DeepSeek V4.1 Flash 1017 vs MiMo V2.6 Pro: Benchmark Comparison

DeepSeek V4.1 Flash 1017 has the higher score on 5 of 9 shared benchmarks; MiMo V2.6 Pro leads on 4.

The largest observed score gap is 11.96 pts on Tax Agent Bench , where DeepSeek V4.1 Flash 1017 leads.

Reported ±1 standard-error ranges overlap on 8 of 9 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 DeepSeek V4.1 Flash 1017 MiMo V2.6 Pro Gap Reported uncertainty
Vals Index 56.58% ±1.27 55.20% ±1.18 1.39 pts Reported ±1 SE ranges overlap
Harvey's Legal Agent Benchmark 9.17% ±2.51 10.83% ±2.45 1.67 pts Reported ±1 SE ranges overlap
Legal Research Bench 45.19% ±3.46 47.12% ±3.47 1.92 pts Reported ±1 SE ranges overlap
EMB 61.80% ±3.19 62.86% ±3.14 1.05 pts Reported ±1 SE ranges overlap
Finance Agent (v2) 56.96% ±2.05 57.34% ±0.57 0.38 pts Reported ±1 SE ranges overlap
Tax Agent Bench 44.35% ±3.57 32.39% ±3.36 11.96 pts Reported ±1 SE ranges do not overlap
Code Migration 44.21% ±4.46 43.01% ±4.32 1.20 pts Reported ±1 SE ranges overlap
Terminal-Bench 4.0 31.82% ±2.62 31.31% ±3.07 0.51 pts Reported ±1 SE ranges overlap
Vibe Code Bench v1.1 87.73% ±2.75 85.22% ±3.39 2.51 pts Reported ±1 SE ranges overlap

Performance by category

Category DeepSeek V4.1 Flash 1017 average MiMo V2.6 Pro average
Legal 27.18% 28.97%
Finance 54.37% 50.86%
Coding 54.59% 53.18%

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 DeepSeek V4.1 Flash 1017 cost MiMo V2.6 Pro cost DeepSeek V4.1 Flash 1017 latency MiMo V2.6 Pro latency
Vals Index $0.64 $0.41 36m33s 1h07m
Harvey's Legal Agent Benchmark $0.54 $0.22 21m39s 25m53s
Legal Research Bench $0.70 $0.18 35m07s 30m16s
EMB $0.36 $0.33 16m47s 55m14s
Finance Agent (v2) $0.46 $0.20 14m39s 10m48s
Tax Agent Bench $0.46 $0.13 21m04s 25m48s
Code Migration $1.86 $0.69 2h11m 2h49m
Terminal-Bench 4.0 $0.54 $0.50 41m10s 2h42m
Vibe Code Bench v1.1 $0.58 $1.04 16m14s 1h01m

Results available only for DeepSeek V4.1 Flash 1017

None.

Results available only for MiMo V2.6 Pro

  • MedCode
  • MedScribe
  • ProofBench v1.1
  • MysteryMechanism
  • Terminal-Bench-Science
  • SAGE
  • IOI
  • ProgramBench
  • SWE-bench Multimodal
  • CyberBench v1.1
  • SRE Bench
  • Public Benefits Bench v1.1
Model details DeepSeek V4.1 Flash 1017 Model details MiMo V2.6 Pro