Model comparison

MiMo-V2-Pro vs Qwen3-4B

MiMo-V2-Pro is the stronger model overall, scoring 42.4 to 31.5 on the Noometry Index.

Last verified . 0 shared benchmarks.

MiMo-V2-Pro Xiaomi

42.4

Rank #102 Confirmed

Qwen3-4B Alibaba (Qwen)

31.5

Rank #261 Confirmed

Summary

  • The widest gap is in math, where MiMo-V2-Pro leads 36.7 to 28.5.
  • Qwen3-4B has downloadable open weights; the other is API-only.

Side by side

MiMo-V2-Pro and Qwen3-4B specifications
MiMo-V2-ProQwen3-4B
ProviderXiaomiAlibaba (Qwen)
Noometry Index42.431.5
Released2026-03-182025-04-29
WeightsProprietaryOpen
Context window1.05M—
Max output131K—
Input $ / M tokens$0.43—
Output $ / M tokens$0.87—
Results tracked236

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Category by category

Coding Not comparable

MiMo-V2-Pro: 43.4 (#76), Qwen3-4B: —

Coding benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
LMArena WebDev1433—
LMArena Coding1476—
ALE-Bench785.17—

Agentic & Tool Use Not comparable

MiMo-V2-Pro: —, Qwen3-4B: 27.3 (#94)

Agentic & Tool Use benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
Berkeley Function Calling Leaderboard—35.7%

Reasoning MiMo-V2-Pro leads

MiMo-V2-Pro: 21.3 (#200), Qwen3-4B: 18.5 (#264)

Reasoning benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
NYT Connections (extended)25.8%—
Chess Puzzles—4%
Thematic Generalization45.9%—
LMArena Hard Prompts1457—

Math MiMo-V2-Pro leads

MiMo-V2-Pro: 36.7 (#104), Qwen3-4B: 28.5 (#228)

Math benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
MathArena Final-Answer Competitions—38.5%
OTIS Mock AIME 2024-2025—52.2%
LMArena Math1447—

Knowledge MiMo-V2-Pro leads

MiMo-V2-Pro: 40.8 (#106), Qwen3-4B: 33.0 (#198)

Knowledge benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
GPQA Diamond—52.3%
Vectara Hallucination Rate—5.7%
LMArena Expert1479—

Multilingual Not comparable

MiMo-V2-Pro: 52.9 (#77), Qwen3-4B: —

Multilingual benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
LMArena Non-English1416—
LMArena Chinese1455—
LMArena French1470—
LMArena German1417—
LMArena Japanese1366—
LMArena Korean1401—
LMArena Russian1427—
LMArena Spanish1458—

Instruction Following Not comparable

MiMo-V2-Pro: 76.2 (#46), Qwen3-4B: —

Instruction Following benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
LMArena Instruction Following1444—

Long Context Not comparable

MiMo-V2-Pro: 41.5 (#133), Qwen3-4B: —

Long Context benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
CL-bench15.7%—
CL-bench Life6.9%—
LMArena Longer Query1455—

Writing & Preference Not comparable

MiMo-V2-Pro: 62.9 (#67), Qwen3-4B: —

Writing & Preference benchmarks
BenchmarkMiMo-V2-ProQwen3-4B
LMArena Text1436—
LMArena Creative Writing1415—
LMArena Multi-Turn1456—

Frequently asked questions

Is MiMo-V2-Pro better than Qwen3-4B?

MiMo-V2-Pro is the stronger model overall, scoring 42.4 to 31.5 on the Noometry Index.

How many benchmarks do MiMo-V2-Pro and Qwen3-4B share?

0 benchmarks have published results for both models. MiMo-V2-Pro has 23 scored results on Noometry and Qwen3-4B has 6.

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