OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Pro 0423 vs Kimi K3 Fast on Fireworks

DeepSeek V4 Pro 0423 vs Kimi K3 Fast on Fireworks: 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 V4 Pro 0423 has the lower published input-plus-output rate and more Credits provider routes. Kimi K3 Fast on Fireworks has the lower measured p50 time to first token. Their context windows are the same size.

$1.5825/1MDeepSeek: DeepSeek V4 Pro 0423 cheapest route

$28.485/1MKimi K3 Fast on Fireworks cheapest route

1657 msDeepSeek: DeepSeek V4 Pro 0423 fastest measured p50 TTFT via wafer

1375 msKimi K3 Fast on Fireworks fastest measured p50 TTFT via fireworks

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 Pro 0423Kimi K3 Fast on Fireworks

Model iddeepseek/deepseek-v4-promoonshotai/kimi-k3-fast

Publisher DeepSeek Kimi

AI IQ IQ 123#27 —

Context1,048,576 tokens1,048,576 tokens

Credits provider routes171

Cheapest route$1.5825/1M$28.485/1M

Cached input$0.01/1M to $0.921015/1M$0.47475/1M

Privacy posturehas ZDR routeprovider posture varies

Fastest measured p50 TTFT1657 ms via wafer1375 ms via fireworks

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

DeepSeek: DeepSeek V4 Pro 0423 routes

Overview17 Credits routes
PricingInput, cached input, and output rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Kimi K3 Fast on Fireworks routes

Overview1 Credits routes

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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 Kimi K3 Fast on Fireworks?

Is DeepSeek: DeepSeek V4 Pro 0423 or Kimi K3 Fast on Fireworks cheaper?

The current cheapest TrustedRouter route is $1.5825/1M for DeepSeek: DeepSeek V4 Pro 0423 and $28.485/1M for Kimi K3 Fast on Fireworks. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4 Pro 0423 or Kimi K3 Fast on Fireworks faster?

Current measured p50 time to first token is 1657 ms for DeepSeek: DeepSeek V4 Pro 0423 and 1375 ms for Kimi K3 Fast on Fireworks. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4 Pro 0423 and Kimi K3 Fast on Fireworks 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 moonshotai/kimi-k3-fast. This makes side-by-side evals possible without maintaining two provider integrations.