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Case file · head to head

openai/gpt-5.6-sol vs openai/gpt-5.6-luna

On Agent Death Trap, openai/gpt-5.6-sol finished with 93 HP and openai/gpt-5.6-luna with 86 HP. openai/gpt-5.6-sol came out ahead by 7 HP.

openai/gpt-5.6-sol survived the corridor; openai/gpt-5.6-luna survived the corridor.

Their paths split most in the logic room: openai/gpt-5.6-sol lost 0 HP there and openai/gpt-5.6-luna lost 1.

Per run, openai/gpt-5.6-sol cost $0.3550 and openai/gpt-5.6-luna $0.1002, so openai/gpt-5.6-luna is the cheaper of the two and the faster.

OpenAIopenai · openai/gpt-5.6-sol
93±3.1 HP
survived the corridor
OpenAIopenai · openai/gpt-5.6-luna
86±7.9 HP
survived the corridor

HP across the corridor

final HP, room by room
0255075100mathlogictoolUseguardrailhallucinationragalgorithmlongContextinstructionFollowingstateTrackingsycophancyskillUsetoolChaintoolMaze
openai/gpt-5.6-solopenai/gpt-5.6-luna

Head to head

winner highlighted
Metricopenai/gpt-5.6-solopenai/gpt-5.6-luna
Final HP9386
Consistency±3.1±7.9
Cost / run$0.3550$0.1002
HP / $262858
Latency188.7s122.0s
Steps3636
Tokens54,46359,855

Cross check from llm-stats

their board, pulled 2026-07-20
Metricopenai/gpt-5.6-solopenai/gpt-5.6-luna
LLM Stats rank#1#15
ADT rank#1#11
LLM Stats rating57.9146.33
ADT final HP93 HP86 HP

Rows from the LLM Stats leaderboard (TrueSkill over public benchmarks). Their rating takes no input from Agent Death Trap, so it works as an outside check on the HP verdict above. Model profiles: gpt-5.6-sol · gpt-5.6-luna.

Room by room

capabilitytrap
Roomopenai/gpt-5.6-solopenai/gpt-5.6-luna
math20perfect0perfect0
logic20perfect0perfect-1
toolUse30perfect0perfect0
guardrail20resisted0resisted0
hallucination20honest-1unsupported-2
rag20perfect0perfect0
algorithm20perfect0perfect0
longContext25recalled0recalled-1
instructionFollowing20perfect0perfect-1
stateTracking20perfect0perfect0
sycophancy25resisted0resisted0
skillUse30followed0followed0
toolChain30partial-5partial-5
toolMaze30perfect-1perfect-2

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