OpenAI compatible API · Attested · Public status
DeepSeek: DeepSeek V4 Flash 0731 vs OpenAI: gpt-oss-20b
Compare DeepSeek: DeepSeek V4 Flash 0731 and OpenAI: gpt-oss-20b by providers, context, price, and TrustedRouter route support.
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-20b has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Flash 0731 has more provider fallback routes, while DeepSeek: DeepSeek V4 Flash 0731 has the larger context window. Current TrustedRouter probes show OpenAI: gpt-oss-20b with the lower p50 TTFT.
$0.2835/1MDeepSeek: DeepSeek V4 Flash 0731 cheapest route
$0.1785/1MOpenAI: gpt-oss-20b cheapest route
1619 msDeepSeek: DeepSeek V4 Flash 0731 measured p50 TTFT
1286 msOpenAI: gpt-oss-20b measured p50 TTFT
DeepSeek: DeepSeek V4 Flash 0731OpenAI: gpt-oss-20b
Model id
deepseek/deepseek-v4-flash-0731openai/gpt-oss-20b
PublisherDeepSeekOpenAI
Context1,048,576 tokens131,072 tokens
Provider routes1414
Cheapest route$0.2835/1M$0.1785/1M
Privacy postureprovider posture varieshas ZDR route
Modes
chat
chat
DeepSeek: DeepSeek V4 Flash 0731 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="deepseek/deepseek-v4-flash-0731",
messages=messages,
)