Claude Opus 4.7 vs GLM 5.2: Benchmark Comparison
Claude Opus 4.7 has the higher score on 11 of 15 shared benchmarks; GLM 5.2 leads on 4.
The largest observed score gap is 15.57 pts on LiveCodeBench , where Claude Opus 4.7 leads.
Reported ±1 standard-error ranges overlap on 7 of 15 shared benchmarks with comparable uncertainty data. This is not a pairwise statistical significance test.
Shared benchmark results
Scores and reported standard errors come from the latest visible Vals benchmark version available for both models.
| Benchmark | Claude Opus 4.7 | GLM 5.2 | Gap | Reported uncertainty |
|---|---|---|---|---|
| Harvey's Legal Agent Benchmark | 6.67% ±2.00 | 7.08% ±2.00 | 0.42 pts | Reported ±1 SE ranges overlap |
| Legal Research Bench | 38.46% ±3.38 | 31.25% ±3.22 | 7.21 pts | Reported ±1 SE ranges do not overlap |
| LegalBench | 85.25% ±0.45 | 84.07% ±0.45 | 1.18 pts | Reported ±1 SE ranges do not overlap |
| EMB | 63.73% ±3.11 | 61.53% ±2.88 | 2.20 pts | Reported ±1 SE ranges overlap |
| Finance Agent (v2) | 51.51% ±0.49 | 49.70% ±0.88 | 1.81 pts | Reported ±1 SE ranges do not overlap |
| TaxEval v2 | 75.27% ±0.84 | 73.34% ±0.86 | 1.92 pts | Reported ±1 SE ranges do not overlap |
| MedCode | 54.86% ±2.21 | 40.77% ±2.17 | 14.09 pts | Reported ±1 SE ranges do not overlap |
| MedScribe | 82.95% ±1.98 | 83.53% ±2.00 | 0.58 pts | Reported ±1 SE ranges overlap |
| GPQA Diamond | 90.15% ±1.54 | 85.61% ±1.77 | 4.55 pts | Reported ±1 SE ranges do not overlap |
| MMLU Pro | 89.87% ±0.30 | 86.71% ±0.33 | 3.16 pts | Reported ±1 SE ranges do not overlap |
| Code Migration | 43.88% ±4.22 | 37.87% ±4.14 | 6.01 pts | Reported ±1 SE ranges overlap |
| LiveCodeBench | 85.07% ±1.01 | 69.50% ±1.18 | 15.57 pts | Reported ±1 SE ranges do not overlap |
| ProgramBench | 0.00% ±0.00 | 0.50% ±0.50 | 0.50 pts | Reported ±1 SE ranges overlap |
| SWE-bench | 82.00% ±1.72 | 82.80% ±1.69 | 0.80 pts | Reported ±1 SE ranges overlap |
| Vibe Code Bench v1.1 | 71.00% ±4.51 | 63.96% ±4.79 | 7.04 pts | Reported ±1 SE ranges overlap |
Performance by category
| Category | Claude Opus 4.7 average | GLM 5.2 average |
|---|---|---|
| Legal | 43.46% | 40.80% |
| Finance | 63.50% | 61.52% |
| Healthcare | 68.91% | 62.15% |
| Academic | 90.01% | 86.16% |
| Coding | 56.39% | 50.93% |
Cost and latency
Cost per test appears only where the benchmark reports it for both models. Latency is the measured completion time for that benchmark.
| Benchmark | Claude Opus 4.7 cost | GLM 5.2 cost | Claude Opus 4.7 latency | GLM 5.2 latency |
|---|---|---|---|---|
| Harvey's Legal Agent Benchmark | $10.81 | $2.06 | 24m44s | 20m51s |
| Legal Research Bench | $3.06 | $0.89 | 8m32s | 17m03s |
| LegalBench | N/A | N/A | 26.62s | 5.77s |
| EMB | $12.76 | $4.47 | 38m36s | 58m52s |
| Finance Agent (v2) | $4.03 | $0.71 | 6m00s | 7m53s |
| TaxEval v2 | N/A | N/A | 62.07s | 64.94s |
| MedCode | N/A | N/A | 54.25s | 95.27s |
| MedScribe | N/A | N/A | 67.50s | 2m18s |
| GPQA Diamond | N/A | N/A | 3m23s | 3m45s |
| MMLU Pro | N/A | N/A | 3m08s | 51.64s |
| Code Migration | $36.39 | $12.64 | 1h12m | 1h54m |
| LiveCodeBench | N/A | N/A | 7m42s | 8m52s |
| ProgramBench | N/A | N/A | 54m07s | 2h06m |
| SWE-bench | $2.42 | $0.71 | 7m22s | 11m10s |
| Vibe Code Bench v1.1 | $21.41 | $8.49 | 35m42s | 1h02m |
Results available only for Claude Opus 4.7
- Vals RSI Index
- MortgageTax
- Tax Agent Bench
- MMMU Pro
- SAGE
Results available only for GLM 5.2
- SkillsBench
- SRE Bench