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Model comparison

DeepSeek V4 Flash (Max) vs Qwen3.5-122B-A10B

Data verified

Head-to-head evidence from 20 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

No comparison
60.56/100
1 category wins2 category wins

Public leaderboard positions: DeepSeek V4 Flash (Max) unranked (Not scored); Qwen3.5-122B-A10B #47 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek V4 Flash (Max) and Qwen3.5-122B-A10B share 20 comparable benchmark results. 3 of 8 categories are comparable. 25 results are unique to DeepSeek V4 Flash (Max); 11 to Qwen3.5-122B-A10B.

Updated July 23, 2026
Shared results
20
DeepSeek V4 Flash (Max) only
25
Qwen3.5-122B-A10B only
11
Comparable categories
3 / 8

Treat this as a split decision. DeepSeek V4 Flash (Max) makes more sense if agentic is the priority or you need the larger 1M context window; Qwen3.5-122B-A10B is the better fit if knowledge is the priority or you want the cheaper token bill.

Confidence note. This is a partial-evidence comparison with 20 shared benchmark results across 5 evidence categories; 3 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 Flash (Max) and Qwen3.5-122B-A10B 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.

DeepSeek V4 Flash (Max) is also the more expensive model on tokens at $0.14 input / $0.28 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Qwen3.5-122B-A10B. That is roughly Infinityx on output cost alone. DeepSeek V4 Flash (Max) gives you the larger context window at 1M, compared with 262K for Qwen3.5-122B-A10B.

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 Flash (Max) and Qwen3.5-122B-A10B
CategoryDeepSeek V4 Flash (Max)ΔQwen3.5-122B-A10B
KnowledgeDeepSeek V4 Flash (Max)55.3Margin 28.3Qwen3.5-122B-A10B83.6
AgenticDeepSeek V4 Flash (Max)63.8Margin 7.4Qwen3.5-122B-A10B56.4
CodingDeepSeek V4 Flash (Max)68.8Margin 3.2Qwen3.5-122B-A10B72.0
ReasoningDeepSeek V4 Flash (Max)Not measuredMarginNo overlapQwen3.5-122B-A10B60.2
MathDeepSeek V4 Flash (Max)94.8MarginNo overlapQwen3.5-122B-A10BNot measured
MultilingualDeepSeek V4 Flash (Max)Not measuredMarginNo overlapQwen3.5-122B-A10B82.2
MultimodalDeepSeek V4 Flash (Max)Not measuredMarginNo overlapQwen3.5-122B-A10B77.2
Inst. FollowingDeepSeek V4 Flash (Max)Not measuredMarginNo overlapQwen3.5-122B-A10B93.4

Decisive benchmark drivers

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

More
A · DeepSeek V4 Flash (Max)B · Qwen3.5-122B-A10B
  1. BrowseComp

    Agentic
    Source ↗
    A 73.2%B 63.8%
    Winner: DeepSeek V4 Flash (Max)Δ 9.4
    BrowseComp: DeepSeek V4 Flash (Max) scored 73.2%; Qwen3.5-122B-A10B scored 63.8%. DeepSeek V4 Flash (Max) wins this benchmark.
  2. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 56.9%B 49.4%
    Winner: DeepSeek V4 Flash (Max)Δ 7.5
    Terminal-Bench 2.0: DeepSeek V4 Flash (Max) scored 56.9%; Qwen3.5-122B-A10B scored 49.4%. DeepSeek V4 Flash (Max) wins this benchmark.
  3. SWE-bench Verified

    Coding
    Source ↗
    A 79%B 72%
    Winner: DeepSeek V4 Flash (Max)Δ 7
    SWE-bench Verified: DeepSeek V4 Flash (Max) scored 79%; Qwen3.5-122B-A10B scored 72%. DeepSeek V4 Flash (Max) wins this benchmark.
  4. GPQA

    Knowledge
    Source ↗
    A 88.1%B 86.6%
    Winner: DeepSeek V4 Flash (Max)Δ 1.5
    GPQA: DeepSeek V4 Flash (Max) scored 88.1%; Qwen3.5-122B-A10B scored 86.6%. DeepSeek V4 Flash (Max) wins this benchmark.
  5. MMLU-Pro

    Knowledge
    Source ↗
    A 86.2%B 86.7%
    Winner: Qwen3.5-122B-A10BΔ 0.5
    MMLU-Pro: DeepSeek V4 Flash (Max) scored 86.2%; Qwen3.5-122B-A10B scored 86.7%. Qwen3.5-122B-A10B wins this benchmark.

Operational comparison

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

MetricDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BComparison
Input / output priceUSD per 1M tokensDeepSeek V4 Flash (Max)$0.14 input / $0.28 outputQwen3.5-122B-A10B$0 input / $0 outputQwen3.5-122B-A10B has the lower combined listed price.
Generation speedtokens per secondDeepSeek V4 Flash (Max)Not availableQwen3.5-122B-A10BNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V4 Flash (Max)Not availableQwen3.5-122B-A10BNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V4 Flash (Max)1MQwen3.5-122B-A10B262KDeepSeek V4 Flash (Max) lists the larger context window.

