DeepSeek V3 vs GPT-4o Mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: DeepSeek V3 or GPT-4o Mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | DeepSeek V3 | GPT-4o Mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.14 | $0.15 | DeepSeek V3 is 1.1x cheaper |
| Output Cost / 1M Tokens | $0.28 | $0.60 | DeepSeek V3 (53.3% lower) |
| Prompt Cache Read / 1M | $0.014 | $0.075 | DeepSeek V3 is 5.4x cheaper |
| Prompt Cache Write / 1M | $0.14 | $0.15 | DeepSeek V3 is 1.1x cheaper |
| Avg TTFT Response Latency | 410ms | 220ms | GPT-4o Mini (+190ms faster) |
| SWE-bench Verified (Coding) | 42% | 41% | DeepSeek V3 (+1.0% lead) |
| Inference Value Score (IVR) | 75.9 / 100 | 70.6 / 100 | DeepSeek V3 (+5.3 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.
Estimated Monthly Spend
$0.14/1M in · $0.28/1M out
Prompt Cache: $0.014/1M read · $0.14/1M write
$0.15/1M in · $0.60/1M out
Prompt Cache: $0.075/1M read · $0.15/1M write
When to Choose DeepSeek V3
Choose DeepSeek V3 when you need Massive mixture-of-experts generalist model offering industry-leading price-to-performance efficiency for production chat and drafting. and have an infrastructure budget aligned with $0.14/1M tokens.
When to Choose GPT-4o Mini
Choose GPT-4o Mini when you need Ultra-affordable, low-latency multimodal model optimized for high-volume customer queries, fine-tuning, and structured JSON extraction. and prioritize OpenAI ecosystem integration at $0.15/1M tokens.
Related Questions & Decision Factors
Which is cheaper: DeepSeek V3 or GPT-4o Mini?
DeepSeek V3 is cheaper at $0.14/1M input tokens compared to $0.15/1M for GPT-4o Mini.
Which model has lower latency: DeepSeek V3 or GPT-4o Mini?
GPT-4o Mini delivers faster response times with an average TTFT of 220ms vs 410ms for DeepSeek V3.
When should you choose DeepSeek V3?
Choose DeepSeek V3 when you need Massive mixture-of-experts generalist model offering industry-leading price-to-performance efficiency for production chat and drafting. and have an infrastructure budget aligned with $0.14/1M tokens.
When should you choose GPT-4o Mini?
Choose GPT-4o Mini when you need Ultra-affordable, low-latency multimodal model optimized for high-volume customer queries, fine-tuning, and structured JSON extraction. and prioritize OpenAI ecosystem integration at $0.15/1M tokens.