DeepSeek V4.1 Flash
deepseek/deepseek-v4.1-flash
V4.1 hybrid-attention reasoning with vision.
cmd --model deepseek/deepseek-v4.1-flash
Intelligence index
not yet scored
Output speed
not yet scored
Input
$0.15 /M
Output
$0.60 /M
Cache read
$0.003 /M
Agent-loop cost
$0.05 /M in
Context window
1M tokens
Released
—
Modalities
→
vs. the lineup
DeepSeek V4.1 Flash beside its stablemates and nearest rivals. The ◆ marks the best value in each column across every row shown.
pin a rival:
| Model | Intelligence | Coding | Speed | Input $/M | Output $/M | Blended $/M | Context |
|---|---|---|---|---|---|---|---|
| Muse Spark 1.3 Contributor | 53◆ | 76.3◆ | 221◆ | $0.10◆ | $0.20◆ | $0.13◆ | 1.05M◆ |
| DeepSeek V4 Pro (latest) | 42.1◆ | 68.8◆ | 62.1◆ | $0.66◆ | $1.98◆ | $0.99◆ | 1M◆ |
| DeepSeek V4 Flash (latest) | 41◆ | 69.1◆ | 117.7◆ | $0.15◆ | $0.60◆ | $0.26◆ | 1M◆ |
| DeepSeek V4 Flash Vision (exp) | 40.7◆ | 65◆ | 119.5◆ | $0.22◆ | $0.66◆ | $0.33◆ | 1M◆ |
| DeepSeek V4.1 Flash ◆ | —◆ | —◆ | —◆ | $0.15◆ | $0.60◆ | $0.26◆ | 1M◆ |
| DeepSeek V4 Flash Fast | —◆ | —◆ | —◆ | $0.28◆ | $0.56◆ | $0.35◆ | 1M◆ |
| Kimi K3pinned | 50.2◆ | 76.2◆ | 42.2◆ | $3◆ | $15◆ | $6◆ | 1M◆ |
| Kimi K2.7 Codepinned | 32.7◆ | 60.8◆ | 65.7◆ | $0.95◆ | $4◆ | $1.71◆ | 256K◆ |
peak hours
DeepSeek V4.1 Flash 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.
| Band | Hours (UTC) | Input $/M | Output $/M | Cache read $/M |
|---|---|---|---|---|
| Off-peak | 17h/day | $0.15 | $0.60 | $0.003 |
| Peak | 7h/day · 01–04 & 06–10 UTC, Mon–Fri | $0.30 | $1.20 | $0.006 |
usage calculator
How far a month of credits goes on DeepSeek V4.1 Flash.
Input tokensfresh prompt
800Output tokensmodel reply
180Cache read tokensre-read context
50Kcost / request $0.0004 · in $0.15 · out $0.60 · cache $0.003 per M
fresh input 32%output 29%cache reads 40%
Requests / 30 days
26K
$10 credits ÷ $0.0004 per request
~5.3K quick fixes~1.1K bug fixes~176 feature PRs
what real work costs
Real coding tasks priced end to end on DeepSeek V4.1 Flash, from a quick lookup to a full-repo agent run.
One agent task
$0.01
180K in at 75% cache hit, 12K out
What you pay
$0.07 /M
all-in across every token that task touched
Sticker input
$0.15 /M
cache reads bill at $0.003 /M instead
| Task | Tokens in · out | DeepSeek V4.1 Flash | Muse Spark 1.3 Contributor | Claude Haiku 4.5 |
|---|---|---|---|---|
| Quick lookup / one-liner | 8K · 1K | $0.0007 | $0.0003 | $0.0065 |
| Review a 500-line PR | 60K · 4K | $0.0052 | $0.0027 | $0.04 |
| Fix a bug (agent loop) | 180K · 12K | $0.01 | $0.0072 | $0.12 |
| Refactor a module | 320K · 20K | $0.03 | $0.01 | $0.21 |
| Full-repo agent run | 900K · 45K | $0.06 | $0.03 | $0.49 |
frequently asked
How much does DeepSeek V4.1 Flash cost?
$0.15/M input and $0.60/M output, cache reads $0.003/M. In an agent loop most input is cache-read, so the effective input rate is about $0.05/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, or type /model in a session and pick it. You can switch mid-session without losing context.Ship code that matches your taste
Command Code is the AI coding agent that continuously learns your taste. Start for $1.
Benchmarks from Artificial Analysis (v4.3)commandcode.ai/models/deepseek-v4-1-flash