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Inception: Mercury 2 vs xAI: Grok 4.1 Fast
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Last updated at: 2026-03-05
| Metric | Inception: Mercury 2 medium Release: 2026-02-24 | xAI: Grok 4.1 Fast none Release: 2025-11-19 |
|---|---|---|
| Rank | #35 | #53 |
| Avg Score | 5.4 | 2.9 |
| Tests Correct | ||
| Consistency | 8.3 | 8.9 |
| Cost per result | 0.622 | 0.239 |
| Total Cost | $0.044 | $0.008 |
| Attempt pass rate | 57.8% | 26.7% |
| Flaky tests | 3 | 2 |
| common.totalAttempts | 45 (15 x 3) | 45 (15 x 3) |
| Output Tokens | 3,571 | 1,036 |
| Reasoning Tokens | 45,379 | 0 |
| Response Time (avg) | 2.47s | 2.01s |
| Response Time (max) | 14.63s | 5.51s |
| Response Time (total) | 34.56s | 16.06s |
Response Time (avg)
Score vs Total Cost
Avg Score vs Response Time (avg)
Category Breakdown
| Anti-AI Tricks | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Response Time (avg) | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 7.3 | 9.8 | 66.7% | 0 | 1.30s | 2,531 | 2,410 | |
| xAI: Grok 4.1 Fast | 1.3 | 10.0 | 0.0% | 0 | 1.73s | 229 | 0 |
| Combined | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Response Time (avg) | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 10.0 | 10.0 | 100.0% | 0 | 3.28s | 268 | 4,887 | |
| xAI: Grok 4.1 Fast | 10.0 | 10.0 | 0.0% | 0 | 3.33s | 105 | 0 |
| Data parsing and extraction | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Response Time (avg) | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 5.5 | 5.9 | 83.3% | 1 | 1.11s | 183 | 1,656 | |
| xAI: Grok 4.1 Fast | 9.9 | 10.0 | 100.0% | 0 | 943ms | 180 | 0 |
| Domain specific | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Response Time (avg) | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 10.0 | 7.2 | 11.1% | 1 | 6.48s | 41 | 30,754 | |
| xAI: Grok 4.1 Fast | 4.0 | 7.2 | 55.6% | 1 | 1.06s | 15 | 0 |
| Instructions following | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Response Time (avg) | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 10.0 | 10.0 | 100.0% | 0 | 1.07s | 14 | 958 | |
| xAI: Grok 4.1 Fast | 10.0 | 10.0 | 0.0% | 0 | 923ms | 56 | 0 |
| Puzzle Solving | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Response Time (avg) | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 1.7 | 7.5 | 22.2% | 1 | 934ms | 354 | 2,758 | |
| xAI: Grok 4.1 Fast | 1.3 | 10.0 | 0.0% | 0 | 1.28s | 243 | 0 |
| Tool Calling | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Response Time (avg) | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|---|
| Inception: Mercury 2 | 10.0 | 10.0 | 100.0% | 0 | 1.89s | 180 | 1,956 | |
| xAI: Grok 4.1 Fast | 10.0 | 1.6 | 33.3% | 1 | 5.51s | 208 | 0 |
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