Benchmark Deep Dive

AgenticDeepSeek V4 Flash (Max) wins
BenchmarkDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BResult
Terminal-Bench 2.0Source 56.9%49.4%DeepSeek V4 Flash (Max) leads
BrowseCompSource 73.2%63.8%DeepSeek V4 Flash (Max) leads
HLE w/ toolsSource 45.1%Not comparable
MCP AtlasSource 69%Not comparable
GDPval-AASource 1189978DeepSeek V4 Flash (Max) leads
ToolathlonSource 47.8%Not comparable
AA Agentic IndexSource 31.1%20.7%DeepSeek V4 Flash (Max) leads
τ²-bench resultsSource 95%93.6%DeepSeek V4 Flash (Max) leads
GDPval-AASource 34.4%23.9%DeepSeek V4 Flash (Max) leads
AA BriefcaseSource 831Not comparable
AA EnterpriseOps-GymSource 39.6%Not comparable
AA Harvey LABSource 81.3%Not comparable
AA ITBenchSource 31.5%Not comparable
AA Tau3 BankingSource 22.9%Not comparable
terminalBenchHardSource 35.6%Not comparable
OSWorld-VerifiedSource 58%Not comparable
CodingQwen3.5-122B-A10B wins
BenchmarkDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BResult
CodeforcesSource 3052.0Not comparable
SWE-bench VerifiedSource 79%72%DeepSeek V4 Flash (Max) leads
SWE-bench ProSource 52.6%Not comparable
SWE MultilingualSource 73.3%Not comparable
Terminal-Bench 2.0Source 56.9%Not comparable
AA Coding IndexSource 56.2%45.7%DeepSeek V4 Flash (Max) leads
AA-SciCodeSource 44.9%42.0%DeepSeek V4 Flash (Max) leads
Reasoning
BenchmarkDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BResult
MRCR 1MSource 78.7%Not comparable
CorpusQA 1MSource 60.5%Not comparable
AA-LCRSource 63.0%66.7%Qwen3.5-122B-A10B leads
CritPtSource 7.1%0.6%DeepSeek V4 Flash (Max) leads
LongBench v2Source 60.2%Not comparable
KnowledgeQwen3.5-122B-A10B wins
BenchmarkDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BResult
MMLU-ProSource 86.2%86.7%Qwen3.5-122B-A10B leads
SimpleQASource 34.1%Not comparable
Chinese-SimpleQASource 78.9%Not comparable
GPQASource 88.1%86.6%DeepSeek V4 Flash (Max) leads
GPQA-DSource 88.1%Not comparable
HLESource 34.8%Not comparable
Artificial Analysis Intelligence IndexSource 40.3%32.3%DeepSeek V4 Flash (Max) leads
AA-GPQA DiamondSource 89.4%85.7%DeepSeek V4 Flash (Max) leads
AA-HLESource 32.1%23.4%DeepSeek V4 Flash (Max) leads
AA-Omniscience IndexSource -22.9%-39.6%DeepSeek V4 Flash (Max) leads
AA-Omniscience AccuracySource 37.2%24.7%DeepSeek V4 Flash (Max) leads
AA-Omniscience Hallucination RateSource 95.8%85.5%Qwen3.5-122B-A10B leads
AA Openness IndexSource 50.0%Not comparable
SuperGPQASource 67.1%Not comparable
Math
BenchmarkDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BResult
HMMT Feb 2026Source 94.8%Not comparable
IMOAnswerBenchSource 88.4%Not comparable
ApexSource 33.0%Not comparable
Apex ShortlistSource 85.7%Not comparable
Multilingual
BenchmarkDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BResult
MMLU-ProXSource 82.2%Not comparable
Multimodal
BenchmarkDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BResult
Design Arena WebsiteSource 1238Not comparable
MMMUSource 83.9%Not comparable
MMVUSource 74.7%Not comparable
MathVisionSource 86.2%Not comparable
CharXivSource 77.2%Not comparable
V*Source 93.2%Not comparable
AA-MMMU-ProSource 75.0%Not comparable
Inst. Following
BenchmarkDeepSeek V4 Flash (Max)Qwen3.5-122B-A10BResult
AA-IFBenchSource 79.2%75.7%DeepSeek V4 Flash (Max) leads
IFEvalSource 93.4%Not comparable
Frequently Asked Questions (4)

Which is better, DeepSeek V4 Flash (Max) or Qwen3.5-122B-A10B?

DeepSeek V4 Flash (Max) and Qwen3.5-122B-A10B 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 Flash (Max) or Qwen3.5-122B-A10B?

Qwen3.5-122B-A10B has the edge for knowledge tasks in this comparison, averaging 83.6 versus 55.3. Inside this category, AA-Omniscience Index is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V4 Flash (Max) or Qwen3.5-122B-A10B?

Qwen3.5-122B-A10B has the edge for coding in this comparison, averaging 72 versus 68.8. Inside this category, AA Coding Index is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, DeepSeek V4 Flash (Max) or Qwen3.5-122B-A10B?

DeepSeek V4 Flash (Max) has the edge for agentic tasks in this comparison, averaging 63.8 versus 56.4. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.

Related Comparisons

Last updated: July 23, 2026

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