OpenAI compatible API · Attested · Public status

GPT 5.5 vs Qwen: Qwen3.8 27B

GPT 5.5 vs Qwen: Qwen3.8 27B: 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

GPT 5.5 has the larger context window. Qwen: Qwen3.8 27B has the lower published input-plus-output rate, more Credits provider routes and the lower measured p50 time to first token.

$36.925/1MGPT 5.5 cheapest route

$0.385075/1MQwen: Qwen3.8 27B cheapest route

1902 msGPT 5.5 fastest measured p50 TTFT via lightning

891 msQwen: Qwen3.8 27B fastest measured p50 TTFT via cerebras

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.

GPT 5.5Qwen: Qwen3.8 27B

Model idopenai/gpt-5.5-2026-04-23qwen/qwen3.8-27b

Publisher OpenAI DeepInfra

AI IQ — IQ 114#54

Context1,050,000 tokens262,144 tokens

Credits provider routes115

Cheapest route$36.925/1M$0.385075/1M

Cached inputNot published$0.015825/1M to $0.181988/1M

Privacy postureprovider posture varieshas ZDR route

Fastest measured p50 TTFT1902 ms via lightning891 ms via cerebras

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

GPT 5.5 routes

Overview1 Credits routes

Qwen: Qwen3.8 27B routes

Overview15 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-5.5-2026-04-23",
    messages=messages,
)

Questions

Which should I use, GPT 5.5 or Qwen: Qwen3.8 27B?

GPT 5.5 has the larger context window. Qwen: Qwen3.8 27B has the lower published input-plus-output rate, more Credits provider routes and the lower measured p50 time to first token.

Is GPT 5.5 or Qwen: Qwen3.8 27B cheaper?

The current cheapest TrustedRouter route is $36.925/1M for GPT 5.5 and $0.385075/1M for Qwen: Qwen3.8 27B. The comparison uses current catalog prices and updates as provider pricing changes.

Is GPT 5.5 or Qwen: Qwen3.8 27B faster?

Current measured p50 time to first token is 1902 ms for GPT 5.5 and 891 ms for Qwen: Qwen3.8 27B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test GPT 5.5 and Qwen: Qwen3.8 27B 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-5.5-2026-04-23 and qwen/qwen3.8-27b. This makes side-by-side evals possible without maintaining two provider integrations.