DeepSeek R1 vs DeepSeek-V4 Flash Vision Exp
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: DeepSeek R1 or DeepSeek-V4 Flash Vision Exp?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | DeepSeek R1 | DeepSeek-V4 Flash Vision Exp | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.55 | $0.14 | DeepSeek-V4 Flash Vision Exp is 3.9x cheaper |
| Output Cost / 1M Tokens | $2.19 | $0.56 | DeepSeek-V4 Flash Vision Exp (74.4% lower) |
| Prompt Cache Read / 1M | $0.140 | $0.014 | DeepSeek-V4 Flash Vision Exp is 10.0x cheaper |
| Prompt Cache Write / 1M | $0.55 | $0.14 | DeepSeek-V4 Flash Vision Exp is 3.9x cheaper |
| Avg TTFT Response Latency | 1800ms | 140ms | DeepSeek-V4 Flash Vision Exp (+1660ms faster) |
| SWE-bench Verified (Coding) | 49.2% | 64.2% | DeepSeek-V4 Flash Vision Exp (+15.0% lead) |
| Inference Value Score (IVR) | 64.5 / 100 | 79.9 / 100 | DeepSeek-V4 Flash Vision Exp (+15.4 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
$0.55/1M in · $2.19/1M out
Prompt Cache: $0.140/1M read · $0.55/1M write
$0.14/1M in · $0.56/1M out
Prompt Cache: $0.014/1M read · $0.14/1M write
When to Choose DeepSeek R1
Choose DeepSeek-R1 when you need Open-weights frontier reasoning and deep analytical problem solving at unmatched cost-per-token efficiency. and have an infrastructure budget aligned with $0.55/1M tokens.
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 prioritize DeepSeek ecosystem integration at $0.14/1M tokens.
Related Questions & Decision Factors
Which is cheaper: DeepSeek R1 or DeepSeek-V4 Flash Vision Exp?
DeepSeek-V4 Flash Vision Exp is cheaper at $0.14/1M input tokens compared to $0.55/1M for DeepSeek R1.
Which model has lower latency: DeepSeek R1 or DeepSeek-V4 Flash Vision Exp?
DeepSeek-V4 Flash Vision Exp delivers faster response times with an average TTFT of 140ms vs 1800ms for DeepSeek R1.
When should you choose DeepSeek R1?
Choose DeepSeek-R1 when you need Open-weights frontier reasoning and deep analytical problem solving at unmatched cost-per-token efficiency. and have an infrastructure budget aligned with $0.55/1M tokens.
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 prioritize DeepSeek ecosystem integration at $0.14/1M tokens.