by DeepSeek
DeepSeek: DeepSeek V4.1 Flash.
multimodal
open weights
1M ctx
Cheapest input
$0.15/M
on OpenRouter
Cheapest output
$0.6/M
on DeepInfra
Hosted equiv.
~$0.22/hr
@ 100 tok/s on DeepInfra
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
Where to use it
Cheapest hosted endpoints.
FAQ
Frequently asked.
How do I run DeepSeek: DeepSeek V4.1 Flash?
DeepSeek: DeepSeek V4.1 Flash is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access DeepSeek: DeepSeek V4.1 Flash?
DeepSeek: DeepSeek V4.1 Flash is available via Together AI, DeepInfra, OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run DeepSeek: DeepSeek V4.1 Flash?
API pricing starts at $0.15/M input tokens and $0.6/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is DeepSeek: DeepSeek V4.1 Flash open-source or proprietary?
DeepSeek: DeepSeek V4.1 Flash is open-weight under the license. You can download and self-host it.
API pricing
Per provider
What it costs per month across providers.
Estimate your monthly bill for DeepSeek: DeepSeek V4.1 Flash across every host that publishes per-token pricing. Slide your token volumes; the chart + table re-rank cheapest-first.
Cheapest
$2.7
OpenRouter
Most expensive
$5.4
Together AI
Spread
$2.7
max − min
Providers
3
with priced rows
Monthly bill
Cheapest provider on the left.
Total monthly cost — input + output tokens combined.
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Bill breakdown.
Full calculator
Want to compare token volumes across other models too?
Open the standalone API pricing tool →
Context window
How much it can remember.
1M tokens
≈ 786,432 English words
4K
32K
128K
1M
Capabilities
What it can do.
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Vision input
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Audio input
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Video input
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Function calling
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Tool use
·
JSON mode
✓
Streaming
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Fine-tuning