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Web Agent on WorkArena L1

38.8Success RateWEASEL (10K steps)
0.94410.77220.630.428May 19, 2026

Evaluation results

MethodLinks
WEASEL (10K steps)Model=Qwen3-8B, # Data=10K, # Epochs=2, Time=8.3 hr, Speed-up=10.7×2026.0538.8
Qwen3-8BModel=Qwen3-8B2026.0535.2
Pruning + LLM-Judge (10K steps)Model=Qwen3-8B, # Data=10K, # Epochs=2, Time=7.0 hr, Speed-up=12.6×2026.0535.2
Pruning + Sampling (10K steps)Model=Qwen3-8B, # Data=10K, # Epochs=2, Time=7.0 hr, Speed-up=12.6×2026.0533.9
Full (52K steps)Model=Qwen3-8B, # Data=52K, # Epochs=2, Time=88.5 hr, Speed-up=1.0×2026.0533.3
Pruning (52K steps)Model=Qwen3-8B, # Data=52K, # Epochs=2, Time=44.0 hr, Speed-up=2.0×2026.0515.5
Pruning (52K steps)Model=Qwen2.5-7B-Instruct, # Data=52K, # Epochs=4, Time=62.0 hr, Speed-up=2.2×2026.0512.4
WEASEL (10K steps)Model=Qwen2.5-7B-Instruct, # Data=10K, # Epochs=4, Time=12.0 hr, Speed-up=11.3×2026.0512.4
Full (52K steps)Model=Qwen2.5-7B-Instruct, # Data=52K, # Epochs=4, Time=136.0 hr, Speed-up=1.0×2026.0512.1
Pruning + Sampling (10K steps)Model=Qwen2.5-7B-Instruct, # Data=10K, # Epochs=4, Time=12.0 hr, Speed-up=11.3×2026.059.8
Pruning + LLM-Judge (10K steps)Model=Qwen2.5-7B-Instruct, # Data=10K, # Epochs=4, Time=12.0 hr, Speed-up=11.3×2026.058.5
Qwen2.5-7B-InstructModel=Qwen2.5-7B-Instruct2026.054.8
Pruning + LLM-Judge (10K steps)Model=Gemma3-4B-IT, # Data=10K, # Epochs=2, Time=6.4 hr, Speed-up=12.5×2026.054.5
WEASEL (10K steps)Model=Gemma3-4B-IT, # Data=10K, # Epochs=2, Time=6.4 hr, Speed-up=12.5×2026.054.5
Gemma3-4B-ITModel=Gemma3-4B-IT2026.053.6
Full (52K steps)Model=Gemma3-4B-IT, # Data=52K, # Epochs=2, Time=80.0 hr, Speed-up=1.0×2026.053.3
Pruning (52K steps)Model=Gemma3-4B-IT, # Data=52K, # Epochs=2, Time=30.0 hr, Speed-up=2.7×2026.052.7
Pruning + Sampling (10K steps)Model=Gemma3-4B-IT, # Data=10K, # Epochs=2, Time=6.4 hr, Speed-up=12.5×2026.052.4