DeepSeek-V4 Flash vs OpenAI GPT-4o
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: DeepSeek-V4 Flash or OpenAI GPT-4o?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | DeepSeek-V4 Flash | OpenAI GPT-4o | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.14 | $2.50 | DeepSeek-V4 Flash is 17.9x cheaper |
| Output Cost / 1M Tokens | $0.56 | $10.00 | DeepSeek-V4 Flash (94.4% lower) |
| Avg TTFT Response Latency | 150ms | 280ms | DeepSeek-V4 Flash (+130ms faster) |
| SWE-bench Verified (Coding) | 62.4% | 38.8% | DeepSeek-V4 Flash (+23.6% lead) |
| Inference Value Score (IVR) | 99.9 / 100 | 45.5 / 100 | DeepSeek-V4 Flash (+54.4 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens.
Estimated Monthly Spend
$0.14/1M in · $0.56/1M out
$2.5/1M in · $10/1M out
When to Choose DeepSeek-V4 Flash
Choose DeepSeek-V4 Flash when you need Ultra-low-cost open-weights reasoning and coding with 1M context at unprecedented token generation speeds. and have an infrastructure budget aligned with $0.14/1M tokens.
When to Choose OpenAI GPT-4o
Choose OpenAI GPT-4o when you need General multimodal assistant applications, consumer chat interfaces, and enterprise knowledge workers. and prioritize OpenAI ecosystem integration at $2.50/1M tokens.
Related Questions & Decision Factors
Which is cheaper: DeepSeek-V4 Flash or OpenAI GPT-4o?
DeepSeek-V4 Flash is cheaper at $0.14/1M input tokens compared to $2.50/1M for OpenAI GPT-4o.
Which model has lower latency: DeepSeek-V4 Flash or OpenAI GPT-4o?
DeepSeek-V4 Flash delivers faster response times with an average TTFT of 150ms vs 280ms for OpenAI GPT-4o.
When should you choose DeepSeek-V4 Flash?
Choose DeepSeek-V4 Flash when you need Ultra-low-cost open-weights reasoning and coding with 1M context at unprecedented token generation speeds. and have an infrastructure budget aligned with $0.14/1M tokens.
When should you choose OpenAI GPT-4o?
Choose OpenAI GPT-4o when you need General multimodal assistant applications, consumer chat interfaces, and enterprise knowledge workers. and prioritize OpenAI ecosystem integration at $2.50/1M tokens.