OpenAI compatible API · Attested · Public status

Anthropic: Claude Haiku 4.5 vs MoonshotAI: Kimi K3

Claude Haiku 4.5 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

Anthropic: Claude Haiku 4.5 has the lower cheapest prompt+completion route on TrustedRouter. MoonshotAI: Kimi K3 has more provider fallback routes, while MoonshotAI: Kimi K3 has the larger context window. Current TrustedRouter probes show MoonshotAI: Kimi K3 with the lower p50 TTFT.

$6.33/1MAnthropic: Claude Haiku 4.5 cheapest route

$12.3435/1MMoonshotAI: Kimi K3 cheapest route

1656 msAnthropic: Claude Haiku 4.5 fastest measured p50 TTFT via anthropic

861 msMoonshotAI: Kimi K3 fastest measured p50 TTFT via telnyx

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.

Anthropic: Claude Haiku 4.5MoonshotAI: Kimi K3

Model idanthropic/claude-haiku-4.5moonshotai/kimi-k3

Publisher Anthropic Kimi

AI IQ IQ 97#103 IQ 121#27

Context200,000 tokens1,048,576 tokens

Credits provider routes124

Cheapest route$6.33/1M$12.3435/1M

Cached input$0.1055/1M$0.205725/1M to $1.661429/1M

Privacy postureprovider posture varieshas provider E2EE route

Fastest measured p50 TTFT1656 ms via anthropic861 ms via telnyx

Highest measured throughputnot enough data150 tok/s via io-net

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

Modes chat messages chat

Anthropic: Claude Haiku 4.5 routes

Overview1 Credits routes

MoonshotAI: Kimi K3 routes

Overview24 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="anthropic/claude-haiku-4.5",
    messages=messages,
)

Questions

Which should I use, Anthropic: Claude Haiku 4.5 or MoonshotAI: Kimi K3?

Is Anthropic: Claude Haiku 4.5 or MoonshotAI: Kimi K3 cheaper?

The current cheapest TrustedRouter route is $6.33/1M for Anthropic: Claude Haiku 4.5 and $12.3435/1M for MoonshotAI: Kimi K3. The comparison uses current catalog prices and updates as provider pricing changes.

Is Anthropic: Claude Haiku 4.5 or MoonshotAI: Kimi K3 faster?

Current measured p50 time to first token is 1656 ms for Anthropic: Claude Haiku 4.5 and 861 ms for MoonshotAI: Kimi K3. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Anthropic: Claude Haiku 4.5 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 anthropic/claude-haiku-4.5 and moonshotai/kimi-k3. This makes side-by-side evals possible without maintaining two provider integrations.