bmonikraj/qwen3-8b-search-plan-act

TEXT GENERATIONPricing:Input $0.468 / Output $1.82Concurrent Unit Cost:1Model Size:8BQuant:FP8Context Size:32kTool Calling:SupportedPublished:Aug 3, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

bmonikraj/qwen3-8b-search-plan-act is an 8 billion parameter Qwen3 model, fine-tuned using GRPO on the `search_plan_act` task. This model is specifically optimized for multi-turn tool-calling scenarios, enabling it to search for facts, manipulate records, and achieve goals through iterative tool use. It demonstrates significant performance improvements in complex reasoning and tool-use benchmarks like MuSiQue and BALROG BabyAI, making it suitable for applications requiring advanced planning and action capabilities.

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Model Overview

This model is a full-weight checkpoint of Qwen/Qwen3-8B, fine-tuned using GRPO (Generative Reinforcement Learning with Policy Optimization) on the search_plan_act task. It is designed for complex, multi-turn interactions where the model needs to perform actions like searching for information, reading/updating records, and linking entities to achieve a specific goal.

Key Capabilities

  • Advanced Tool-Calling: Trained with TRL's multi-turn environment_factory tool-calling API, enabling sophisticated interaction with external tools.
  • Procedural Task Execution: Excels at search_plan_act tasks, which involve iterative tool calls until a goal is met or the task is abandoned.
  • Reward-Decomposed Training: Utilizes a reward system that considers outcome, grounding, and stop-behavior components, preventing reward-hacking strategies.
  • Improved Reasoning: Demonstrates substantial performance gains on benchmarks like MuSiQue (EM / F1: 0.108 / 0.191 pre-RL to 0.338 / 0.456 post-RL) and BALROG BabyAI (mean episode return: 0.000 pre-RL to 0.020 post-RL), indicating enhanced reasoning and planning abilities.

Good For

  • Applications requiring models to perform sequential, goal-oriented actions using external tools.
  • Tasks involving information retrieval, record management, and complex decision-making in a closed-book setting.
  • Developing agents that can plan and execute multi-step strategies to solve problems.