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by DeepSeek

DeepSeek: DeepSeek V4 Flash 0731.

text open weights 1M ctx
Cheapest input
$0.06/M
on DeepInfra
Cheapest output
$0.12/M
on OpenRouter
Hosted equiv.
~$0.04/hr
@ 100 tok/s on OpenRouter

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
DeepInfra hosted inference $0.06 $0.18 Launch ↗
OpenRouter api aggregator $0.06 $0.12 Launch ↗
Together AI hosted inference $0.14 $0.28 Launch ↗
Sources

Official references.

Hugging Face ↗
FAQ

Frequently asked.

How do I run DeepSeek: DeepSeek V4 Flash 0731?
DeepSeek: DeepSeek V4 Flash 0731 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 Flash 0731?
DeepSeek: DeepSeek V4 Flash 0731 is available via Fireworks AI, 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 Flash 0731?
API pricing starts at $0.14/M input tokens and $0.28/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is DeepSeek: DeepSeek V4 Flash 0731 open-source or proprietary?
DeepSeek: DeepSeek V4 Flash 0731 is open-weight under the license. You can download and self-host it.