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DeepSeek V4 Pro 0813 versus DeepSeek V4.1 Flash 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 · canonical pair

DeepSeek V4 Pro 0813vsDeepSeek V4.1 Flash

Alphabetical by model id, so this URL is the one to index. DeepSeek V4 Pro 0813 is deepseek/deepseek-v4-pro-0813. DeepSeek V4.1 Flash is deepseek/deepseek-v4.1-flash. Both are among the models the most providers list, inside the DeepSeek group.

vs

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 Pro 0813DeepSeek V4.1 Flash
Monthly, reference workload$6.93$1.80
Input / 1M$0.66$0.15
Output / 1M$1.98$0.60
Cache read / 1M$0.022$0.003
Cache write / 1M——
Context1,000,0001,000,000
Max output384,000384,000
ReasoningYesYes
Tool callsYesYes
VisionNoYes
Open weightsYesYes
Providers4264
Released2026-08-122026-09-10

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 0813 costs $5.13 more per month than DeepSeek V4.1 Flash 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