Data to …… trials

Cross-model atlas

Where each model breaks. Pick a query kind and a difficulty dimension; every model with campaign data is binned into the same difficulty buckets so the cells are directly comparable.

Map another model →
6
Models compared
8
Query kinds
79%
7,285/9,195
Campaign pass rate
143
Boundaries fitted
Query kind BeliefCode repairCode traceInteractiveOrderRepository fixStateTool plan
Difficulty dial aliasing onanswer sizedistractor fractionidentifier confusabilityinclusive range trap onlate binding onmax nestingmutable default onn closuresn live aliasesn statementsn variablesnegative modulo onshadowing ontrace lengthtraps onn foil matchesopaque literal onchain depthcritical path depthindex mathloop branchmisleading commentsneutral commentssign chainstack depthwhile onbug distancehidden inputsn bugsconditionevidence spanevidence turns
Pass rate by difficulty · Code trace / bug distance1 models × 6 buckets · 42 trials

Gemma 4 31B QAT breaks first: its pass rate crosses 50% at bug distance = 21.12. Darker red = lower pass rate. Click any cell for the trials behind it.

1–33–66–99–1212–1313–22BUG DISTANCE → HARDERGemma 4 31B QAToverall 74% · n=42gemma-4-31b-it-qat-w4a16-ct - bug_distance 1–3: 66.7% pass (n=9)67%n=9gemma-4-31b-it-qat-w4a16-ct - bug_distance 3–6: 90.9% pass (n=11)91%n=11gemma-4-31b-it-qat-w4a16-ct - bug_distance 6–9: 50.0% pass (n=2)50%n=2gemma-4-31b-it-qat-w4a16-ct - bug_distance 9–12: 69.2% pass (n=13)69%n=13gemma-4-31b-it-qat-w4a16-ct - bug_distance 12–13: 33.3% pass (n=3)33%n=3gemma-4-31b-it-qat-w4a16-ct - bug_distance 13–22: 100.0% pass (n=4)100%n=4gemma-4-31b-it-qat-w4a16-ct: fitted frontier at bug_distance=21.12

6 populated cells · 1 fitted frontier(s) in range · hover a cell for exact counts

Degradation curve · model vs. modelsame buckets

The same cells as slopes, for reading two models against each other. Toggle a model off to narrow the comparison.

100%50%0%break1–33–66–99–1212–1313–22BUG DISTANCEgemma-4-31b-it-qat-w4a16-ct - bug_distance 1–3: 66.7% pass (n=9)gemma-4-31b-it-qat-w4a16-ct - bug_distance 3–6: 90.9% pass (n=11)gemma-4-31b-it-qat-w4a16-ct - bug_distance 6–9: 50.0% pass (n=2)gemma-4-31b-it-qat-w4a16-ct - bug_distance 9–12: 69.2% pass (n=13)gemma-4-31b-it-qat-w4a16-ct - bug_distance 12–13: 33.3% pass (n=3)gemma-4-31b-it-qat-w4a16-ct - bug_distance 13–22: 100.0% pass (n=4)Gemma 4 31B QATfrontier 21.12
Summary · model x query kind32 pairs
modelquery_kindpass ratentotal cost
Nemotron 3 Nano 30Bbelief800/89589.4%927$0.189034
Nemotron 3 Nano 30Binteractive92/11977.3%133$0.774886
Nemotron 3 Nano 30Border156/15898.7%160$0.022909
Nemotron 3 Nano 30Bstate90/90100.0%90$0.014016
Nemotron 3 Nano 30Btool_plan402/61565.4%637$0.348336
Nemotron 3 Ultra 550Bbelief308/31199.0%316$0.815803
Nemotron 3 Ultra 550Binteractive0/00.0%10$0.432233
Nemotron 3 Ultra 550Border80/80100.0%80$0.085632
Nemotron 3 Ultra 550Bstate30/30100.0%30$0.043059
Nemotron 3 Ultra 550Btool_plan260/29189.3%291$1.094840
Gemma 4 31B QATbelief544/89860.6%898$0.028576
Gemma 4 31B QATcode_repair21/6532.3%72$0.036091
Gemma 4 31B QATcode_trace792/81996.7%823$0.201881
Gemma 4 31B QATinteractive352/61857.0%675$1.073585
Gemma 4 31B QATorder199/20995.2%209$0.008847
Gemma 4 31B QATrepo_fix52/18228.6%204$1.966217
Gemma 4 31B QATstate124/124100.0%124$0.004818
Gemma 4 31B QATtool_plan699/86480.9%867$0.170132
Gemma 3 27Bbelief142/30746.3%307$0.007658
Gemma 3 27Bcode_trace183/24574.7%245$0.062598
Gemma 3 27Binteractive104/11292.9%115$0.913870
Gemma 3 27Border79/8098.8%80$0.004680
Gemma 3 27Bstate25/4555.6%45$0.002148
Gemma 3 27Btool_plan219/39755.2%397$0.069666
gpt-oss-120bbelief195/20197.0%202$0.046658
gpt-oss-120border79/8098.8%80$0.015004
gpt-oss-120bstate60/60100.0%60$0.025043
Nemotron 3 Super 120Bbelief435/45196.5%451$0.157160
Nemotron 3 Super 120Binteractive133/13797.1%148$1.080437
Nemotron 3 Super 120Border79/8098.8%80$0.018572
Nemotron 3 Super 120Bstate91/9595.8%95$0.033380
Nemotron 3 Super 120Btool_plan460/53785.7%551$0.515123