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Qwen: Qwen3.8 27B vs SpaceXAI: Grok 4.5

Try both on us. Starter credit covers your first requests, then one key routes Qwen3.8 27B and Grok 4.5. 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 lower measured p50 time to first token. SpaceXAI: Grok 4.5 has the larger context window.

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

$8.44/1MSpaceXAI: Grok 4.5 cheapest route

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

1362 msSpaceXAI: Grok 4.5 fastest measured p50 TTFT via grok

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.

Qwen: Qwen3.8 27BSpaceXAI: Grok 4.5

Model idqwen/qwen3.8-27bx-ai/grok-4.5

Publisher Alibaba Cloud Model Studio xAI Grok

AI IQ IQ 116#52 IQ 122#36

Context65,536 tokens500,000 tokens

Credits provider routes192

Cheapest route$0.385075/1M$8.44/1M

Cached input$0.01/1M to $0.19834/1M$0.3165/1M to $0.633/1M

Privacy posturehas Confidential route (E2EE + ZDR)provider posture varies

Fastest measured p50 TTFT784 ms via engy1362 ms via grok

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

Qwen: Qwen3.8 27B routes

Overview19 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

SpaceXAI: Grok 4.5 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="qwen/qwen3.8-27b",
    messages=messages,
)

Questions

Which should I use, Qwen: Qwen3.8 27B or SpaceXAI: Grok 4.5?

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. SpaceXAI: Grok 4.5 has the larger context window.

Is Qwen: Qwen3.8 27B or SpaceXAI: Grok 4.5 cheaper?

The current cheapest TrustedRouter route is $0.385075/1M for Qwen: Qwen3.8 27B and $8.44/1M for SpaceXAI: Grok 4.5. The comparison uses current catalog prices and updates as provider pricing changes.

Is Qwen: Qwen3.8 27B or SpaceXAI: Grok 4.5 faster?

Current measured p50 time to first token is 784 ms for Qwen: Qwen3.8 27B and 1362 ms for SpaceXAI: Grok 4.5. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Qwen: Qwen3.8 27B and SpaceXAI: Grok 4.5 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between qwen/qwen3.8-27b and x-ai/grok-4.5. This makes side-by-side evals possible without maintaining two provider integrations.