Which model is better: DeepSeek V4 Flash Vision (Exp) or GPT-4o Mini?
GPT-4o Mini is 31.8% cheaper for input tokens ($0.15 vs. $0.22 per 1M tokens) and $0.60 vs. $0.65 for output tokens (1.5x cost advantage). In terms of operational performance, GPT-4o Mini delivers lower response latency at 220ms TTFT (90ms faster than DeepSeek V4 Flash Vision (Exp)) with 140 vs. 165 tok/s throughput. DeepSeek V4 Flash Vision (Exp) leads coding evaluations at 77.4% SWE-bench Verified vs. 41.0% for GPT-4o Mini and 91.3% vs. 40.2% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.
Zero-Shot RAG Verified
Verified Performance & Unit Economics Delta (12 Dimensions)
Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.
Which is cheaper: DeepSeek V4 Flash Vision (Exp) or GPT-4o Mini?
GPT-4o Mini is cheaper at $0.15/1M input tokens ($0.60/1M output) compared to $0.22/1M input ($0.65/1M output) for DeepSeek V4 Flash Vision (Exp).
Which model has lower TTFT latency and higher tok/s throughput: DeepSeek V4 Flash Vision (Exp) or GPT-4o Mini?
GPT-4o Mini delivers faster first-token latency at 220ms TTFT (140 tok/s throughput) compared to 310ms TTFT (165 tok/s) for DeepSeek V4 Flash Vision (Exp).
How do DeepSeek V4 Flash Vision (Exp) and GPT-4o Mini compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, DeepSeek V4 Flash Vision (Exp) scores 77.4% versus 41% for GPT-4o Mini. On GPQA Diamond graduate-level STEM reasoning, DeepSeek V4 Flash Vision (Exp) scores 91.3% versus 40.2% for GPT-4o Mini (and 96.4% vs 70.2% on MATH-500).
When should you choose DeepSeek V4 Flash Vision (Exp)?
Choose DeepSeek V4 Flash Vision (Exp) (DeepSeek) for ultra-low-cost open-weight multimodal MoE built for high-throughput visual document OCR, chart interpretation, and real-time autonomous coding agents — offering a 1,048k context window, 310ms TTFT, and $0.22/1M input pricing ($0.007/1M cached reads).
When should you choose GPT-4o Mini?
Choose GPT-4o Mini (OpenAI) for high-volume classification, lightweight RAG chatbots, and structured JSON extraction — offering a 131k context window, 220ms TTFT, and $0.15/1M input pricing ($0.075/1M cached reads).