OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Pro 0423 vs KAT Coder Air V2.5

DeepSeek V4 Pro 0423 vs KAT Coder Air V2.5: 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

KAT Coder Air V2.5 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. Probe-backed speed data is shown when enough recent samples exist.

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

$0.79125/1MKAT Coder Air V2.5 cheapest route

999 msDeepSeek: DeepSeek V4 Pro 0423 fastest measured p50 TTFT via deepseek

not enough dataKAT Coder Air V2.5 fastest measured p50 TTFT

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 Pro 0423KAT Coder Air V2.5

Model iddeepseek/deepseek-v4-prokwaipilot/kat-coder-air-v2.5

Publisher DeepSeek Atlas Cloud

AI IQ IQ 117#36 —

Context1,024,000 tokens262,144 tokens

Credits provider routes162

Cheapest route$2.75355/1M$0.79125/1M

Cached input$0.04642/1M to $0.784254/1M$0.03165/1M

Privacy posturehas ZDR routeprovider posture varies

Fastest measured p50 TTFT999 ms via deepseeknot enough data

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%not enough data

Modes chat chat

DeepSeek: DeepSeek V4 Pro 0423 routes

Overview16 Credits routes
PricingInput, cached input, and output rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

KAT Coder Air V2.5 routes

Overview2 Credits routes
PricingInput, cached input, and output 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 0423 or KAT Coder Air V2.5?

Is DeepSeek: DeepSeek V4 Pro 0423 or KAT Coder Air V2.5 cheaper?

The current cheapest TrustedRouter route is $2.75355/1M for DeepSeek: DeepSeek V4 Pro 0423 and $0.79125/1M for KAT Coder Air V2.5. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4 Pro 0423 or KAT Coder Air V2.5 faster?

Current measured p50 time to first token is 999 ms for DeepSeek: DeepSeek V4 Pro 0423 and not enough data for KAT Coder Air V2.5. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4 Pro 0423 and KAT Coder Air V2.5 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 kwaipilot/kat-coder-air-v2.5. This makes side-by-side evals possible without maintaining two provider integrations.