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DeepSeek V4 Pro 0423 vs OpenAI: gpt-oss-20b

Try both on us. Starter credit covers your first requests, then one key routes DeepSeek V4 Pro 0423 and gpt-oss-20b. 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

DeepSeek V4 Pro 0423 has the larger context window. gpt-oss-20b has the lower published input-plus-output rate, more Credits provider routes and the lower measured p50 time to first token.

$4.1145/1MDeepSeek V4 Pro 0423 cheapest route

$0.057475/1MOpenAI: gpt-oss-20b cheapest route

3435 msDeepSeek V4 Pro 0423 fastest measured p50 TTFT via parasail

445 msOpenAI: gpt-oss-20b fastest measured p50 TTFT via nvidia-nim

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.

DeepSeek V4 Pro 0423OpenAI: gpt-oss-20b

Model iddeepseek/deepseek-v4-pro-0423openai/gpt-oss-20b

Publisher DeepSeek OpenAI

AI IQ — IQ 93#149

Context1,048,576 tokens131,072 tokens

Credits provider routes413

Cheapest route$4.1145/1M$0.057475/1M

Cached input$0.1055/1M to $0.34815/1M$0.01/1M to $0.029013/1M

Privacy posturehas ZDR routehas ZDR route

Fastest measured p50 TTFT3435 ms via parasail445 ms via nvidia-nim

Highest measured throughputnot enough datanot enough data

Recent route uptime range50.00% to 100.00%0.00% to 100.00%

Modes chat chat decide

DeepSeek V4 Pro 0423 routes

Overview4 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

OpenAI: gpt-oss-20b routes

Overview13 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="deepseek/deepseek-v4-pro-0423",
    messages=messages,
)

Questions

Which should I use, DeepSeek V4 Pro 0423 or OpenAI: gpt-oss-20b?

DeepSeek V4 Pro 0423 has the larger context window. gpt-oss-20b has the lower published input-plus-output rate, more Credits provider routes and the lower measured p50 time to first token.

Is DeepSeek V4 Pro 0423 or OpenAI: gpt-oss-20b cheaper?

The current cheapest TrustedRouter route is $4.1145/1M for DeepSeek V4 Pro 0423 and $0.057475/1M for OpenAI: gpt-oss-20b. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek V4 Pro 0423 or OpenAI: gpt-oss-20b faster?

Current measured p50 time to first token is 3435 ms for DeepSeek V4 Pro 0423 and 445 ms for OpenAI: gpt-oss-20b. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek V4 Pro 0423 and OpenAI: gpt-oss-20b with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between deepseek/deepseek-v4-pro-0423 and openai/gpt-oss-20b. This makes side-by-side evals possible without maintaining two provider integrations.