laion/Qwen3-32B-R2EGYM-256-3epochs

TEXT GENERATIONPricing:Input $0.408 / Cached $0.0816 / Output $1.972Concurrent Unit Cost:2Model Size:32BQuant:FP8Context Size:32kTool Calling:SupportedPublished:Mar 6, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

laion/Qwen3-32B-R2EGYM-256-3epochs is a 32 billion parameter Qwen3-based causal language model, fine-tuned by laion using the SkyRL framework. This model specializes in coding and reasoning tasks, leveraging asynchronous PPO on the R2EGYM benchmark. It is optimized for terminal-based coding agent interactions within sandboxed environments, offering enhanced performance for programming challenges.

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Model Overview

This model, laion/Qwen3-32B-R2EGYM-256-3epochs, is a reinforcement learning fine-tuned variant of the 32 billion parameter Qwen/Qwen3-32B base model. It was developed by laion using the SkyRL framework, which employs a fully asynchronous PPO strategy.

Key Capabilities & Training

  • Specialized Fine-tuning: The model is specifically trained on coding and reasoning tasks derived from the R2EGYM benchmark, utilizing a subset of 256 tasks from open-athena/r2egym_gpt5_codex_solved_tasks_256_subset.
  • Agent-Based Interaction: It integrates with Terminus-2, a terminal-based coding agent, enabling it to interact with sandboxed Docker environments to solve programming problems. Training included an enabled "thinking mode" for this agent.
  • Reinforcement Learning: The fine-tuning process involved 3 epochs and 12 total steps, using FSDP2 with CPU offload for parallelism.
  • Extended Context: The model supports a maximum generate length of 30,720 tokens and utilizes YARN RoPE scaling with a factor of 4.0, building upon the original 32,768 token context of Qwen3-32B.

Use Cases

This model is designed as a direct replacement for Qwen3-32B, offering improved capabilities in:

  • Coding task resolution
  • Automated reasoning in programming contexts
  • Interacting with terminal-based coding environments