score direction
- higher
- LLMBoard eligible
- No
- Evaluation key
- overall
LLM Stats. Benchmark scores retain their original unit. Overall score eligibility is shown separately.
FAQ
Common questions about Search and Function-Calling.
Which model scores highest on Search and Function-Calling?
GPT-5.6 Terra is currently ranked first with 94.60%.
What are the top three models on Search and Function-Calling?
The current leaders are GPT-5.6 Terra (94.60%), GPT-5.6 Sol (91.00%), and GPT-5.6 Luna (89.70%).
Which Search and Function-Calling model has the lowest official input price?
GPT-5.6 Luna has the lowest matched official input price at $0.20 input / $1.2 output per 1M tokens.
Which models are fastest among Search and Function-Calling results?
The fastest matched records are GPT-5.6 Terra (99.35 tok/s via OpenAI), GPT-5.6 Luna (41.87 tok/s via OpenAI), and GPT-5.6 Sol (2.36 tok/s via OpenAI).
Does the highest score result prove overall model quality?
No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.