Noometry

Model comparison

Claude Sonnet 5 vs MiMo-V2-Omni

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 43.6 on the Noometry Index. MiMo-V2-Omni costs 23× less per token, which makes it the better buy when Claude Sonnet 5's lead doesn't matter for your workload.

Last verified . 18 shared benchmarks.

Claude Sonnet 5 Anthropic

54.6

Rank #29 Confirmed

MiMo-V2-Omni Xiaomi

43.6

Rank #88 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Claude Sonnet 5 scores higher in 9 categories and MiMo-V2-Omni in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 5 leads 66.2 to 39.1.
  • MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
  • Claude Sonnet 5 accepts more context: 1M tokens versus 262K.

Side by side

Claude Sonnet 5MiMo-V2-Omni
ProviderAnthropicXiaomi
Noometry Index54.643.6
Released2026-06-292026-03-18
WeightsProprietaryProprietary
Context window1M262K
Max output128K131K
Input $ / M tokens$2$0.14
Output $ / M tokens$10$0.28
Results tracked5118

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#26), MiMo-V2-Omni: 43.3 (#89)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Coding14831466
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1541—
SciCode54.3%—
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.8 (#18), MiMo-V2-Omni: —

BenchmarkClaude Sonnet 5MiMo-V2-Omni
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 49.1 (#39), MiMo-V2-Omni: 29.7 (#88)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Hard Prompts14611445
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.21—
ForecastBench61.1—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.2 (#27), MiMo-V2-Omni: 39.1 (#115)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Math14671430
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.6 (#47), MiMo-V2-Omni: 40.5 (#118)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Expert14901449
GPQA Diamond90.5%—
SimpleQA Verified33.7%—

Multimodal Claude Sonnet 5 leads

Claude Sonnet 5: 42.4 (#31), MiMo-V2-Omni: 38.6 (#63)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Vision12741228
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 53.8 (#55), MiMo-V2-Omni: 51.8 (#102)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Non-English14311404
LMArena Chinese14771465
LMArena French14601447
LMArena German14401399
LMArena Japanese14221317
LMArena Korean14111355
LMArena Russian14511412
LMArena Spanish14371434

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.3 (#41), MiMo-V2-Omni: 75.2 (#66)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Instruction Following14521428

Long Context Too close to call

Claude Sonnet 5: 44.8 (#55), MiMo-V2-Omni: 44.1 (#76)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Longer Query14631442

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.2 (#25), MiMo-V2-Omni: 61.4 (#87)

BenchmarkClaude Sonnet 5MiMo-V2-Omni
LMArena Text14421423
LMArena Creative Writing14161392
LMArena Multi-Turn14541445
EQ-Bench Creative Writing1794—
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than MiMo-V2-Omni?

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 43.6 on the Noometry Index. MiMo-V2-Omni costs 23× less per token, which makes it the better buy when Claude Sonnet 5's lead doesn't matter for your workload.

Which is cheaper, Claude Sonnet 5 or MiMo-V2-Omni?

MiMo-V2-Omni is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Claude Sonnet 5 lists at $2 and $10.

Is Claude Sonnet 5 or MiMo-V2-Omni better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 43.3 in the Noometry coding category.

Which has the bigger context window?

Claude Sonnet 5 does, with 1M tokens against 262K.

How many benchmarks do Claude Sonnet 5 and MiMo-V2-Omni share?

18 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and MiMo-V2-Omni has 18.

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