#73 Claude Opus 4.8
none- Cost
- $0.053
- Time
- 22.0s
- Tokens
- 2,253 tok
AI BENCHY Compare
Anthropic: Claude Opus 4.8 vs xAI: Grok 4.20
Summary
Grok 4.20 (medium) leads on average score with 7.3 vs 7.2. Claude Opus 4.8 has the lower benchmark cost at $0.539 vs $0.609. Claude Opus 4.8 is faster at 3.48s vs 27.68s, with pass rates of 61.9% vs 63.5%.
Recommended modelClaude Opus 4.8Its score stays close to the best score here (7.2 vs 7.3), while responding about 8.0x faster than Grok 4.20 (medium).
Last updated at: 2026-07-14
| Metric | Claude Opus 4.8 Claude Opus 4.8 none | Grok 4.20 Grok 4.20 medium |
|---|---|---|
| Score | 7.2 | 7.3 |
| Rank | #73 | #69 |
| Reliability | 10.0 | 10.0 |
| Consistency | 9.2 | 8.8 |
| Tests Correct | ||
| Attempt pass rate | 61.9% | 63.5% |
| Flaky tests | 2 | 3 |
| Total Runs | 63 | 63 |
| Cost per result | 4.485 | 8.309 |
| Total Cost | $0.539 | $0.609 |
| Input Price | $5.000 / 1M | $1.250 / 1M |
| Output Price | $25.000 / 1M | $2.500 / 1M |
| Total Input Tokens | 67,104 | 44,433 |
| Output Tokens | 8,107 | 1,819 |
| Reasoning Tokens | 0 | 219,524 |
| Response Time (avg) | 3.48s | 27.68s |
| Response Time (max) | 17.73s | 199.66s |
| Response Time (total) | 73.00s | 581.26s |
Generation showcase
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
#69 xAI: Grok 4.20
medium- Cost
- $0.041
- Time
- 110.3s
- Tokens
- 16,336 tok
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Category Breakdown
| Coding | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Response Time (avg) | Input Tokens | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|---|---|
| Claude Opus 4.8 | 5.5 | 10.0 | 33.3% | 0 | 3.29s | 10,590 | 1,332 | 0 | |
| Grok 4.20 | 6.3 | 6.6 | 55.6% | 1 | 109.93s | 8,307 | 268 | 103,150 |
Quick Compare
Switch Comparison Pair
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