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noul: yes or no

Each model reads the abstract of a medical study and answers a yes-or-no question about it, saying how likely yes is. All models get the same 300 questions, 5 times each, and we check every answer against human labels. The questions come from PubMedQA.

Score vs price

Up and to the left is better. The line joins the best value at each price.

System One LLM Top 2 for that metric (score, cost, speed)

45505560657075$0.02$0.05$0.1$0.2$0.5$1$ per 1k decisions, log scale →Gemini 3.8 Flash: Decision Score 73.0 · $0.8 per 1k decisionsGemini 3.8 FlashJev: Decision Score 69.0 · $0.029 per 1k decisionsJevQwen3.8 Flash: Decision Score 62.4 · $0.086 per 1k decisionsQwen3.8 FlashGLM-5.3: Decision Score 60.6 · $0.51 per 1k decisionsGLM-5.3Mistral Medium 3.5: Decision Score 58.0 · $0.87 per 1k decisionsMistral Medium 3.5Mercury 2.5: Decision Score 55.7 · $0.023 per 1k decisionsMercury 2.5DeepSeek V4.1 Flash: Decision Score 47.5 · $0.078 per 1k decisionsDeepSeek V4.1 Flash

Automation at 95% accuracy

Share of questions each model can answer alone and stay 95% right. It answers only above its confidence cut-off; the rest go to a person.

Jev86%acts at confidence ≥ 0.75
Gemini 3.8 Flash79%acts at confidence ≥ 0.86
Mistral Medium 3.565%acts at confidence ≥ 0.91
GLM-5.345%acts at confidence ≥ 0.91
Mercury 2.519%acts at confidence ≥ 0.99
Qwen3.8 Flash—never reaches 95%
DeepSeek V4.1 Flash—never reaches 95%

Ranking

System One LLM Baseline Top 2 for that metric (score, cost, speed)

