OpenAI compatible API · Attested · Public status
Qwen: Qwen3.5-27B vs GLM 5.2 Fast on Fireworks
Compare Qwen: Qwen3.5-27B and GLM 5.2 Fast on Fireworks by providers, context, price, and TrustedRouter route support.
Onebase URL to migrate
100sof models and routes
Noneprompt logs by default
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
Qwen: Qwen3.5-27B has the lower cheapest prompt+completion route on TrustedRouter. Qwen: Qwen3.5-27B has more provider fallback routes, while GLM 5.2 Fast on Fireworks has the larger context window. Current TrustedRouter probes show Qwen: Qwen3.5-27B with the lower p50 TTFT.
$2.3625/1MQwen: Qwen3.5-27B cheapest route
$12.18/1MGLM 5.2 Fast on Fireworks cheapest route
2965 msQwen: Qwen3.5-27B measured p50 TTFT
3316 msGLM 5.2 Fast on Fireworks measured p50 TTFT
Qwen: Qwen3.5-27BGLM 5.2 Fast on Fireworks
Model id
qwen/qwen3.5-27bz-ai/glm-5.2-fast
PublisherDeepInfraZ.AI
AI IQ
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Context262,144 tokens1,048,576 tokens
Provider routes74
Cheapest route$2.3625/1M$12.18/1M
Privacy postureprovider posture variesprovider posture varies
Modes
chat
chat
Qwen: Qwen3.5-27B routes
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/qwen3.5-27b",
messages=messages,
)