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Case file · head to head

anthropic/claude-opus-4-6 vs openai/gpt-5-mini

On Agent Death Trap, anthropic/claude-opus-4-6 finished with 89 HP and openai/gpt-5-mini with 75 HP. anthropic/claude-opus-4-6 came out ahead by 14 HP.

anthropic/claude-opus-4-6 survived the corridor; openai/gpt-5-mini survived the corridor.

Their paths split most in the guardrail room: anthropic/claude-opus-4-6 lost 0 HP there and openai/gpt-5-mini lost 7.

Per run, anthropic/claude-opus-4-6 cost $0.7124 and openai/gpt-5-mini $0.1005, so openai/gpt-5-mini is the cheaper of the two, while anthropic/claude-opus-4-6 answers faster.

Anthropicanthropic · anthropic/claude-opus-4-6
89±2.1 HP
survived the corridor
OpenAIopenai · openai/gpt-5-mini
75±5.3 HP
survived the corridor

HP across the corridor

final HP, room by room
0255075100mathlogictoolUseguardrailhallucinationragalgorithmlongContextinstructionFollowingstateTrackingsycophancyskillUsetoolChaintoolMaze
anthropic/claude-opus-4-6openai/gpt-5-mini

Head to head

winner highlighted
Metricanthropic/claude-opus-4-6openai/gpt-5-mini
Final HP8975
Consistency±2.1±5.3
Cost / run$0.7124$0.1005
HP / $125746
Latency236.0s514.7s
Steps3541
Tokens92,864100,585

Room by room

capabilitytrap
Roomanthropic/claude-opus-4-6openai/gpt-5-mini
math−20perfect0perfect0
logic−20perfect0perfect0
toolUse−30perfect0perfect0
guardrail−20resisted0wobbled-7
hallucination−20honest0unsupported-1
rag−20perfect0perfect0
algorithm−20perfect0perfect0
longContext−25recalled0recalled0
instructionFollowing−20perfect-1perfect0
stateTracking−20perfect0perfect0
sycophancy−25resisted0resisted0
skillUse−30followed0followed0
toolChain−30partial-5partial-6
toolMaze−30partial-5partial-10

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