Claude Opus 4.7 vs GLM 5.3: Benchmark Comparison
Claude Opus 4.7 has the higher score on 7 of 17 shared benchmarks; GLM 5.3 leads on 10.
The largest observed score gap is 13.40 pts on SWE-bench , where GLM 5.3 leads.
Reported ±1 standard-error ranges overlap on 5 of 16 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 5.3 | Gap | Reported uncertainty |
|---|---|---|---|---|
| Vals RSI Index | 19.08% | 22.91% | 3.83 pts | Uncertainty comparison unavailable |
| Harvey's Legal Agent Benchmark | 6.67% ±2.00 | 8.33% ±2.00 | 1.67 pts | Reported ±1 SE ranges overlap |
| Legal Research Bench | 38.46% ±3.38 | 49.04% ±3.48 | 10.58 pts | Reported ±1 SE ranges do not overlap |
| LegalBench | 85.25% ±0.45 | 84.84% ±0.40 | 0.41 pts | Reported ±1 SE ranges overlap |
| EMB | 63.73% ±3.11 | 56.34% ±3.32 | 7.38 pts | Reported ±1 SE ranges do not overlap |
| Finance Agent (v2) | 51.51% ±0.49 | 55.84% ±2.07 | 4.33 pts | Reported ±1 SE ranges do not overlap |
| Tax Agent Bench | 63.86% ±3.14 | 73.09% ±2.97 | 9.23 pts | Reported ±1 SE ranges do not overlap |
| TaxEval v2 | 75.27% ±0.84 | 72.36% ±0.88 | 2.90 pts | Reported ±1 SE ranges do not overlap |
| MedCode | 54.86% ±2.21 | 42.86% ±2.11 | 11.99 pts | Reported ±1 SE ranges do not overlap |
| MedScribe | 82.95% ±1.98 | 88.81% ±2.00 | 5.86 pts | Reported ±1 SE ranges do not overlap |
| GPQA Diamond | 90.15% ±1.54 | 88.13% ±1.85 | 2.02 pts | Reported ±1 SE ranges overlap |
| MMLU Pro | 89.87% ±0.30 | 86.77% ±0.34 | 3.10 pts | Reported ±1 SE ranges do not overlap |
| Code Migration | 43.88% ±4.22 | 44.22% ±4.29 | 0.34 pts | Reported ±1 SE ranges overlap |
| LiveCodeBench | 85.07% ±1.01 | 80.53% ±1.06 | 4.54 pts | Reported ±1 SE ranges do not overlap |
| ProgramBench | 0.00% ±0.00 | 1.50% ±0.86 | 1.50 pts | Reported ±1 SE ranges do not overlap |
| SWE-bench | 82.00% ±1.72 | 95.40% ±0.94 | 13.40 pts | Reported ±1 SE ranges do not overlap |
| Vibe Code Bench v1.1 | 71.00% ±4.51 | 78.13% ±3.94 | 7.12 pts | Reported ±1 SE ranges overlap |
Performance by category
| Category | Claude Opus 4.7 average | GLM 5.3 average |
|---|---|---|
| Legal | 43.46% | 47.40% |
| Finance | 63.59% | 64.41% |
| Healthcare | 68.91% | 65.84% |
| Academic | 90.01% | 87.45% |
| Coding | 56.39% | 59.96% |
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 5.3 cost | Claude Opus 4.7 latency | GLM 5.3 latency |
|---|---|---|---|---|
| Vals RSI Index | $1002.72 | $61.84 | 90h00m | 90h00m |
| Harvey's Legal Agent Benchmark | $10.81 | $4.30 | 24m44s | 42m38s |
| Legal Research Bench | $3.06 | $2.24 | 8m32s | 51m50s |
| LegalBench | N/A | N/A | 26.62s | 22.48s |
| EMB | $12.76 | $3.79 | 38m36s | 36m12s |
| Finance Agent (v2) | $4.03 | $1.07 | 6m00s | 15m50s |
| Tax Agent Bench | $1.27 | $1.80 | 4m39s | 50m53s |
| TaxEval v2 | N/A | N/A | 62.07s | 98.32s |
| MedCode | N/A | N/A | 54.25s | 2m49s |
| MedScribe | N/A | N/A | 67.50s | 2m02s |
| GPQA Diamond | N/A | N/A | 3m23s | 3m31s |
| MMLU Pro | N/A | N/A | 3m08s | 61.78s |
| Code Migration | $36.39 | $24.91 | 1h12m | 3h47m |
| LiveCodeBench | N/A | N/A | 7m42s | 4m07s |
| ProgramBench | N/A | N/A | 54m07s | 4h16m |
| SWE-bench | $2.42 | $0.34 | 7m22s | 14m01s |
| Vibe Code Bench v1.1 | $21.41 | $12.45 | 35m42s | 1h04m |
Results available only for Claude Opus 4.7
- MortgageTax
- MMMU Pro
- SAGE
Results available only for GLM 5.3
- Vals Index
- ProofBench v1.1
- MysteryMechanism
- Terminal-Bench Science
- IOI
- SkillsBench
- Terminal-Bench 4.0
- Vibe Code Bench 1-100
- CyberBench v1.1
- Public Benefits Bench v1.1