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Model comparison

DeepSeek V4 Pro Base vs MiMo-V2-Flash

Data verified

Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.

No comparison
54.06/100
0 category wins1 category wins

Public leaderboard positions: DeepSeek V4 Pro Base unranked (Not scored); MiMo-V2-Flash #91 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek V4 Pro Base and MiMo-V2-Flash share 1 comparable benchmark result. 1 of 8 categories are comparable. 23 results are unique to DeepSeek V4 Pro Base; 18 to MiMo-V2-Flash.

Updated July 23, 2026
Shared results
1
DeepSeek V4 Pro Base only
23
MiMo-V2-Flash only
18
Comparable categories
1 / 8

Treat this as a split decision. DeepSeek V4 Pro Base makes more sense if you need the larger 1M context window or you would rather avoid the extra latency and token burn of a reasoning model; MiMo-V2-Flash is the better fit if knowledge is the priority or you want the stronger reasoning-first profile.

Confidence note. This is a partial-evidence comparison with 1 shared benchmark result across 1 evidence category; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

DeepSeek V4 Pro Base and MiMo-V2-Flash finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.

MiMo-V2-Flash is the reasoning model in the pair, while DeepSeek V4 Pro Base is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. DeepSeek V4 Pro Base gives you the larger context window at 1M, compared with 256K for MiMo-V2-Flash.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for DeepSeek V4 Pro Base and MiMo-V2-Flash
CategoryDeepSeek V4 Pro BaseΔMiMo-V2-Flash
KnowledgeDeepSeek V4 Pro Base66.4Margin 18.3MiMo-V2-Flash84.7
CodingDeepSeek V4 Pro BaseNot measuredMarginNo overlapMiMo-V2-Flash73.4
ReasoningDeepSeek V4 Pro Base51.5MarginNo overlapMiMo-V2-FlashNot measured

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · DeepSeek V4 Pro BaseB · MiMo-V2-Flash
  1. MMLU-Pro

    Knowledge
    Source ↗
    A 73.5%B 84.9%
    Winner: MiMo-V2-FlashΔ 11.4
    MMLU-Pro: DeepSeek V4 Pro Base scored 73.5%; MiMo-V2-Flash scored 84.9%. MiMo-V2-Flash wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricDeepSeek V4 Pro BaseMiMo-V2-FlashComparison
Input / output priceUSD per 1M tokensDeepSeek V4 Pro BaseNot availableMiMo-V2-Flash$0 input / $0 outputA complete price comparison is not available.
Generation speedtokens per secondDeepSeek V4 Pro BaseNot availableMiMo-V2-Flash129 tok/sA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V4 Pro BaseNot availableMiMo-V2-Flash2.14 sA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V4 Pro Base1MMiMo-V2-Flash256KDeepSeek V4 Pro Base lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkDeepSeek V4 Pro BaseMiMo-V2-FlashResult
AA Agentic IndexSource 12.0%Not comparable
τ²-bench resultsSource 83.9%Not comparable
GDPval-AASource 16.7%Not comparable
GDPval-AASource 833Not comparable
Coding
BenchmarkDeepSeek V4 Pro BaseMiMo-V2-FlashResult
BigCodeBenchSource 59.2%Not comparable
HumanEvalSource 76.8%Not comparable
SWE-bench VerifiedSource 73.4%Not comparable
AA Coding IndexSource 49.8%Not comparable
AA-SciCodeSource 25.9%Not comparable
Reasoning
BenchmarkDeepSeek V4 Pro BaseMiMo-V2-FlashResult
BBHSource 87.5%Not comparable
DROPSource 88.7%Not comparable
HellaSwagSource 88.0%Not comparable
WinoGrandeSource 81.5%Not comparable
CLUEWSCSource 85.2%Not comparable
LongBench v2Source 51.5%Not comparable
AA-LCRSource 31.3%Not comparable
CritPtSource 0.0%Not comparable
KnowledgeMiMo-V2-Flash wins
BenchmarkDeepSeek V4 Pro BaseMiMo-V2-FlashResult
AGIEvalSource 83.1%Not comparable
MMLUSource 90.1%Not comparable
MMLU-ReduxSource 90.8%Not comparable
MMLU-ProSource 73.5%84.9%MiMo-V2-Flash leads
MMMLUSource 90.3%Not comparable
C-EvalSource 93.1%Not comparable
CMMLUSource 90.8%Not comparable
MultiLoKoSource 51.1%Not comparable
SimpleQASource 55.2%Not comparable
SuperGPQASource 53.9%Not comparable
FACTS ParametricSource 62.6%Not comparable
TriviaQASource 85.6%Not comparable
GPQASource 83.7%Not comparable
Artificial Analysis Intelligence IndexSource 24.7%Not comparable
AA-GPQA DiamondSource 65.6%Not comparable
AA-HLESource 8.0%Not comparable
AA-Omniscience IndexSource -48.5%Not comparable
AA-Omniscience AccuracySource 15.2%Not comparable
AA-Omniscience Hallucination RateSource 75.1%Not comparable
Math
BenchmarkDeepSeek V4 Pro BaseMiMo-V2-FlashResult
GSM8KSource 92.6%Not comparable
MATHSource 64.5%Not comparable
CMathSource 90.9%Not comparable
AIME 2025Source 94.1%Not comparable
Multilingual
BenchmarkDeepSeek V4 Pro BaseMiMo-V2-FlashResult
MGSMSource 84.4%Not comparable
Inst. Following
BenchmarkDeepSeek V4 Pro BaseMiMo-V2-FlashResult
AA-IFBenchSource 39.9%Not comparable
Frequently Asked Questions (2)

Which is better, DeepSeek V4 Pro Base or MiMo-V2-Flash?

DeepSeek V4 Pro Base and MiMo-V2-Flash are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.

Which is better for knowledge tasks, DeepSeek V4 Pro Base or MiMo-V2-Flash?

MiMo-V2-Flash has the edge for knowledge tasks in this comparison, averaging 84.7 versus 66.4. Inside this category, MMLU-Pro is the benchmark that creates the most daylight between them.

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Last updated: July 23, 2026

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