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MoonshotAI: Kimi K3 vs GPT Image 2.5 Sunburst

Try both on us. Starter credit covers your first requests, then one key routes Kimi K3 and GPT Image 2.5 Sunburst. 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

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

$11.97425/1MMoonshotAI: Kimi K3 cheapest route

$36.925/1MGPT Image 2.5 Sunburst cheapest route

968 msMoonshotAI: Kimi K3 fastest measured p50 TTFT via sail-research

not enough dataGPT Image 2.5 Sunburst fastest measured p50 TTFT

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.

MoonshotAI: Kimi K3GPT Image 2.5 Sunburst

Model idmoonshotai/kimi-k3openai/gpt-image-2.5-sunburst

Publisher Kimi OpenAI

AI IQ IQ 127#22 —

Context1,048,576 tokens0 tokens

Credits provider routes281

Cheapest route$11.97425/1M$36.925/1M

Cached input$0.195175/1M to $1.330777/1M$1.31875/1M

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

Fastest measured p50 TTFT968 ms via sail-researchnot enough data

Highest measured throughput172 tok/s via boundlessnot enough data

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

Modes chat

MoonshotAI: Kimi K3 routes

Overview28 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

GPT Image 2.5 Sunburst 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="moonshotai/kimi-k3",
    messages=messages,
)

Questions

Which should I use, MoonshotAI: Kimi K3 or GPT Image 2.5 Sunburst?

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

Is MoonshotAI: Kimi K3 or GPT Image 2.5 Sunburst cheaper?

The current cheapest TrustedRouter route is $11.97425/1M for MoonshotAI: Kimi K3 and $36.925/1M for GPT Image 2.5 Sunburst. The comparison uses current catalog prices and updates as provider pricing changes.

Is MoonshotAI: Kimi K3 or GPT Image 2.5 Sunburst faster?

Current measured p50 time to first token is 968 ms for MoonshotAI: Kimi K3 and not enough data for GPT Image 2.5 Sunburst. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test MoonshotAI: Kimi K3 and GPT Image 2.5 Sunburst 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.