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DeepSeek V4 Flash API

Open in consoleI need inference
  • 1MContext
  • 384KMax output
  • $0.23/ $0.62From, per 1M in / out
  • 1Provider
Providers
  • Inference.net

Pricing

ProviderInput / 1MCached / 1MOutput / 1M
Inference.net$0.23$0.0028$0.62

USD, as of October 27, 2026. Live prices

Cost

WorkloadInference.net
1,000 chat replies2K in, 500 out each$0.77
1,000 agent tasks50K in, 5K out each$14.60
Monthly batch job500M in, 50M out$146.00

Quickstart

OpenAI-compatible
curl https://api.routerplus.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTERPLUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v4-flash",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'

FAQ

How much does the DeepSeek V4 Flash API cost?

On RouterPlus, DeepSeek V4 Flash costs $0.23 per million input tokens and $0.62 per million output tokens at Inference.net, the lowest listed prices and the provider where routing starts. Prices as of October 27, 2026.

Which providers serve DeepSeek V4 Flash?

Inference.net serves DeepSeek V4 Flash on RouterPlus today.

What is the DeepSeek V4 Flash model ID?

Use "deepseek/deepseek-v4-flash" as the model with the OpenAI-compatible endpoint at https://api.routerplus.com/v1. The same key also accepts the Anthropic API format.

What is the DeepSeek V4 Flash context window?

1M tokens of context and up to 384K output tokens, per the RouterPlus catalog. A provider can list a lower limit; the console shows each one.

Is DeepSeek V4 Flash open weights?

Yes. DeepSeek publishes DeepSeek V4 Flash as an open-weight model, which is why several independent providers can host it.

Do any DeepSeek V4 Flash providers retain prompts?

None of the 1 providers serving DeepSeek V4 Flash on RouterPlus list prompt retention.

Can I reserve capacity for DeepSeek V4 Flash?

Yes. Tell us the model, the throughput you need and the region with "I need inference", and RouterPlus lines up reserved capacity for it.

More DeepSeek

All DeepSeek modelsAll models

Need DeepSeek V4 Flash at volume?

Open in consoleI need inference