OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Pro vs Qwen: Qwen3.5-35B-A3B

DeepSeek V4 Pro vs Qwen: Qwen3.5-35B-A3B: 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

Qwen: Qwen3.5-35B-A3B has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Pro has more provider fallback routes, while DeepSeek: DeepSeek V4 Pro has the larger context window. Current TrustedRouter probes show DeepSeek: DeepSeek V4 Pro with the lower p50 TTFT.

$1.37025/1MDeepSeek: DeepSeek V4 Pro cheapest route

$1.197/1MQwen: Qwen3.5-35B-A3B cheapest route

1804 msDeepSeek: DeepSeek V4 Pro fastest measured p50 TTFT via novita

1809 msQwen: Qwen3.5-35B-A3B fastest measured p50 TTFT via atlas-cloud

DeepSeek: DeepSeek V4 ProQwen: Qwen3.5-35B-A3B

Model iddeepseek/deepseek-v4-proqwen/qwen3.5-35b-a3b

Publisher DeepSeek DeepInfra

AI IQ IQ 117#25 —

Context1,048,576 tokens262,144 tokens

Provider routes249

Cheapest route$1.37025/1M$1.197/1M

Privacy posturehas ZDR routehas ZDR route

Fastest measured p50 TTFT1804 ms via novita1809 ms via atlas-cloud

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

DeepSeek: DeepSeek V4 Pro routes

Overview24 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Qwen: Qwen3.5-35B-A3B routes

Overview9 endpoints
PricingPrompt and completion 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="deepseek/deepseek-v4-pro",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V4 Pro or Qwen: Qwen3.5-35B-A3B?

Is DeepSeek: DeepSeek V4 Pro or Qwen: Qwen3.5-35B-A3B cheaper?

The current cheapest TrustedRouter route is $1.37025/1M for DeepSeek: DeepSeek V4 Pro and $1.197/1M for Qwen: Qwen3.5-35B-A3B. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4 Pro or Qwen: Qwen3.5-35B-A3B faster?

Current measured p50 time to first token is 1804 ms for DeepSeek: DeepSeek V4 Pro and 1809 ms for Qwen: Qwen3.5-35B-A3B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4 Pro and Qwen: Qwen3.5-35B-A3B with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between deepseek/deepseek-v4-pro and qwen/qwen3.5-35b-a3b. This makes side-by-side evals possible without maintaining two provider integrations.