OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Flash 0731 vs Kimi K2.5

DeepSeek V4 Flash 0731 vs Kimi K2.5: 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

DeepSeek: DeepSeek V4 Flash 0731 has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Flash 0731 has more provider fallback routes, while DeepSeek: DeepSeek V4 Flash 0731 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$0.142425/1MDeepSeek: DeepSeek V4 Flash 0731 cheapest route

$4.2833/1MKimi K2.5 cheapest route

1345 msDeepSeek: DeepSeek V4 Flash 0731 fastest measured p50 TTFT via pearl

not enough dataKimi K2.5 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 Flash 0731Kimi K2.5

Model iddeepseek/deepseek-v4-flash-0731moonshotai/kimi-k2-5

Publisher DeepSeek Kimi

AI IQ — —

Context1,048,576 tokens256,000 tokens

Credits provider routes221

Cheapest route$0.142425/1M$4.2833/1M

Cached input$0.01/1M to $0.135251/1M$0.2321/1M

Privacy posturehas ZDR routeprovider posture varies

Fastest measured p50 TTFT1345 ms via pearlnot enough data

Highest measured throughput91 tok/s via basetennot enough data

Recent route uptime range0.00% to 100.00%not enough data

Modes chat chat

DeepSeek: DeepSeek V4 Flash 0731 routes

Overview22 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Kimi K2.5 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-flash-0731",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V4 Flash 0731 or Kimi K2.5?

Is DeepSeek: DeepSeek V4 Flash 0731 or Kimi K2.5 cheaper?

The current cheapest TrustedRouter route is $0.142425/1M for DeepSeek: DeepSeek V4 Flash 0731 and $4.2833/1M for Kimi K2.5. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4 Flash 0731 or Kimi K2.5 faster?

Current measured p50 time to first token is 1345 ms for DeepSeek: DeepSeek V4 Flash 0731 and not enough data for Kimi K2.5. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4 Flash 0731 and Kimi K2.5 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-flash-0731 and moonshotai/kimi-k2-5. This makes side-by-side evals possible without maintaining two provider integrations.