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OpenAI: GPT-3.5 Turbo vs Qwen: Qwen3.8 27B

Try both on us. Starter credit covers your first requests, then one key routes GPT-3.5 Turbo and Qwen3.8 27B. Switch by changing the model name.

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

Qwen: Qwen3.8 27B has the lower published input-plus-output rate, more Credits provider routes and the larger context window. There is not enough recent probe data to compare speed.

$2.11/1MOpenAI: GPT-3.5 Turbo cheapest route

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

not enough dataOpenAI: GPT-3.5 Turbo fastest measured p50 TTFT

784 msQwen: Qwen3.8 27B fastest measured p50 TTFT via engy

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.

OpenAI: GPT-3.5 TurboQwen: Qwen3.8 27B

Model idopenai/gpt-3.5-turboqwen/qwen3.8-27b

Publisher OpenAI Alibaba Cloud Model Studio

AI IQ — IQ 116#52

Context16,385 tokens65,536 tokens

Credits provider routes119

Cheapest route$2.11/1M$0.385075/1M

Cached inputNot published$0.01/1M to $0.19834/1M

Privacy posturehas ZDR routehas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data784 ms via engy

Highest measured throughputnot enough datanot enough data

Recent route uptime rangenot enough data100.00%

Modes chat chat

OpenAI: GPT-3.5 Turbo routes

Overview1 Credits routes

Qwen: Qwen3.8 27B routes

Overview19 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-3.5-turbo",
    messages=messages,
)

Questions

Which should I use, OpenAI: GPT-3.5 Turbo or Qwen: Qwen3.8 27B?

Qwen: Qwen3.8 27B has the lower published input-plus-output rate, more Credits provider routes and the larger context window. There is not enough recent probe data to compare speed.

Is OpenAI: GPT-3.5 Turbo or Qwen: Qwen3.8 27B cheaper?

The current cheapest TrustedRouter route is $2.11/1M for OpenAI: GPT-3.5 Turbo and $0.385075/1M for Qwen: Qwen3.8 27B. The comparison uses current catalog prices and updates as provider pricing changes.

Is OpenAI: GPT-3.5 Turbo or Qwen: Qwen3.8 27B faster?

Current measured p50 time to first token is not enough data for OpenAI: GPT-3.5 Turbo and 784 ms for Qwen: Qwen3.8 27B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test OpenAI: GPT-3.5 Turbo 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-3.5-turbo and qwen/qwen3.8-27b. This makes side-by-side evals possible without maintaining two provider integrations.