ResearchBenchmarksFunction Calling on BFCL (Accuracy and Cost)Function Calling on BFCL (Accuracy and Cost)Follow70AccuracyClaude Opus 4.6 (tied; Qwen3 Next: 32× cheaper)57.5260.766467.24Apr 7, 2026Apr 20, 2026May 3, 2026May 16, 2026May 29, 2026Jun 11, 2026Jun 25, 2026Evaluation resultsMethodMethodLinksAccuracyBF Cost ($)Claude Opus 4.6 (tied; Qwen3 Next: 32× cheaper)Tuple=1, Combos=9Tuple=1, Combos=92026.047084.8DPO+Backbone=Qwen3-8BBackbone=Qwen3-8B2026.0667—FRODOBackbone=Qwen3-8BBackbone=Qwen3-8B2026.0664—DPOBackbone=Qwen3-8BBackbone=Qwen3-8B2026.0662—SFT+Backbone=Qwen3-8BBackbone=Qwen3-8B2026.0662—SFTBackbone=Qwen3-8BBackbone=Qwen3-8B2026.0658—