OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Pro vs Google: Gemini 3.5 Flash Lite

DeepSeek V4 Pro vs Google: Gemini 3.5 Flash Lite: 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 Pro has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Pro has more provider fallback routes, while DeepSeek: DeepSeek V4 Pro has the larger context window. Current TrustedRouter probes show Google: Gemini 3.5 Flash Lite with the lower p50 TTFT.

$1.37025/1MDeepSeek: DeepSeek V4 Pro cheapest route

$2.94/1MGoogle: Gemini 3.5 Flash Lite cheapest route

2342 msDeepSeek: DeepSeek V4 Pro fastest measured p50 TTFT via atlas-cloud

1098 msGoogle: Gemini 3.5 Flash Lite fastest measured p50 TTFT via google-vertex

DeepSeek: DeepSeek V4 ProGoogle: Gemini 3.5 Flash Lite

Model iddeepseek/deepseek-v4-progoogle/gemini-3.5-flash-lite

Publisher DeepSeek Google AI Studio

AI IQ IQ 117#25 —

Context1,048,576 tokens1,048,576 tokens

Provider routes244

Cheapest route$1.37025/1M$2.94/1M

Privacy posturehas ZDR routehas ZDR route

Fastest measured p50 TTFT2342 ms via atlas-cloud1098 ms via google-vertex

Highest measured throughputnot enough data94 tok/s via google-vertex

Recent route uptime range100.00%100.00%

Modes chat chat

DeepSeek: DeepSeek V4 Pro routes

Overview24 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Google: Gemini 3.5 Flash Lite routes

Overview4 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-pro",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V4 Pro or Google: Gemini 3.5 Flash Lite?

Is DeepSeek: DeepSeek V4 Pro or Google: Gemini 3.5 Flash Lite cheaper?

The current cheapest TrustedRouter route is $1.37025/1M for DeepSeek: DeepSeek V4 Pro and $2.94/1M for Google: Gemini 3.5 Flash Lite. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4 Pro or Google: Gemini 3.5 Flash Lite faster?

Current measured p50 time to first token is 2342 ms for DeepSeek: DeepSeek V4 Pro and 1098 ms for Google: Gemini 3.5 Flash Lite. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4 Pro and Google: Gemini 3.5 Flash Lite 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 and google/gemini-3.5-flash-lite. This makes side-by-side evals possible without maintaining two provider integrations.