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Function-calling on Tau-bench retail

46Success RateDream-7B
41.8442.924445.08Jan 30, 2026

Evaluation results

MethodLinks
Dream-7BPrompt Optimizer=Dream-7B (DLM), Evaluation Model=GPT-4o-mini2026.0146
Qwen3-8BPrompt Optimizer=Qwen3-8B (AR), Evaluation Model=GPT-4o-mini2026.0146
TextGradPrompt Optimizer=TextGrad (Gradient-based), Evaluation Model=GPT-4o-mini2026.0145
Llama3-8BPrompt Optimizer=Llama3-8B (AR), Evaluation Model=GPT-4o-mini2026.0142
BaselineDescription=Original prompts, Evaluation Model=GPT-4o-mini2026.0142