DeepSeekDeepSeek V4 FlashVSZ.ai (Zhipu AI)GLM-4.6
Our Take
We recommend GLM-4.6 if you need peak intelligence for complex multi-file code and clearly defined tasks, or the 5.7x cheaper DeepSeek V4 Flash if your workflow is limited to complex codebases, multi-file repositories, and architectural planning. While GLM-4.6 holds a major reasoning advantage, DeepSeek V4 Flash is optimized for high-volume budget pipelines. Choose GLM-4.6 for multi-file code and clearly defined tasks, or DeepSeek V4 Flash to maximize your budget for basic scripts.
▶WHY?
Benchmark Calculations & Evidence:
Coding Evaluation: DeepSeek V4 Flash was evaluated on SWE-bench Pro (scoring 49.1%), while GLM-4.6 was evaluated on SWE-bench Verified (scoring 68%).
Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. GLM-4.6 scored 82.9%, while DeepSeek V4 Flash scored 80%.
Cost Efficiency: DeepSeek V4 Flash pricing ($0.14/M input, $0.28/M output) is 5.7x cheaper than GLM-4.6 ($0.6/M input, $2.2/M output).
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Benchmarks & Scores
Coding (swe-bench-pro)
49.1%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
80%graduate-level science QA
Cost & Context
Cost (per 1M tokens)5.7x cheaper
$0.17Input: $0.14 | Output: $0.28Context WindowLarger
1.05M tokensBenchmarks & Scores
Coding (swe-bench-verified)
68%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)Winner (+2.9%)
82.9%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$1.00Input: $0.60 | Output: $2.20Context Window
202.75k tokensFrequently Asked Questions about DeepSeek V4 Flash vs GLM-4.6
DeepSeek V4 Flash is cheaper than GLM-4.6. DeepSeek V4 Flash has a blended cost of $0.17/1M tokens, which is about 5.7x cheaper than GLM-4.6 at $1.00/1M tokens.
For coding tasks, DeepSeek V4 Flash scores 49.1% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning), while GLM-4.6 scores 68% on swe-bench-verified (multi-file code and clearly defined tasks).
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