DeepSeek: DeepSeek V4 Flash 0423 vs DeepSeek V4 Pro 0813
DeepSeek V4 Flash 0423 vs DeepSeek V4 Pro 0813: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.
Practical read
Monthly evidenceDeepSeek V4 Flash 0423 has the lower published input-plus-output rate, more Credits provider routes and the lower measured p50 time to first token. Their context windows are the same size.
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/deepseek-v4-flashdeepseek/deepseek-v4-pro-0813
DeepSeek: DeepSeek V4 Flash 0423 routes
- Overview13 Credits routes
- PricingInput, cached input, and output rates
- BenchmarksTrustedRouter and external sources
- ProvidersAll serving providers
DeepSeek V4 Pro 0813 routes
- Overview1 Credits routes
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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.
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 DeepSeek V4 Pro 0813?
DeepSeek V4 Flash 0423 has the lower published input-plus-output rate, more Credits provider routes and the lower measured p50 time to first token. Their context windows are the same size.
Is DeepSeek: DeepSeek V4 Flash 0423 or DeepSeek V4 Pro 0813 cheaper?
The current cheapest TrustedRouter route is $0.24898/1M for DeepSeek: DeepSeek V4 Flash 0423 and $5.5704/1M for DeepSeek V4 Pro 0813. The comparison uses current catalog prices and updates as provider pricing changes.
Is DeepSeek: DeepSeek V4 Flash 0423 or DeepSeek V4 Pro 0813 faster?
Current measured p50 time to first token is 775 ms for DeepSeek: DeepSeek V4 Flash 0423 and 2135 ms for DeepSeek V4 Pro 0813. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.
Can I test DeepSeek: DeepSeek V4 Flash 0423 and DeepSeek V4 Pro 0813 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 deepseek/deepseek-v4-pro-0813. This makes side-by-side evals possible without maintaining two provider integrations.