OpenAI compatible API · Attested · Public status

DeepSeek V3.1 vs DeepSeek: DeepSeek V4 Pro 0423

DeepSeek V3.1 vs DeepSeek V4 Pro 0423: 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

DeepSeek V3.1 has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Pro 0423 has more provider fallback routes, while DeepSeek: DeepSeek V4 Pro 0423 has the larger context window. Current TrustedRouter probes show DeepSeek V3.1 with the lower p50 TTFT.

$1.266/1MDeepSeek V3.1 cheapest route

$2.75355/1MDeepSeek: DeepSeek V4 Pro 0423 cheapest route

1216 msDeepSeek V3.1 fastest measured p50 TTFT via sambanova

1531 msDeepSeek: DeepSeek V4 Pro 0423 fastest measured p50 TTFT via wandb

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 V3.1DeepSeek: DeepSeek V4 Pro 0423

Model iddeepseek/deepseek-v3.1deepseek/deepseek-v4-pro

Publisher DeepSeek DeepSeek

AI IQ IQ 96#92 IQ 117#32

Context131,072 tokens1,048,576 tokens

Provider routes729

Cheapest route$1.266/1M$2.75355/1M

Privacy postureprovider posture varieshas ZDR route

Fastest measured p50 TTFT1216 ms via sambanova1531 ms via wandb

Highest measured throughputnot enough datanot enough data

Recent route uptime range50.00% to 100.00%25.00% to 100.00%

Modes chat chat

DeepSeek V3.1 routes

Overview7 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

DeepSeek: DeepSeek V4 Pro 0423 routes

Overview29 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
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-v3.1",
    messages=messages,
)

Questions

Which should I use, DeepSeek V3.1 or DeepSeek: DeepSeek V4 Pro 0423?

Is DeepSeek V3.1 or DeepSeek: DeepSeek V4 Pro 0423 cheaper?

The current cheapest TrustedRouter route is $1.266/1M for DeepSeek V3.1 and $2.75355/1M for DeepSeek: DeepSeek V4 Pro 0423. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek V3.1 or DeepSeek: DeepSeek V4 Pro 0423 faster?

Current measured p50 time to first token is 1216 ms for DeepSeek V3.1 and 1531 ms for DeepSeek: DeepSeek V4 Pro 0423. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek V3.1 and DeepSeek: DeepSeek V4 Pro 0423 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 deepseek/deepseek-v4-pro. This makes side-by-side evals possible without maintaining two provider integrations.