#10 GPT-5.5
medium- Cost
- $0.112
- Time
- 71.9s
- Tokens
- 3,807 tok
OpenAI: GPT-5.5 vs xAI: Grok 4.5
GPT-5.5 (medium) leads on average score with 9.0 vs 8.4. Grok 4.5 (low) has the lower benchmark cost at $0.935 vs $4.137. Grok 4.5 (low) is faster at 15.56s vs 38.42s, with pass rates of 87.9% vs 75.8%.
Recommended modelGrok 4.5 (low)Its score stays close to the best score here (8.4 vs 9.0), while costing about 4.4x less than GPT-5.5 (medium).
Last updated at: 2026-07-17
| Metric | GPT-5.5 GPT-5.5 medium | Grok 4.5 Grok 4.5 low |
|---|---|---|
| Score | 9.0 | 8.4 |
| Rank | #10 | #20 |
| Reliability | 10.0 | 10.0 |
| Consistency | 8.9 | 9.7 |
| Tests Correct | ||
| Attempt pass rate | 87.9% | 75.8% |
| Flaky tests | 3 | 1 |
| Total Runs | 66 | 66 |
| Cost per result | 22.980 | 5.844 |
| Total Cost | $4.137 | $0.935 |
| Input Price | $5.000 / 1M | $2.000 / 1M |
| Output Price | $30.000 / 1M | $6.000 / 1M |
| Total Input Tokens | 80,659 | 125,596 |
| Output Tokens | 5,617 | 7,505 |
| Reasoning Tokens | 118,819 | 106,446 |
| Response Time (avg) | 38.42s | 15.56s |
| Response Time (max) | 332.10s | 205.28s |
| Response Time (total) | 845.35s | 342.32s |
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
#20 xAI: Grok 4.5
low- Cost
- $0.011
- Time
- 12.4s
- Tokens
- 2,018 tok
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