DeepSeek V4 Flash 0731 versus DeepSeek V4 Pro on price, context, and capabilities. Both are in the DeepSeek group. Costs use a shared reference workload. Prices from Models.dev. Data last refreshed Oct 14, 2026, 05:43 PM UTC.

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DeepSeek V4 Flash 0731vsDeepSeek V4 Pro

Alphabetical by model id, so this URL is the one to index. DeepSeek V4 Flash 0731 is deepseek/deepseek-v4-flash-0731. DeepSeek V4 Pro is deepseek/deepseek-v4-pro. Both are among the models the most providers list, inside the DeepSeek group.

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100 requests a day, 2,000 input tokens and 500 output tokens, no cache hits. A light chat workload so the rate cards are comparable.
SpecDeepSeek V4 Flash 0731DeepSeek V4 Pro
Monthly, reference workload$1.26$13.86
Input / 1M$0.14$1.32
Output / 1M$0.28$3.96
Cache read / 1M$0.003$0.042
Cache write / 1M——
Context1,000,0001,000,000
Max output384,000384,000
ReasoningYesYes
Tool callsYesYes
VisionNoNo
Open weightsYesYes
Providers5658
Released2026-07-312026-04-24

Same workload, your numbers

Prices are USD per 1M tokens. A month is 30 days. Cache hits use the cache-read rate when the model has one; otherwise the cache field is ignored.

DeepSeek V4 Pro costs $12.60 more per month than DeepSeek V4 Flash 0731 at these inputs.

monthly = requests/day × 30 × (input tokens × (1 − cache hit) × input price + input tokens × cache hit × cache-read price + output tokens × output price) ÷ 1,000,000