Model comparison

MiMo-V2.6-Pro vs Sonar Reasoning Pro

MiMo-V2.6-Pro has enough public results to be ranked (#49); Sonar Reasoning Pro does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

MiMo-V2.6-Pro Xiaomi

50.3

Rank #49 Confirmed

Summary

  • MiMo-V2.6-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $2 / $8 for Sonar Reasoning Pro.
  • MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 128K.
  • MiMo-V2.6-Pro has downloadable open weights; the other is API-only.

Side by side

MiMo-V2.6-Pro and Sonar Reasoning Pro specifications
MiMo-V2.6-ProSonar Reasoning Pro
ProviderXiaomiPerplexity
Noometry Index50.3—
Released2026-09-212024-01-01
WeightsOpenProprietary
Context window1.05M128K
Max output131K4K
Input $ / M tokens$0.43$2
Output $ / M tokens$0.87$8
Results tracked191

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Category by category

Coding Not comparable

MiMo-V2.6-Pro: 55.5 (#23), Sonar Reasoning Pro: —

Coding benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
LMArena WebDev1629—
SciCode60.9%—
LMArena Coding1534—
ALE-Bench1,158—

Agentic & Tool Use Not comparable

MiMo-V2.6-Pro: 37.5 (#35), Sonar Reasoning Pro: —

Agentic & Tool Use benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
APEX-Agents59.5%—
LMArena Search—1139

Reasoning Not comparable

MiMo-V2.6-Pro: 43.1 (#50), Sonar Reasoning Pro: —

Reasoning benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
CritPt26.6%—
LMArena Hard Prompts1512—

Math Not comparable

MiMo-V2.6-Pro: 54.5 (#45), Sonar Reasoning Pro: —

Math benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
ProofBench70%—
LMArena Math1494—

Knowledge Not comparable

MiMo-V2.6-Pro: 43.5 (#92), Sonar Reasoning Pro: —

Knowledge benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
LMArena Expert1543—

Multimodal Not comparable

MiMo-V2.6-Pro: 40.8 (#43), Sonar Reasoning Pro: —

Multimodal benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
LMArena Vision1264—

Multilingual Not comparable

MiMo-V2.6-Pro: 56.9 (#14), Sonar Reasoning Pro: —

Multilingual benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
LMArena Non-English1474—
LMArena Chinese1529—
LMArena Russian1480—

Instruction Following Not comparable

MiMo-V2.6-Pro: 78.2 (#12), Sonar Reasoning Pro: —

Instruction Following benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
LMArena Instruction Following1493—

Long Context Not comparable

MiMo-V2.6-Pro: 46.0 (#27), Sonar Reasoning Pro: —

Long Context benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
LMArena Longer Query1501—

Writing & Preference Not comparable

MiMo-V2.6-Pro: 66.8 (#33), Sonar Reasoning Pro: —

Writing & Preference benchmarks
BenchmarkMiMo-V2.6-ProSonar Reasoning Pro
LMArena Text1492—
LMArena Creative Writing1468—
LMArena Multi-Turn1464—

Frequently asked questions

Is MiMo-V2.6-Pro better than Sonar Reasoning Pro?

MiMo-V2.6-Pro has enough public results to be ranked (#49); Sonar Reasoning Pro does not yet, so treat this comparison as directional.

Which is cheaper, MiMo-V2.6-Pro or Sonar Reasoning Pro?

MiMo-V2.6-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; Sonar Reasoning Pro lists at $2 and $8.

Which has the bigger context window?

MiMo-V2.6-Pro does, with 1.05M tokens against 128K.

How many benchmarks do MiMo-V2.6-Pro and Sonar Reasoning Pro share?

0 benchmarks have published results for both models. MiMo-V2.6-Pro has 19 scored results on Noometry and Sonar Reasoning Pro has 1.

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