OpenAI compatible API · Attested · Public status

OpenAI: gpt-oss-120b vs Qwen: Qwen3 30B A3B Instruct 2507

gpt-oss-120b vs Qwen: Qwen3 30B A3B Instruct 2507: 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-120b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-120b has more provider fallback routes, while Qwen: Qwen3 30B A3B Instruct 2507 has the larger context window. Current TrustedRouter probes show OpenAI: gpt-oss-120b with the lower p50 TTFT.

$0.211/1MOpenAI: gpt-oss-120b cheapest route

$0.422/1MQwen: Qwen3 30B A3B Instruct 2507 cheapest route

1399 msOpenAI: gpt-oss-120b fastest measured p50 TTFT via baseten

3062 msQwen: Qwen3 30B A3B Instruct 2507 fastest measured p50 TTFT via wandb

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-120bQwen: Qwen3 30B A3B Instruct 2507

Model idopenai/gpt-oss-120bqwen/qwen3-30b-a3b-instruct-2507

Publisher OpenAI Alibaba Cloud Model Studio

AI IQ IQ 98#99 —

Context131,072 tokens262,144 tokens

Credits provider routes222

Cheapest route$0.211/1M$0.422/1M

Cached input$0.015825/1M to $0.1055/1M$0.0211/1M

Privacy posturehas provider E2EE routeprovider posture varies

Fastest measured p50 TTFT1399 ms via baseten3062 ms via wandb

Highest measured throughput149 tok/s via io-netnot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

OpenAI: gpt-oss-120b routes

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

Qwen: Qwen3 30B A3B Instruct 2507 routes

Overview2 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-120b",
    messages=messages,
)

Questions

Which should I use, OpenAI: gpt-oss-120b or Qwen: Qwen3 30B A3B Instruct 2507?

Is OpenAI: gpt-oss-120b or Qwen: Qwen3 30B A3B Instruct 2507 cheaper?

The current cheapest TrustedRouter route is $0.211/1M for OpenAI: gpt-oss-120b and $0.422/1M for Qwen: Qwen3 30B A3B Instruct 2507. The comparison uses current catalog prices and updates as provider pricing changes.

Is OpenAI: gpt-oss-120b or Qwen: Qwen3 30B A3B Instruct 2507 faster?

Current measured p50 time to first token is 1399 ms for OpenAI: gpt-oss-120b and 3062 ms for Qwen: Qwen3 30B A3B Instruct 2507. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test OpenAI: gpt-oss-120b and Qwen: Qwen3 30B A3B Instruct 2507 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-120b and qwen/qwen3-30b-a3b-instruct-2507. This makes side-by-side evals possible without maintaining two provider integrations.