Claude Sonnet 5 vs MiMo V2.6 Flash: Benchmark Comparison
Claude Sonnet 5 has the higher score on 6 of 13 shared benchmarks; MiMo V2.6 Flash leads on 7.
The largest observed score gap is 14.00 pts on ProofBench v1.1 , where Claude Sonnet 5 leads.
Reported ±1 standard-error ranges overlap on 7 of 13 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 Sonnet 5 | MiMo V2.6 Flash | Gap | Reported uncertainty |
|---|---|---|---|---|
| Legal Research Bench | 41.83% ±3.43 | 37.98% ±3.37 | 3.85 pts | Reported ±1 SE ranges overlap |
| Tax Agent Bench | 29.37% ±3.25 | 28.51% ±3.14 | 0.87 pts | Reported ±1 SE ranges overlap |
| MedCode | 47.54% ±2.27 | 41.06% ±2.03 | 6.48 pts | Reported ±1 SE ranges do not overlap |
| MedScribe | 76.05% ±3.05 | 85.28% ±1.99 | 9.22 pts | Reported ±1 SE ranges do not overlap |
| ProofBench v1.1 | 77.00% ±4.23 | 63.00% ±4.85 | 14.00 pts | Reported ±1 SE ranges do not overlap |
| Terminal-Bench-Science | 5.71% ±2.79 | 4.29% ±2.44 | 1.43 pts | Reported ±1 SE ranges overlap |
| IOI | 45.00% ±2.75 | 47.67% ±4.79 | 2.67 pts | Reported ±1 SE ranges overlap |
| ProgramBench | 0.00% ±0.00 | 0.50% ±0.50 | 0.50 pts | Reported ±1 SE ranges overlap |
| Terminal-Bench 4.0 | 10.61% ±1.51 | 24.24% ±1.51 | 13.64 pts | Reported ±1 SE ranges do not overlap |
| Vibe Code Bench v1.1 | 81.33% ±3.05 | 78.96% ±4.04 | 2.37 pts | Reported ±1 SE ranges overlap |
| CyberBench v1.1 | 61.91% ±5.74 | 75.36% ±5.42 | 13.45 pts | Reported ±1 SE ranges do not overlap |
| SRE Bench | 0.38% ±0.38 | 4.20% ±1.24 | 3.82 pts | Reported ±1 SE ranges do not overlap |
| Public Benefits Bench v1.1 | 66.03% ±1.23 | 67.59% ±1.22 | 1.56 pts | Reported ±1 SE ranges overlap |
Performance by category
| Category | Claude Sonnet 5 average | MiMo V2.6 Flash average |
|---|---|---|
| Legal | 41.83% | 37.98% |
| Finance | 29.37% | 28.51% |
| Healthcare | 61.80% | 63.17% |
| Math | 77.00% | 63.00% |
| Science | 5.71% | 4.29% |
| Coding | 34.23% | 37.84% |
| Cyber | 31.14% | 39.78% |
| Social Mobility | 66.03% | 67.59% |
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 Sonnet 5 cost | MiMo V2.6 Flash cost | Claude Sonnet 5 latency | MiMo V2.6 Flash latency |
|---|---|---|---|---|
| Legal Research Bench | $2.72 | $0.07 | 25m46s | 15m20s |
| Tax Agent Bench | $1.79 | $0.05 | 19m19s | 17m19s |
| MedCode | N/A | N/A | 2m15s | 93.37s |
| MedScribe | N/A | N/A | 4m12s | 74.48s |
| ProofBench v1.1 | $1.37 | $0.12 | 14m58s | 1h03m |
| Terminal-Bench-Science | $30.30 | $0.24 | 3h06m | 3h59m |
| IOI | $12.89 | $0.22 | 59m44s | 1h49m |
| ProgramBench | $24.36 | $0.47 | 1h31m | 3h22m |
| Terminal-Bench 4.0 | $26.05 | $0.21 | 1h45m | 2h25m |
| Vibe Code Bench v1.1 | $25.39 | $0.56 | 1h07m | 50m13s |
| CyberBench v1.1 | $1.89 | $0.05 | 16m57s | 28m22s |
| SRE Bench | $18.49 | $0.40 | 3h53m | 3h22m |
| Public Benefits Bench v1.1 | $1.29 | $0.03 | 21m09s | 20m56s |
Results available only for Claude Sonnet 5
- LegalBench
- MortgageTax
- TaxEval v2
- GPQA Diamond
- MMLU Pro
- MMMU Pro
- LiveCodeBench
- SkillsBench
- SWE-bench
Results available only for MiMo V2.6 Flash
- Vals Index
- Vals Finance Index
- Vals Legal Index
- Vals Science Index
- HLAB-Vals-1.1
- EMB v1.1
- Finance Agent v2.1
- BioMysteryBench
- MysteryMechanism
- SAGE
- Code Migration v1.1
- Vibe Code Bench 1-100 v1.1
- Access to Justice Benchmark