OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Flash 0731 vs MoonshotAI: Kimi K3

DeepSeek V4 Flash 0731 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

DeepSeek: DeepSeek V4 Flash 0731 has the lower cheapest prompt+completion route on TrustedRouter. MoonshotAI: Kimi K3 has more provider fallback routes, while DeepSeek: DeepSeek V4 Flash 0731 has the larger context window. Current TrustedRouter probes show DeepSeek: DeepSeek V4 Flash 0731 with the lower p50 TTFT.

$0.273/1MDeepSeek: DeepSeek V4 Flash 0731 cheapest route

$8.4/1MMoonshotAI: Kimi K3 cheapest route

994 msDeepSeek: DeepSeek V4 Flash 0731 fastest measured p50 TTFT via deepinfra

1360 msMoonshotAI: Kimi K3 fastest measured p50 TTFT via together

DeepSeek: DeepSeek V4 Flash 0731MoonshotAI: Kimi K3

Model iddeepseek/deepseek-v4-flash-0731moonshotai/kimi-k3

Publisher DeepSeek Kimi

AI IQ — IQ 123#14

Context1,048,576 tokens1,048,576 tokens

Provider routes1630

Cheapest route$0.273/1M$8.4/1M

Privacy posturehas ZDR routehas provider E2EE route

Fastest measured p50 TTFT994 ms via deepinfra1360 ms via together

Highest measured throughput105 tok/s via baseten22 tok/s via cloudflare-workers-ai

Recent route uptime range100.00%0.00% to 100.00%

Modes chat chat

DeepSeek: DeepSeek V4 Flash 0731 routes

Overview16 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

MoonshotAI: Kimi K3 routes

Overview30 endpoints
PricingPrompt and completion 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-flash-0731",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V4 Flash 0731 or MoonshotAI: Kimi K3?

Is DeepSeek: DeepSeek V4 Flash 0731 or MoonshotAI: Kimi K3 cheaper?

The current cheapest TrustedRouter route is $0.273/1M for DeepSeek: DeepSeek V4 Flash 0731 and $8.4/1M for MoonshotAI: Kimi K3. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4 Flash 0731 or MoonshotAI: Kimi K3 faster?

Current measured p50 time to first token is 994 ms for DeepSeek: DeepSeek V4 Flash 0731 and 1360 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 Flash 0731 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-flash-0731 and moonshotai/kimi-k3. This makes side-by-side evals possible without maintaining two provider integrations.