Ordered by wins (top-2 finishes across score, accuracy, calibration gap, cost and speed), then Decision Score. Select a model for details; select a column header to sort.
ModelWins95% range of the Decision Score
1
Jev
System One TypeSafe AI
4
69.091.3%5.0$0.029653 ms
Accuracy91.3%95% range 87.9–94.3%
Calibration gap5.0 ptslower is better · 0.0% of answers at confidence 1.00
10said 55%, right 58% (48 answers)said 65%, right 73% (109 answers)said 75%, right 82% (170 answers)said 86%, right 91% (371 answers)said 94%, right 98% (802 answers)
Automation at 95%86%of decisions, acting at confidence ≥ 0.75 (right 95.0%)shared gate ≥ 0.91: acts on 49%, right 98.6%
Speed438 msmedian · p95 653 ms
Stability0.0%of answers change on an identical rerun
Valid output100.0%0.0% refused · 1,500 of 1,500 answered
Setupai-sdk experimental_evaluate ai@7.0.106 · native probabilities via Vercel AI Gateway · reasoning — · temperature — · 300 items × 5 runs · 2026-09-18 · served as typesafe-ai/jevmodel pagepubmedqa run log
2
Gemini 3.8 Flash
LLM Google · reasoning low
3
73.092.5%2.0$0.85.5 s
Accuracy92.5%95% range 89.3–95.3%
Calibration gap2.0 ptslower is better · 0.8% of answers at confidence 1.00
10said 55%, right 50% (2 answers)said 63%, right 100% (3 answers)said 73%, right 57% (7 answers)said 85%, right 78% (306 answers)said 96%, right 97% (1182 answers)
Automation at 95%79%of decisions, acting at confidence ≥ 0.86 (right 96.6%)shared gate ≥ 0.91: acts on 73%, right 97.1%
Speed1.9 smedian · p95 5.5 s
Stability1.7%of answers change on an identical rerun
Valid output100.0%0.0% refused · 1,500 of 1,500 answered
Setupjevals-llm 0383a0e3e592 · verbalized probabilities via OpenRouter · Google AI Studio · reasoning low (mandatory) · temperature provider default · 300 items × 5 runs · 2026-09-18 · served as google/gemini-3.8-flashmodel pagepubmedqa run log
=3
GLM-5.3
LLM Z.ai · reasoning low
1
60.688.7%2.0$0.512.9 s
Accuracy88.7%95% range 85.3–91.6%
Calibration gap2.0 ptslower is better · 0.3% of answers at confidence 1.00
10said 55%, right 67% (3 answers)said 61%, right 71% (34 answers)said 72%, right 70% (99 answers)said 84%, right 80% (372 answers)said 94%, right 95% (992 answers)
Automation at 95%45%of decisions, acting at confidence ≥ 0.91 (right 96.7%)shared gate ≥ 0.91: acts on 45%, right 96.7%
Speed1.8 smedian · p95 2.9 s
Stability5.3%of answers change on an identical rerun
Valid output100.0%0.0% refused · 1,500 of 1,500 answered
Setupjevals-llm 0383a0e3e592 · verbalized probabilities via OpenRouter · Novita (fp8) · reasoning low (mandatory) · temperature provider default · 300 items × 5 runs · 2026-09-18 · served as z-ai/glm-5.3model pagepubmedqa run log
=3
Mistral Medium 3.5
LLM Mistral AI · no reasoning
1
58.088.8%5.2$0.87917 ms
Accuracy88.8%95% range 85.3–92.2%
Calibration gap5.2 ptslower is better · 14.2% of answers at confidence 1.00
10said 61%, right 90% (41 answers)said 70%, right 73% (49 answers)said 80%, right 77% (83 answers)said 95%, right 90% (1327 answers)
Automation at 95%65%of decisions, acting at confidence ≥ 0.91 (right 95.5%)shared gate ≥ 0.91: acts on 65%, right 95.5%
Speed533 msmedian · p95 917 ms
Stability1.0%of answers change on an identical rerun
Valid output100.0%0.0% refused · 1,500 of 1,500 answered
Setupjevals-llm 0383a0e3e592 · verbalized probabilities via OpenRouter · Mistral · reasoning none · temperature provider default · 300 items × 5 runs · 2026-09-18 · served as mistralai/mistral-medium-3-5model pagepubmedqa run log
=3
Mercury 2.5
LLM Inception · no reasoning
1
55.787.1%4.7$0.0231.0 s
Accuracy87.1%95% range 84.0–90.1%
Calibration gap4.7 ptslower is better · 1.1% of answers at confidence 1.00
10said 54%, right 20% (10 answers)said 63%, right 63% (68 answers)said 73%, right 69% (67 answers)said 84%, right 77% (187 answers)said 96%, right 92% (1168 answers)
Automation at 95%19%of decisions, acting at confidence ≥ 0.99 (right 95.8%)shared gate ≥ 0.91: acts on 72%, right 92.5%
Speed584 msmedian · p95 1.0 s
Stability10.0%of answers change on an identical rerun
Valid output100.0%0.0% refused · 1,500 of 1,500 answered
Setupjevals-llm 0383a0e3e592 · verbalized probabilities via OpenRouter · Inception · reasoning none · temperature provider default · 300 items × 5 runs · 2026-09-18 · served as inception/mercury-2.5model pagepubmedqa run log
=6
Qwen3.8 Flash
LLM Alibaba · no reasoning
0
62.489.7%2.5$0.0863.5 s
Accuracy89.7%95% range 86.3–92.7%
Calibration gap2.5 ptslower is better · 0.7% of answers at confidence 1.00
10said 52%, right 0% (1 answers)said 65%, right 70% (30 answers)said 73%, right 80% (10 answers)said 85%, right 79% (332 answers)said 95%, right 94% (1127 answers)
Automation at 95%—never reaches 95% accuracyshared gate ≥ 0.91: acts on 72%, right 93.9%
Speed1.1 smedian · p95 3.5 s
Stability4.7%of answers change on an identical rerun
Valid output100.0%0.0% refused · 1,500 of 1,500 answered
Setupjevals-llm 0383a0e3e592 · verbalized probabilities via OpenRouter · Alibaba · reasoning none · temperature provider default · 300 items × 5 runs · 2026-09-18 · served as qwen/qwen3.8-flashmodel pagepubmedqa run log
=6
DeepSeek V4.1 Flash
LLM DeepSeek · no reasoning
0
47.583.7%6.2$0.0781.1 s
Accuracy83.7%95% range 79.9–87.3%
Calibration gap6.2 ptslower is better · 19.5% of answers at confidence 1.00
10said 52%, right 14% (7 answers)said 62%, right 41% (51 answers)said 71%, right 66% (145 answers)said 84%, right 72% (304 answers)said 96%, right 92% (993 answers)
Automation at 95%—never reaches 95% accuracyshared gate ≥ 0.91: acts on 54%, right 93.0%
Speed838 msmedian · p95 1.1 s
Stability6.7%of answers change on an identical rerun
Valid output100.0%0.0% refused · 1,500 of 1,500 answered
Setupjevals-llm 0383a0e3e592 · verbalized probabilities via OpenRouter · DeepSeek · reasoning none · temperature provider default · 300 items × 5 runs · 2026-09-18 · served as deepseek/deepseek-v4.1-flashmodel pagepubmedqa run log
—
Label prior
Baseline
—
← 0 = guessing, off the scale
0.062.0%0.0——
Accuracy62.0%95% range 56.7–67.3%
Calibration gap0.0 ptslower is better · 0.0% of answers at confidence 1.00
Automation at 95%—no probabilitiesshared gate ≥ 0.91: acts on 0%
Speed—median · p95 —
Stability0.0%of answers change on an identical rerun
Valid output100.0%0.0% refused · 1,500 of 1,500 answered
Setupconstant probabilities · reasoning — · temperature — · 300 items × 5 runsmodel page

Wins: a model wins a column when it is one of the two best in it: the highest score, the highest accuracy, the smallest calibration gap, the lowest price or the fastest speed. Ties count for everyone tied. The table is ordered by wins, then by score; models with as many wins share a place, so =3 means tied for third.

Release 2026-09-18 · suite 0.1.0 · board.json · permalink · explore every question · how we score