OpenAI compatible API · Attested · Public status
Qwen: Qwen3.5-9B vs DeepSeek: DeepSeek V3.1 Terminus
Compare Qwen: Qwen3.5-9B and DeepSeek: DeepSeek V3.1 Terminus 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: Qwen3.5-9B has the lower cheapest prompt+completion route on TrustedRouter. Qwen: Qwen3.5-9B has more provider fallback routes, while Qwen: Qwen3.5-9B has the larger context window. Current TrustedRouter probes show DeepSeek: DeepSeek V3.1 Terminus with the lower p50 TTFT.
$0.2625/1MQwen: Qwen3.5-9B cheapest route
$1.281/1MDeepSeek: DeepSeek V3.1 Terminus cheapest route
3645 msQwen: Qwen3.5-9B measured p50 TTFT
3278 msDeepSeek: DeepSeek V3.1 Terminus measured p50 TTFT
Qwen: Qwen3.5-9BDeepSeek: DeepSeek V3.1 Terminus
Model id
qwen/qwen3.5-9bdeepseek/deepseek-v3.1-terminus
PublisherDeepInfraDeepSeek
Context262,144 tokens163,840 tokens
Provider routes87
Cheapest route$0.2625/1M$1.281/1M
Privacy posturehas provider E2EE routeprovider posture varies
Modes
chat
chat
Qwen: Qwen3.5-9B 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/qwen3.5-9b",
messages=messages,
)