OpenAI compatible API · Attested · Public status

OpenAI: gpt-oss-20b vs Qwen: Qwen3.5 397B A17B

gpt-oss-20b vs Qwen: Qwen3.5 397B A17B: 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

OpenAI: gpt-oss-20b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-20b has more provider fallback routes, while Qwen: Qwen3.5 397B A17B has the larger context window. Current TrustedRouter probes show OpenAI: gpt-oss-20b with the lower p50 TTFT.

$0.1266/1MOpenAI: gpt-oss-20b cheapest route

$3.63975/1MQwen: Qwen3.5 397B A17B cheapest route

1018 msOpenAI: gpt-oss-20b fastest measured p50 TTFT via io-net

1112 msQwen: Qwen3.5 397B A17B fastest measured p50 TTFT via digitalocean

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.

OpenAI: gpt-oss-20bQwen: Qwen3.5 397B A17B

Model idopenai/gpt-oss-20bqwen/qwen3.5-397b-a17b

Publisher OpenAI DeepInfra

AI IQ IQ 93#113 —

Context131,072 tokens262,144 tokens

Credits provider routes1210

Cheapest route$0.1266/1M$3.63975/1M

Cached input$0.0211/1M to $0.033233/1M$0.047475/1M to $0.58025/1M

Privacy posturehas ZDR routehas provider E2EE route

Fastest measured p50 TTFT1018 ms via io-net1112 ms via digitalocean

Highest measured throughputnot enough datanot enough data

Recent route uptime range75.00% to 100.00%33.33% to 100.00%

Modes chat chat

OpenAI: gpt-oss-20b routes

Overview12 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Qwen: Qwen3.5 397B A17B routes

Overview10 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="openai/gpt-oss-20b",
    messages=messages,
)

Questions

Which should I use, OpenAI: gpt-oss-20b or Qwen: Qwen3.5 397B A17B?

Is OpenAI: gpt-oss-20b or Qwen: Qwen3.5 397B A17B cheaper?

The current cheapest TrustedRouter route is $0.1266/1M for OpenAI: gpt-oss-20b and $3.63975/1M for Qwen: Qwen3.5 397B A17B. The comparison uses current catalog prices and updates as provider pricing changes.

Is OpenAI: gpt-oss-20b or Qwen: Qwen3.5 397B A17B faster?

Current measured p50 time to first token is 1018 ms for OpenAI: gpt-oss-20b and 1112 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 OpenAI: gpt-oss-20b 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 openai/gpt-oss-20b and qwen/qwen3.5-397b-a17b. This makes side-by-side evals possible without maintaining two provider integrations.