OpenAI compatible API · Attested · Public status

DeepSeek V3.1 vs OpenAI: gpt-oss-20b

DeepSeek V3.1 vs gpt-oss-20b: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

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

Monthly evidence

OpenAI: gpt-oss-20b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-20b has more provider fallback routes, while DeepSeek V3.1 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$1.266/1MDeepSeek V3.1 cheapest route

$0.1688/1MOpenAI: gpt-oss-20b cheapest route

not enough dataDeepSeek V3.1 fastest measured p50 TTFT

878 msOpenAI: gpt-oss-20b fastest measured p50 TTFT via deepinfra

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 V3.1OpenAI: gpt-oss-20b

Model iddeepseek/deepseek-v3.1openai/gpt-oss-20b

Publisher DeepSeek OpenAI

AI IQ IQ 96#100 IQ 100#87

Context131,072 tokens131,072 tokens

Credits provider routes412

Cheapest route$1.266/1M$0.1688/1M

Cached input$0.13715/1M to $0.142425/1M$0.0211/1M to $0.030068/1M

Privacy postureprovider posture varieshas ZDR route

Fastest measured p50 TTFTnot enough data878 ms via deepinfra

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%57.14% to 100.00%

Modes chat chat

DeepSeek V3.1 routes

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

OpenAI: gpt-oss-20b routes

Overview12 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Related comparisons

Browse every comparison

OpenAI: gpt-oss-20b vs Z.ai: GLM 5.243 combined provider routes
DeepSeek V3.1 vs Z.ai: GLM 5.235 combined provider routes
MoonshotAI: Kimi K3 vs OpenAI: gpt-oss-20b35 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs OpenAI: gpt-oss-20b34 combined provider routes
OpenAI: gpt-oss-20b vs Z.ai: GLM 5.334 combined provider routes
OpenAI: gpt-oss-20b vs Z.ai: GLM 5.3 Flash32 combined provider routes
MoonshotAI: Kimi K2.6 vs OpenAI: gpt-oss-20b31 combined provider routes
OpenAI: gpt-oss-120b vs OpenAI: gpt-oss-20b31 combined provider 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-v3.1",
    messages=messages,
)

Questions

Which should I use, DeepSeek V3.1 or OpenAI: gpt-oss-20b?

Is DeepSeek V3.1 or OpenAI: gpt-oss-20b cheaper?

The current cheapest TrustedRouter route is $1.266/1M for DeepSeek V3.1 and $0.1688/1M for OpenAI: gpt-oss-20b. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek V3.1 or OpenAI: gpt-oss-20b faster?

Current measured p50 time to first token is not enough data for DeepSeek V3.1 and 878 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 V3.1 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-v3.1 and openai/gpt-oss-20b. This makes side-by-side evals possible without maintaining two provider integrations.