OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Flash 0423 vs gpt-3.5-turbo-0125

DeepSeek V4 Flash 0423 vs gpt-3.5-turbo-0125: 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

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

$0.2478/1MDeepSeek: DeepSeek V4 Flash 0423 cheapest route

$2.1/1Mgpt-3.5-turbo-0125 cheapest route

374 msDeepSeek: DeepSeek V4 Flash 0423 fastest measured p50 TTFT via pearl

3504 msgpt-3.5-turbo-0125 fastest measured p50 TTFT via openai

DeepSeek: DeepSeek V4 Flash 0423gpt-3.5-turbo-0125

Model iddeepseek/deepseek-v4-flashopenai/gpt-3.5-turbo-0125

Publisher DeepSeek OpenAI

AI IQ IQ 113#35 —

Context1,048,576 tokens0 tokens

Provider routes292

Cheapest route$0.2478/1M$2.1/1M

Privacy posturehas provider E2EE routehas ZDR route

Fastest measured p50 TTFT374 ms via pearl3504 ms via openai

Highest measured throughput113 tok/s via makoranot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

DeepSeek: DeepSeek V4 Flash 0423 routes

Overview29 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

gpt-3.5-turbo-0125 routes

Overview2 endpoints
PricingPrompt and completion 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-flash",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V4 Flash 0423 or gpt-3.5-turbo-0125?

Is DeepSeek: DeepSeek V4 Flash 0423 or gpt-3.5-turbo-0125 cheaper?

The current cheapest TrustedRouter route is $0.2478/1M for DeepSeek: DeepSeek V4 Flash 0423 and $2.1/1M for gpt-3.5-turbo-0125. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4 Flash 0423 or gpt-3.5-turbo-0125 faster?

Current measured p50 time to first token is 374 ms for DeepSeek: DeepSeek V4 Flash 0423 and 3504 ms for gpt-3.5-turbo-0125. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4 Flash 0423 and gpt-3.5-turbo-0125 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-flash and openai/gpt-3.5-turbo-0125. This makes side-by-side evals possible without maintaining two provider integrations.