Claude Opus 4.1 20250805

contamination=Potential contamination warning: This model was evaluated after the public release of MASK, allowing model builder access to the prompts and solutions.

contamination=Potential contamination warning: This model was evaluated after the public release of MASK, allowing model builder access to the prompts and solutions.

arena=text · category=coding · style_control=true

arena=text · category=industry_software_and_it_services · style_control=true

arena=text · category=hard_prompts_english · style_control=true

arena=text · category=hard_prompts · style_control=true

arena=text · category=industry_medicine_and_healthcare · style_control=true

arena=text · category=longer_query · style_control=true

arena=text · category=multi_turn · style_control=true

arena=text · category=expert · style_control=true

arena=text · category=chinese · style_control=true

arena=text · category=spanish · style_control=true

arena=text · category=industry_life_and_physical_and_social_science · style_control=true

arena=text · category=french · style_control=true

arena=text · category=industry_legal_and_government · style_control=true

arena=text · category=english · style_control=true

arena=text · category=instruction_following · style_control=true

arena=text · category=russian · style_control=true

arena=text · category=polish · style_control=true

arena=text · category=exclude_ties · style_control=true

arena=text · category=overall · style_control=true

arena=text · category=industry_business_and_management_and_financial_operations · style_control=true

arena=text · category=industry_writing_and_literature_and_language · style_control=true

arena=text · category=creative_writing · style_control=true

arena=text · category=industry_mathematical · style_control=true

arena=text · category=german · style_control=true

arena=text · category=math · style_control=true

arena=text · category=industry_entertainment_and_sports_and_media · style_control=true

arena=text · category=non_english · style_control=true

arena=text · category=japanese · style_control=true

arena=text · category=korean · style_control=true

implementation=vals-ai

implementation=vals-ai

contamination=Potential contamination warning: This model was evaluated after the public release of HLE, allowing model builder access to the prompts and solutions. · implementation=scale

contamination=Potential contamination warning: This model was evaluated after the public release of HLE, allowing model builder access to the prompts and solutions. · implementation=scale

implementation=vals-ai

implementation=vals-ai

implementation=vals-ai

implementation=vals-ai

implementation=vals-ai

implementation=vals-ai

contamination=Potential contamination warning: This model was evaluated after the public release of EnigmaEval, allowing model builder access to the prompts and solutions.

contamination=Potential contamination warning: This model was evaluated after the public release of EnigmaEval, allowing model builder access to the prompts and solutions.

implementation=vals-ai

implementation=vals-ai