DeepSeek V4 Pro 0423 vs Qwen: Qwen3.5 397B A17B
Try both on us. Starter credit covers your first requests, then one key routes DeepSeek V4 Pro 0423 and Qwen3.5 397B A17B. Switch by changing the model name.
Practical read
Monthly evidenceDeepSeek V4 Pro 0423 has the larger context window. Qwen: Qwen3.5 397B A17B has the lower published input-plus-output rate, more Credits provider routes and the lower measured p50 time to first token.
The price comparison adds each route's rate for one million input tokens and one million output tokens; your cost depends on your input/output mix. 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.
deepseek/deepseek-v4-pro-0423qwen/qwen3.5-397b-a17b
DeepSeek V4 Pro 0423 routes
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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.
client = OpenAI(
base_url="https://api.trustedrouter.com/v1",
api_key="sk-tr-v1-..."
)
response = client.chat.completions.create(
model="deepseek/deepseek-v4-pro-0423",
messages=messages,
)Questions
Which should I use, DeepSeek V4 Pro 0423 or Qwen: Qwen3.5 397B A17B?
DeepSeek V4 Pro 0423 has the larger context window. Qwen: Qwen3.5 397B A17B has the lower published input-plus-output rate, more Credits provider routes and the lower measured p50 time to first token.
Is DeepSeek V4 Pro 0423 or Qwen: Qwen3.5 397B A17B cheaper?
The current cheapest TrustedRouter route is $4.1145/1M for DeepSeek V4 Pro 0423 and $3.63975/1M for Qwen: Qwen3.5 397B A17B. The comparison uses current catalog prices and updates as provider pricing changes.
Is DeepSeek V4 Pro 0423 or Qwen: Qwen3.5 397B A17B faster?
Current measured p50 time to first token is 3435 ms for DeepSeek V4 Pro 0423 and 1649 ms for Qwen: Qwen3.5 397B A17B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.
Can I test DeepSeek V4 Pro 0423 and Qwen: Qwen3.5 397B A17B 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-0423 and qwen/qwen3.5-397b-a17b. This makes side-by-side evals possible without maintaining two provider integrations.