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DeepSeek V4.1 Flash

DeepSeek's V4.1 Flash (10 Sep 2026; about $0.30/$1.20 per M tokens), succeeding V4 Flash. Newly added: Playground benchmark metrics are still being gathered.

Avg tokens per run
68,340
Avg duration
24.3s
Turns to checkout
7.5
Checkout20Cart50Search100Turn efficiency56Token efficiency47
Shopping score
43/100Fair

Scores come from runs on UCP stores, not estimates: every figure is a tool call, a checkout attempt or a store’s answer.

Shopping score breakdown

  • Checkout rate40%20%
  • Cart rate20%50%
  • Search rate10%100%
  • Turn efficiency15%56%
  • Token efficiency15%47%

Top stores

Not enough store data yet.

Known issues

  • LowMetrics Pending

    DeepSeek V4.1 Flash was recently added; its Playground benchmark metrics are still being gathered.

Token usage

Avg per run
68,340
Average of all models
78,415
Against the average
−13%
Median (p50)
62,433
p90
117,889

Prompt and completion

Prompt 65,939 (96%)Completion 2,401 (4%)

Daily average tokens per run, last 30 days

Oct 27Total 78,687Prompt 76,052Completion 2,635

Range

Min
11,213
p25
25,304
p50
62,433
p75
110,649
p90
117,889
Max
144,839

Test DeepSeek V4.1 Flash on your store

Start a run to see how DeepSeek V4.1 Flash handles your store’s checkout, call by call.

Start a run