ToolOrchestra: Elevating Intelligence via Efficient Model and Tool Orchestration Description Orchestrator 8B is a state of the art 8B parameter orchestration model designed to solve complex, multi turn agentic tasks by coordinating a diverse set of expert models and tools. On the Humanity's Last Exam (HLE) benchmark, ToolOrchestrator 8B achieves a score of 37.1%, outperforming GPT 5 (35.1%) while being approximately 2.5x more efficient. This model is for research and development only. Key Features Intelligent Orchestration: Capable of managing heterogeneous toolsets including basic tools (search, code execution) and other LLMs (specialized and generalist). Multi Objective RL Training: Trained via Group Relative Policy Optimization (GRPO) with a novel reward function that optimizes for accuracy, latency/cost, and adherence to user preferences. Efficiency: Delivers higher accuracy at significantly lower computational cost compared to monolithic frontier models. Robust Generalization: Demonstrated ability to generalize to unseen tools and pricing configurations. Benchmark On Humanity’s Last Exam, Orchestrator 8B achieves 37.1%, surpassing GPT 5 (35.1%) with only 30% monetary cost and…
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