OpenAI compatible API · Attested · Public status

MoonshotAI: Kimi K2.5 vs OpenAI: GPT-5 Nano

Compare MoonshotAI: Kimi K2.5 and OpenAI: GPT-5 Nano by providers, context, price, and TrustedRouter route support.

Verify gateway

Onebase URL to migrate

100sof models and routes

Noneprompt logs by default

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

OpenAI: GPT-5 Nano has the lower cheapest prompt+completion route on TrustedRouter. MoonshotAI: Kimi K2.5 has more provider fallback routes, while OpenAI: GPT-5 Nano has the larger context window. Current TrustedRouter probes show MoonshotAI: Kimi K2.5 with the lower p50 TTFT.

$2.52/1MMoonshotAI: Kimi K2.5 cheapest route

$0.4725/1MOpenAI: GPT-5 Nano cheapest route

2157 msMoonshotAI: Kimi K2.5 measured p50 TTFT

5143 msOpenAI: GPT-5 Nano measured p50 TTFT

MoonshotAI: Kimi K2.5OpenAI: GPT-5 Nano

Model idmoonshotai/kimi-k2.5openai/gpt-5-nano

PublisherKimiOpenAI

AI IQ IQ 111#39 IQ 96#81

Context262,144 tokens400,000 tokens

Provider routes164

Cheapest route$2.52/1M$0.4725/1M

Privacy posturehas confidential-compute routeprovider posture varies

Modes chat chat

MoonshotAI: Kimi K2.5 routes

Overview16 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

OpenAI: GPT-5 Nano routes

Overview4 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

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-k2.5",
    messages=messages,
)