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Qwen3.8 Flash API

Open in consoleI need inference
  • 1MContext
  • 131KMax output
  • $0.113/ $0.382From, per 1M in / out
  • 1Provider
Providers
  • DeepInfra

Pricing

ProviderInput / 1MCached / 1MOutput / 1M
DeepInfra$0.113$0.0141$0.382

USD, as of October 27, 2026. Live prices

Cost

WorkloadDeepInfra
1,000 chat replies2K in, 500 out each$0.42
1,000 agent tasks50K in, 5K out each$7.56
Monthly batch job500M in, 50M out$75.60

Quickstart

OpenAI-compatible
curl https://api.routerplus.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTERPLUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3.8-flash",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'

FAQ

How much does the Qwen3.8 Flash API cost?

On RouterPlus, Qwen3.8 Flash costs $0.113 per million input tokens and $0.382 per million output tokens at DeepInfra, the lowest listed prices and the provider where routing starts. Prices as of October 27, 2026.

Which providers serve Qwen3.8 Flash?

DeepInfra serves Qwen3.8 Flash on RouterPlus today.

What is the Qwen3.8 Flash model ID?

Use "qwen/qwen3.8-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 Qwen3.8 Flash context window?

1M tokens of context and up to 131K output tokens, per the RouterPlus catalog. A provider can list a lower limit; the console shows each one.

Is Qwen3.8 Flash open weights?

No. Qwen3.8 Flash is a proprietary Qwen model. On RouterPlus it is served by DeepInfra.

Do any Qwen3.8 Flash providers retain prompts?

None of the 1 providers serving Qwen3.8 Flash on RouterPlus list prompt retention.

Can I reserve capacity for Qwen3.8 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 Qwen

All Qwen modelsAll models

Need Qwen3.8 Flash at volume?

Open in consoleI need inference