DeepSeek-V4 Flash Vision Exp vs OpenAI o3-mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: DeepSeek-V4 Flash Vision Exp or OpenAI o3-mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | DeepSeek-V4 Flash Vision Exp | OpenAI o3-mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.14 | $1.10 | DeepSeek-V4 Flash Vision Exp is 7.9x cheaper |
| Output Cost / 1M Tokens | $0.56 | $4.40 | DeepSeek-V4 Flash Vision Exp (87.3% lower) |
| Prompt Cache Read / 1M | $0.014 | $0.550 | DeepSeek-V4 Flash Vision Exp is 39.3x cheaper |
| Prompt Cache Write / 1M | $0.14 | $1.10 | DeepSeek-V4 Flash Vision Exp is 7.9x cheaper |
| Avg TTFT Response Latency | 140ms | 1250ms | DeepSeek-V4 Flash Vision Exp (+1110ms faster) |
| SWE-bench Verified (Coding) | 64.2% | 49.3% | DeepSeek-V4 Flash Vision Exp (+14.9% lead) |
| Inference Value Score (IVR) | 79.9 / 100 | 58.2 / 100 | DeepSeek-V4 Flash Vision Exp (+21.7 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 · $0.56/1M out
Prompt Cache: $0.014/1M read · $0.14/1M write
$1.10/1M in · $4.40/1M out
Prompt Cache: $0.550/1M read · $1.10/1M write
When to Choose DeepSeek-V4 Flash Vision Exp
Choose DeepSeek-V4 Flash Vision Exp when you need Ultra-low-cost multimodal open weights with 1M context and multi-head latent attention for high-speed document and visual reasoning. and have an infrastructure budget aligned with $0.14/1M tokens.
When to Choose OpenAI o3-mini
Choose OpenAI o3-mini when you need High-throughput STEM reasoning, competitive coding, and low-latency algorithmic problem solving with configurable thinking effort. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.
Related Questions & Decision Factors
Which is cheaper: DeepSeek-V4 Flash Vision Exp or OpenAI o3-mini?
DeepSeek-V4 Flash Vision Exp is cheaper at $0.14/1M input tokens compared to $1.10/1M for OpenAI o3-mini.
Which model has lower latency: DeepSeek-V4 Flash Vision Exp or OpenAI o3-mini?
DeepSeek-V4 Flash Vision Exp delivers faster response times with an average TTFT of 140ms vs 1250ms for OpenAI o3-mini.
When should you choose DeepSeek-V4 Flash Vision Exp?
Choose DeepSeek-V4 Flash Vision Exp when you need Ultra-low-cost multimodal open weights with 1M context and multi-head latent attention for high-speed document and visual reasoning. and have an infrastructure budget aligned with $0.14/1M tokens.
When should you choose OpenAI o3-mini?
Choose OpenAI o3-mini when you need High-throughput STEM reasoning, competitive coding, and low-latency algorithmic problem solving with configurable thinking effort. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.