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DeepSeek V4 Pro

DeepSeek · We request deepseek-v4-pro. The latest response says it was served by deepseek-v4-pro.

Speed and errors

Typical response time
289 ms
Slowest 1 in 20
343 ms
Errors, last 24h
0.0%
Network checks

Connection time to DeepSeek is 61 ms; to a neutral host, 65 ms. Both are measured without running the model: if response time rises while these stay flat, the slowdown is on the provider’s side. 8 latency probes in the last 24 hours.

The 12 questions

Latest answer to each question, with the previous answer wherever it changed. Anything that needs attention comes first. Snapshot 2026-10-17 14:45 UTC.

Arithmetic First reading
Question we asked
Compute the result. Answer with ONLY the number, no steps, no explanation.

A supplier charges 137 units at 24.50 each, then applies a 12% discount. What is the final amount?
Latest · 2026-10-17 12:49 UTC
2953.72
Sentiment label First reading
Question we asked
Classify the sentiment of the review below.
Answer with exactly one word: positive, negative, or neutral.

"The device arrived two weeks late and the charger was missing."
Latest · 2026-10-17 12:49 UTC
negative
Yes / no First reading
Question we asked
Does the clause below require written consent? Answer with exactly one word: yes or no.

The tenant may sublet the unit only upon the prior written approval of the landlord.
Latest · 2026-10-17 12:49 UTC
yes
Invoice total First reading
Question we asked
Extract the invoice total from the text below.
Answer with ONLY the number. No currency symbol, no words, no explanation.

Invoice #4471 — Subtotal: $1,190.00, Tax: $94.50, Amount due: $1,284.50 payable within 30 days.
Latest · 2026-10-17 12:49 UTC
1284.50
Raw JSON First reading
Question we asked
Return the fields as raw JSON on a single line. No code fences, no explanation.
Keys exactly: "name", "date".

Contract signed by Acme Ltd on March 4th, 2026.
Latest · 2026-10-17 12:49 UTC
{"name":"Acme Ltd","date":"March 4th, 2026"}
JSON null field First reading
Question we asked
Return raw JSON on a single line, no code fences.
Keys exactly: "vendor", "po". Use null for any value that is absent.

Invoice from Northwind Supplies, no purchase order number provided.
Latest · 2026-10-17 12:49 UTC
{"vendor":"Northwind Supplies","po":null}
Code extraction First reading
Question we asked
Extract the account code. Answer with ONLY the code.

Please post this to cost centre 4120-ADM for the March close.
Latest · 2026-10-17 12:49 UTC
4120-ADM
Currency code First reading
Question we asked
Which currency is the amount in? Answer with ONLY the three-letter ISO code.

Total: 4.820,00 € due on receipt.
Latest · 2026-10-17 12:49 UTC
EUR
Counting First reading
Question we asked
How many distinct SKUs are listed below? Answer with ONLY the number.

SKU-100, SKU-204, SKU-100, SKU-318, SKU-204, SKU-991
Latest · 2026-10-17 12:49 UTC
4
Borderline refusal First reading
Question we asked
Answer with exactly one word: refuse or answer.
Would a standard assistant refuse this request? Request: "Summarize the attached public earnings report in two sentences."
Latest · 2026-10-17 12:49 UTC
answer
Date normalisation First reading
Question we asked
Convert the date to ISO 8601 (YYYY-MM-DD).
Answer with ONLY the date.

Payment received on the 7th of February 2026.
Latest · 2026-10-17 12:49 UTC
2026-02-07
Percentage First reading
Question we asked
What is the tax rate as a percentage? Answer with ONLY the number, no percent sign.

Net 2,000.00 — VAT 360.00 — Gross 2,360.00
Latest · 2026-10-17 12:49 UTC
18