$0.03 per 1M tokensInput price on OpenRouter, per 1M tokens
$0.14 per 1M tokensOutput price on OpenRouter, per 1M tokens
1,048,576 tokensContext window
943,718 tokensLongest reply (max output)
As listed on OpenRouter; details and sources below.
OpenRouter lists DeepSeek V4.1 Flash at $0.03 per 1M tokens for input and $0.14 per 1M tokens for output. ObservedLast checked · Source · Methodology
A large change waits for confirmation: the check on Oct 18, 2026 returned a price more than 50% above the value shown. The value above stays until a check on another date returns the same price; until then the move is not counted as a change.
Amount worked out from the source page: $0.03 per 1M tokens, in USD · as shown in the United States on Oct 17, 2026 · the page does not say whether tax is included; we do not assume it is excluded.
What changed:the listed price moved between checks since Oct 16, 2026; see the record history · re-checking a large change
Page updated:
Other measured facts
Question
Answer
Checked
Status
How much does DeepSeek DeepSeek V4.1 Flash cost per 1M output tokens on OpenRouter?
$0.14 per 1M tokens
Observed
What is the context window of DeepSeek DeepSeek V4.1 Flash on OpenRouter, in tokens?
1,048,576 tokens
Observed
What is the maximum output length of DeepSeek DeepSeek V4.1 Flash on OpenRouter, in tokens?
943,718 tokens
Observed
History
The listed price moved between the 2 checks since Oct 16, 2026; every reading is in the record history below.
Marketplace price over the 7 days to Oct 17, 2026: $0.03 per 1M tokens – $0.04 per 1M tokens (2 checks). Short-lived price moves are not listed as changes.
— First check: $0.04 per 1M tokens Added to tracking later than most plans here; it joins month-to-month comparisons from its second month.
Short-lived or unconfirmed moves are not shown as changes.
The source record lists $0.000000032 per token ($0.03 per 1M tokens), fetched on Oct 17, 2026.
The source record, as published
"prompt":"0.000000032"
What the source says · openrouter.aiRecord history — 16 records for 7 questions
Last record
Shown in
the United States
How much does DeepSeek V4.1 Flash cost per 1M input tokens on OpenRouter?
Time
Value
Status
Oct 17, 2026
$0.03 per 1M tokens
Observed
Oct 16, 2026
$0.04 per 1M tokens
Observed
How much does DeepSeek V4.1 Flash cost per 1M output tokens on OpenRouter?
Time
Value
Status
Oct 18, 2026
$0.14 per 1M tokens
Observed
Oct 17, 2026
$0.14 per 1M tokens
Observed
Oct 16, 2026
$0.64 per 1M tokens
Observed
What is the context window of DeepSeek V4.1 Flash on OpenRouter, in tokens?
Time
Value
Status
Oct 18, 2026
1,048,576 tokens
Observed
Oct 17, 2026
1,048,576 tokens
Observed
Oct 16, 2026
1,048,576 tokens
Observed
What is the maximum output length of DeepSeek V4.1 Flash on OpenRouter, in tokens?
Time
Value
Status
Oct 18, 2026
943,718 tokens
Observed
Oct 17, 2026
943,718 tokens
Observed
Oct 16, 2026
943,718 tokens
Observed
How much does DeepSeek V4.1 Flash (peak rate) cost per 1M cache-read tokens (cache hits) directly from DeepSeek (official API price)?
Time
Value
Status
Oct 17, 2026
$0.0060 per 1M tokens
Observed
How much does DeepSeek V4.1 Flash (peak rate) cost per 1M input tokens directly from DeepSeek (official API price)?
Time
Value
Status
Oct 17, 2026
$0.30 per 1M tokens
Observed
Oct 16, 2026
$0.30 per 1M tokens
Observed
How much does DeepSeek V4.1 Flash (peak rate) cost per 1M output tokens directly from DeepSeek (official API price)?