OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4.1 Flash vs Qwen: Qwen3.5-122B-A10B

DeepSeek V4.1 Flash vs Qwen: Qwen3.5-122B-A10B: 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

DeepSeek V4.1 Flash has the lower published input-plus-output rate, more Credits provider routes, the larger context window and the lower measured p50 time to first token.

$0.1266/1MDeepSeek: DeepSeek V4.1 Flash cheapest route

$2.4687/1MQwen: Qwen3.5-122B-A10B cheapest route

899 msDeepSeek: DeepSeek V4.1 Flash fastest measured p50 TTFT via io-net

1537 msQwen: Qwen3.5-122B-A10B fastest measured p50 TTFT via regolo

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 V4.1 FlashQwen: Qwen3.5-122B-A10B

Model iddeepseek/deepseek-v4.1-flashqwen/qwen3.5-122b-a10b

Publisher DeepSeek DeepInfra

AI IQ IQ 124#22 —

Context1,048,576 tokens262,144 tokens

Credits provider routes187

Cheapest route$0.1266/1M$2.4687/1M

Cached input$0.01/1M to $0.146118/1M$0.0422/1M to $0.3165/1M

Privacy posturehas provider E2EE routehas ZDR route

Fastest measured p50 TTFT899 ms via io-net1537 ms via regolo

Highest measured throughput129 tok/s via atlas-cloudnot enough data

Recent route uptime range0.00% to 100.00%100.00%

Modes chat decide chat

DeepSeek: DeepSeek V4.1 Flash routes

Overview18 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Qwen: Qwen3.5-122B-A10B routes

Overview7 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="deepseek/deepseek-v4.1-flash",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V4.1 Flash or Qwen: Qwen3.5-122B-A10B?

DeepSeek V4.1 Flash has the lower published input-plus-output rate, more Credits provider routes, the larger context window and the lower measured p50 time to first token.

Is DeepSeek: DeepSeek V4.1 Flash or Qwen: Qwen3.5-122B-A10B cheaper?

The current cheapest TrustedRouter route is $0.1266/1M for DeepSeek: DeepSeek V4.1 Flash and $2.4687/1M for Qwen: Qwen3.5-122B-A10B. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4.1 Flash or Qwen: Qwen3.5-122B-A10B faster?

Current measured p50 time to first token is 899 ms for DeepSeek: DeepSeek V4.1 Flash and 1537 ms for Qwen: Qwen3.5-122B-A10B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4.1 Flash and Qwen: Qwen3.5-122B-A10B 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-v4.1-flash and qwen/qwen3.5-122b-a10b. This makes side-by-side evals possible without maintaining two provider integrations.