AI BENCHY Compare
OpenAI: GPT-5 Mini vs OpenAI: gpt-oss-120b
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Last updated at: 2026-03-03
| Metric | OpenAI: GPT-5 Mini medium Release: 2025-08-07 | OpenAI: gpt-oss-120b medium Release: 2025-08-05 Free Available |
|---|---|---|
| Rank | #33 | #34 |
| Avg Score | 5.77 | 5.64 |
| Consistency | 8.79 | 7.55 |
| Cost per result | 1.200 | 0.101 |
| Total Cost | $0.084 | $0.008 |
| Tests Correct | ||
| Attempt pass rate | 57.1% | 59.5% |
| Flaky tests | 2 | 4 |
| Output Tokens | 4,723 | 11,407 |
| Reasoning Tokens | 35,392 | 26,106 |
Score vs Total Cost
Category Breakdown
| Anti-AI Tricks | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5 Mini | 7.00 | 9.62 | 66.7% | 0 | 1,645 | 5,824 | |
| OpenAI: gpt-oss-120b | 7.00 | 9.81 | 66.7% | 0 | 3,463 | 2,077 |
| Data parsing and extraction | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5 Mini | 9.88 | 10.00 | 100.0% | 0 | 453 | 3,200 | |
| OpenAI: gpt-oss-120b | 5.50 | 5.87 | 66.7% | 1 | 241 | 1,114 |
| Domain specific | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5 Mini | 1.00 | 7.21 | 22.2% | 1 | 293 | 14,016 | |
| OpenAI: gpt-oss-120b | 1.00 | 4.41 | 22.2% | 2 | 6,018 | 18,520 |
| Instructions following | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5 Mini | 7.00 | 6.64 | 66.7% | 1 | 318 | 4,992 | |
| OpenAI: gpt-oss-120b | 10.00 | 10.00 | 100.0% | 0 | 120 | 1,770 |
| Puzzle Solving | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5 Mini | 4.33 | 9.78 | 33.3% | 0 | 1,527 | 5,760 | |
| OpenAI: gpt-oss-120b | 5.00 | 7.13 | 44.4% | 1 | 1,278 | 1,542 |
| Tool Calling | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5 Mini | 10.00 | 10.00 | 100.0% | 0 | 487 | 1,600 | |
| OpenAI: gpt-oss-120b | 9.00 | 9.97 | 100.0% | 0 | 287 | 1,083 |
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