OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V3.1 Terminus vs OpenAI: gpt-oss-120b

Compare DeepSeek: DeepSeek V3.1 Terminus and OpenAI: gpt-oss-120b by providers, context, price, and TrustedRouter route support.

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

OpenAI: gpt-oss-120b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-120b has more provider fallback routes, while DeepSeek: DeepSeek V3.1 Terminus has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$1.281/1MDeepSeek: DeepSeek V3.1 Terminus cheapest route
$0.21735/1MOpenAI: gpt-oss-120b cheapest route
not enough dataDeepSeek: DeepSeek V3.1 Terminus measured p50 TTFT
not enough dataOpenAI: gpt-oss-120b measured p50 TTFT
DeepSeek: DeepSeek V3.1 TerminusOpenAI: gpt-oss-120b
Model iddeepseek/deepseek-v3.1-terminusopenai/gpt-oss-120b
PublisherDeepSeekOpenAI
AI IQ IQ 105#52
Context163,840 tokens131,072 tokens
Provider routes724
Cheapest route$1.281/1M$0.21735/1M
Privacy postureprovider posture varieshas provider E2EE route
Modes chat chat

DeepSeek: DeepSeek V3.1 Terminus routes

OpenAI: gpt-oss-120b 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://gchircrcif.eu-west-3.awsapprunner.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="deepseek/deepseek-v3.1-terminus",
    messages=messages,
)
Workspace access

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