OpenAI compatible API · Attested · Public status

Qwen 3.8 27B vs DeepSeek: DeepSeek V4 Flash 0731

Qwen 3.8 27B vs DeepSeek V4 Flash 0731: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

Verify gateway

Onebase URL to migrate

100sof models and routes

0prompt or output logs. Always.

Compare routesProviders, price, context, and policy posture in one view.

Use auto when uptime mattersKeep a primary model and let fallback handle provider failures.

Same API shapeUse the OpenAI client and set the model you want.

Practical read

Monthly evidence

Qwen 3.8 27B has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Flash 0731 has more provider fallback routes, while DeepSeek: DeepSeek V4 Flash 0731 has the larger context window. Current TrustedRouter probes show DeepSeek: DeepSeek V4 Flash 0731 with the lower p50 TTFT.

$0.02/1MQwen 3.8 27B cheapest route

$0.142425/1MDeepSeek: DeepSeek V4 Flash 0731 cheapest route

2878 msQwen 3.8 27B fastest measured p50 TTFT via cerebras

1131 msDeepSeek: DeepSeek V4 Flash 0731 fastest measured p50 TTFT via pearl

Prices and live route measurements can change. Use the monthly reports when you need a stable evidence window, then run a small task-specific eval before choosing a production default.

Qwen 3.8 27BDeepSeek: DeepSeek V4 Flash 0731

Model idcerebras/qwen-3.8-27bdeepseek/deepseek-v4-flash-0731

Publisher Cerebras DeepSeek

AI IQ — —

Context65,536 tokens1,048,576 tokens

Credits provider routes122

Cheapest route$0.02/1M$0.142425/1M

Cached inputNot published$0.01/1M to $0.135251/1M

Privacy posturehas ZDR routehas ZDR route

Fastest measured p50 TTFT2878 ms via cerebras1131 ms via pearl

Highest measured throughputnot enough data146 tok/s via relace

Recent route uptime range100.00%0.00% to 100.00%

Modes chat chat

Qwen 3.8 27B routes

Overview1 Credits routes

DeepSeek: DeepSeek V4 Flash 0731 routes

Overview22 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

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Production choice

Pick a default model. Keep fallback enabled.

TrustedRouter is useful when you know the model you want, but still need provider rollover, budget limits, usage records, and a prompt path you can verify.

OpenAI clientPython

client = OpenAI(
    base_url="https://api.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="cerebras/qwen-3.8-27b",
    messages=messages,
)

Questions

Which should I use, Qwen 3.8 27B or DeepSeek: DeepSeek V4 Flash 0731?

Is Qwen 3.8 27B or DeepSeek: DeepSeek V4 Flash 0731 cheaper?

The current cheapest TrustedRouter route is $0.02/1M for Qwen 3.8 27B and $0.142425/1M for DeepSeek: DeepSeek V4 Flash 0731. The comparison uses current catalog prices and updates as provider pricing changes.

Is Qwen 3.8 27B or DeepSeek: DeepSeek V4 Flash 0731 faster?

Current measured p50 time to first token is 2878 ms for Qwen 3.8 27B and 1131 ms for DeepSeek: DeepSeek V4 Flash 0731. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Qwen 3.8 27B and DeepSeek: DeepSeek V4 Flash 0731 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between cerebras/qwen-3.8-27b and deepseek/deepseek-v4-flash-0731. This makes side-by-side evals possible without maintaining two provider integrations.