OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4.1 Flash vs MoonshotAI: Kimi K3

DeepSeek V4.1 Flash vs MoonshotAI: Kimi K3: 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 V4.1 Flash has the lower published input-plus-output rate and the lower measured p50 time to first token. MoonshotAI: Kimi K3 has more Credits provider routes. Their context windows are the same size.

$0.1266/1MDeepSeek: DeepSeek V4.1 Flash cheapest route

$12.3435/1MMoonshotAI: Kimi K3 cheapest route

939 msDeepSeek: DeepSeek V4.1 Flash fastest measured p50 TTFT via together

1172 msMoonshotAI: Kimi K3 fastest measured p50 TTFT via nebius

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 V4.1 FlashMoonshotAI: Kimi K3

Model iddeepseek/deepseek-v4.1-flashmoonshotai/kimi-k3

Publisher DeepSeek Kimi

AI IQ IQ 127#17 IQ 127#20

Context1,048,576 tokens1,048,576 tokens

Credits provider routes2127

Cheapest route$0.1266/1M$12.3435/1M

Cached input$0.01/1M to $0.163631/1M$0.205725/1M to $1.74075/1M

Privacy posturehas Confidential route (E2EE + ZDR)has Confidential route (E2EE + ZDR)

Fastest measured p50 TTFT939 ms via together1172 ms via nebius

Highest measured throughputnot enough datanot enough data

Recent route uptime range0.00% to 100.00%0.00% to 100.00%

Modes chat decide chat

DeepSeek: DeepSeek V4.1 Flash routes

Overview21 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

MoonshotAI: Kimi K3 routes

Overview27 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-v4.1-flash",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V4.1 Flash or MoonshotAI: Kimi K3?

Is DeepSeek: DeepSeek V4.1 Flash or MoonshotAI: Kimi K3 cheaper?

The current cheapest TrustedRouter route is $0.1266/1M for DeepSeek: DeepSeek V4.1 Flash and $12.3435/1M for MoonshotAI: Kimi K3. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4.1 Flash or MoonshotAI: Kimi K3 faster?

Current measured p50 time to first token is 939 ms for DeepSeek: DeepSeek V4.1 Flash and 1172 ms for MoonshotAI: Kimi K3. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4.1 Flash and MoonshotAI: Kimi K3 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-v4.1-flash and moonshotai/kimi-k3. This makes side-by-side evals possible without maintaining two provider integrations.