DeepSeek V4.1 Flash (beta)

deepseek/deepseek-v4.1-flash-beta

beta V4.1 hybrid-attention reasoning with vision.

cmd --model deepseek/deepseek-v4.1-flash-beta
Intelligence index
not yet scored
Output speed
not yet scored
Input
$0.22 /M
Output
$0.66 /M
Cache read
$0.007 /M
Agent-loop cost
$0.07 /M in
Context window
1M tokens
Released
Modalities

vs. the lineup

DeepSeek V4.1 Flash (beta) beside its stablemates and nearest rivals. The ◆ marks the best value in each column across every row shown.

pin a rival:
ModelIntelligenceCodingSpeedInput $/MOutput $/MBlended $/MContext
Muse Spark 1.3 Contributor5376.3221$0.10$0.20$0.131.05M
DeepSeek V4 Pro (latest)42.168.862.1$0.66$1.98$0.991M
DeepSeek V4 Flash (latest)4169.1117.7$0.22$0.66$0.331M
DeepSeek V4 Flash Vision (exp)40.765119.5$0.22$0.66$0.331M
DeepSeek V4.1 Flash (beta)$0.22$0.66$0.331M
DeepSeek V4 Flash Fast$0.28$0.56$0.351M
Kimi K3pinned50.276.242.2$3$15$61M
Kimi K2.7 Codepinned32.760.865.7$0.95$4$1.71256K

peak hours

DeepSeek V4.1 Flash (beta) is not billed at one flat rate — the price changes with the time of day. Every other price on this page is the off-peak rate, which is what a request costs 17 hours out of 24. Peak runs Monday to Friday only, so it is never charged at the weekend.

BandHours (UTC)Input $/MOutput $/MCache read $/M
Off-peak17h/day$0.22$0.66$0.007
Peak7h/day · 01–04 & 06–10 UTC, Mon–Fri$0.44$1.32$0.01

usage calculator

How far a month of credits goes on DeepSeek V4.1 Flash (beta).

Input tokensfresh prompt
800
Output tokensmodel reply
180
Cache read tokensre-read context
50K
cost / request $0.0006 · in $0.22 · out $0.66 · cache $0.007 per M
fresh input 27%output 18%cache reads 54%
Requests / 30 days
16K
$10 credits ÷ $0.0006 per request
~3.1K quick fixes~620 bug fixes~103 feature PRs

what real work costs

Real coding tasks priced end to end on DeepSeek V4.1 Flash (beta), from a quick lookup to a full-repo agent run.

One agent task
$0.02
180K in at 75% cache hit, 12K out
What you pay
$0.10 /M
all-in across every token that task touched
Sticker input
$0.22 /M
cache reads bill at $0.007 /M instead
TaskTokens in · outDeepSeek V4.1 Flash (beta)Muse Spark 1.3 ContributorClaude Haiku 4.5
Quick lookup / one-liner8K · 1K$0.0009$0.0003$0.0065
Review a 500-line PR60K · 4K$0.0069$0.0027$0.04
Fix a bug (agent loop)180K · 12K$0.02$0.0072$0.12
Refactor a module320K · 20K$0.03$0.01$0.21
Full-repo agent run900K · 45K$0.08$0.03$0.49

frequently asked

How much does DeepSeek V4.1 Flash (beta) cost?
$0.22/M input and $0.66/M output, cache reads $0.007/M. In an agent loop most input is cache-read, so the effective input rate is about $0.07/M.
Which plan do I need?
Available on Go and above.
How do I switch to it?
Run cmd --model deepseek/deepseek-v4.1-flash-beta, or type /model in a session and pick it. You can switch mid-session without losing context.

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Benchmarks from Artificial Analysis (v4.3)commandcode.ai/models/deepseek-v4-1-flash-beta