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DeepSeek

DeepSeek V4 Flash

VS
OpenAI

GPT-5.4 mini

Decision Recommendation

⚖️ Trade-off decision: Choose GPT-5.4 mini if you need the absolute highest accuracy for complex logic and coding. Choose DeepSeek V4 Flash if you want to optimize your budget, as it is 9.6x cheaper.

Model Specs

DeepSeek V4 Flash

Benchmarks & Scores

Coding (swe-bench-pro)
49.1%
Reasoning (gpqa-diamond)
80%

Cost & Performance

Cost (per 1M tokens)9.6x cheaper
$0.17Input: $0.14 | Output: $0.28
Speed
109.1 tps
Context WindowLarger
1M tokens
Model Specs

GPT-5.4 mini

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+5.3%)
54.4%
Reasoning (gpqa-diamond)Winner (+7.5%)
87.5%

Cost & Performance

Cost (per 1M tokens)
$1.69Input: $0.75 | Output: $4.50
Speed1.8x faster
201 tps
Context Window
400k tokens

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