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

Head-to-head comparison across 3benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

DeepSeek V4 Flash (High)

71

VS

Qwen3.5-122B-A10B

66

1 categoriesvs2 categories

Verified leaderboard positions: DeepSeek V4 Flash (High) #19 · Qwen3.5-122B-A10B #7

Pick DeepSeek V4 Flash (High) if you want the stronger benchmark profile. Qwen3.5-122B-A10B only becomes the better choice if knowledge is the priority or you want the cheaper token bill.

Category Radar

Head-to-Head by Category

Category Breakdown

Agentic

Qwen3.5-122B-A10B
55.4vs56.1

+0.7 difference

Coding

DeepSeek V4 Flash (High)
72.2vs72

+0.2 difference

Knowledge

Qwen3.5-122B-A10B
57.2vs81.6

+24.4 difference

Operational Comparison

DeepSeek V4 Flash (High)

Qwen3.5-122B-A10B

Price (per 1M tokens)

$0.14 / $0.28

$0 / $0

Speed

N/A

N/A

Latency (TTFT)

N/A

N/A

Context Window

1M

262K

Quick Verdict

Pick DeepSeek V4 Flash (High) if you want the stronger benchmark profile. Qwen3.5-122B-A10B only becomes the better choice if knowledge is the priority or you want the cheaper token bill.

DeepSeek V4 Flash (High) is clearly ahead on the provisional aggregate, 71 to 66. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek V4 Flash (High)'s sharpest advantage is in coding, where it averages 72.2 against 72. The single biggest benchmark swing on the page is BrowseComp, 53.5% to 63.8%. Qwen3.5-122B-A10B does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

DeepSeek V4 Flash (High) 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 (High) gives you the larger context window at 1M, compared with 262K for Qwen3.5-122B-A10B.

Benchmark Deep Dive

Frequently Asked Questions (4)

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

DeepSeek V4 Flash (High) is ahead on BenchLM's provisional leaderboard, 71 to 66. The biggest single separator in this matchup is BrowseComp, where the scores are 53.5% and 63.8%.

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

Qwen3.5-122B-A10B has the edge for knowledge tasks in this comparison, averaging 81.6 versus 57.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.

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

DeepSeek V4 Flash (High) has the edge for coding in this comparison, averaging 72.2 versus 72. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

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

Qwen3.5-122B-A10B has the edge for agentic tasks in this comparison, averaging 56.1 versus 55.4. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

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Last updated: April 24, 2026

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