Nexus Function Calling - Overall: leaderboard

Nexus Function Calling mean exact-match accuracy across all nine primary API task sets, including Heldout Combined. Only models with all nine scores receive an overall; individual task results remain available for incomplete cohorts.

Metric: Mean Nine-Task Function Call Accuracy (%). Source: huggingface.co. Saturation forecast: Estimated already saturated. 3 models tracked.

Top models

#ModelScoreOverall rank
1NexusRaven-V2-13B58.2#1382
2GPT-4 Preview (1106)54.18#418
3GPT-3.5 Turbo (1106)37.45#961

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=nexus-function-calling-overall · How It Works · Data refreshed daily, snapshot 2026-10-20.