AI BENCHY Compare
Inception: Mercury 2 vs StepFun: Step 3.5 Flash
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Last updated at: 2026-03-05
| Metric | Inception: Mercury 2 none Release: 2026-02-24 | StepFun: Step 3.5 Flash medium Release: 2026-02-01 Free Available |
|---|---|---|
| Rank | #50 | #13 |
| Avg Score | 31 | 74 |
| Consistency | 89 | 94 |
| Cost per result | 0.196 | 0.000 |
| Total Cost | $0.006 | $0.000 |
| Tests Correct | ||
| Attempt pass rate | 26.7% | 68.9% |
| Flaky tests | 2 | 1 |
| Output Tokens | 1,144 | 69,238 |
| Reasoning Tokens | 0 | 152,563 |
Score vs Total Cost
Category Breakdown
| Anti-AI Tricks | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 100 | 100 | 0.0% | 0 | 274 | 0 | |
| StepFun: Step 3.5 Flash | 100 | 100 | 100.0% | 0 | 13,924 | 17,208 |
| Combined | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 100 | 100 | 0.0% | 0 | 131 | 0 | |
| StepFun: Step 3.5 Flash | 100 | 100 | 100.0% | 0 | 1,176 | 12,984 |
| Data parsing and extraction | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 55 | 59 | 83.3% | 1 | 180 | 0 | |
| StepFun: Step 3.5 Flash | 100 | 100 | 100.0% | 0 | 600 | 13,886 |
| Domain specific | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 40 | 72 | 44.4% | 1 | 46 | 0 | |
| StepFun: Step 3.5 Flash | 40 | 72 | 44.4% | 1 | 45,350 | 90,436 |
| Instructions following | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 35 | 100 | 0.0% | 0 | 82 | 0 | |
| StepFun: Step 3.5 Flash | 85 | 100 | 50.0% | 0 | 2,284 | 3,412 |
| Puzzle Solving | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 100 | 100 | 0.0% | 0 | 234 | 0 | |
| StepFun: Step 3.5 Flash | 40 | 100 | 33.3% | 0 | 5,629 | 10,835 |
| Tool Calling | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 100 | 100 | 100.0% | 0 | 197 | 0 | |
| StepFun: Step 3.5 Flash | 100 | 100 | 100.0% | 0 | 275 | 3,802 |
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