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ByteDance Seedance 2.5 vs MoonshotAI: Kimi K3

Try both on us. Starter credit covers your first requests, then one key routes ByteDance Seedance 2.5 and Kimi K3. Switch by changing the model name.

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

ByteDance Seedance 2.5 has the lower published input-plus-output rate. MoonshotAI: Kimi K3 has more Credits provider routes and the larger context window. There is not enough recent probe data to compare speed.

$11.2885/1MByteDance Seedance 2.5 cheapest route

$11.97425/1MMoonshotAI: Kimi K3 cheapest route

not enough dataByteDance Seedance 2.5 fastest measured p50 TTFT

980 msMoonshotAI: Kimi K3 fastest measured p50 TTFT via lyceum

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.

ByteDance Seedance 2.5MoonshotAI: Kimi K3

Model idbytedance/seedance-2.5moonshotai/kimi-k3

Publisher BytePlus ModelArk Kimi

AI IQ — IQ 127#21

Context15,000 tokens1,048,576 tokens

Credits provider routes228

Cheapest route$11.2885/1M$11.97425/1M

Cached inputNot published$0.195175/1M to $1.897945/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data980 ms via lyceum

Highest measured throughputnot enough data172 tok/s via sail-research

Recent route uptime rangenot enough data50.00% to 100.00%

Modes chat

ByteDance Seedance 2.5 routes

Overview2 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

MoonshotAI: Kimi K3 routes

Overview28 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.

Questions

Which should I use, ByteDance Seedance 2.5 or MoonshotAI: Kimi K3?

Is ByteDance Seedance 2.5 or MoonshotAI: Kimi K3 cheaper?

The current cheapest TrustedRouter route is $11.2885/1M for ByteDance Seedance 2.5 and $11.97425/1M for MoonshotAI: Kimi K3. The comparison uses current catalog prices and updates as provider pricing changes.

Is ByteDance Seedance 2.5 or MoonshotAI: Kimi K3 faster?

Current measured p50 time to first token is not enough data for ByteDance Seedance 2.5 and 980 ms for MoonshotAI: Kimi K3. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test ByteDance Seedance 2.5 and MoonshotAI: Kimi K3 with the same API?

Both use the same TrustedRouter base URL and API key. At least one of them is not a chat model, so the request can differ as well as the model id: the API docs list the route for each kind of model.