OpenAI compatible API · Attested · Public status

MoonshotAI: Kimi K2.5 vs OpenAI: GPT-5.5

Compare MoonshotAI: Kimi K2.5 and OpenAI: GPT-5.5 by providers, context, price, and TrustedRouter route support.

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

MoonshotAI: Kimi K2.5 has the lower cheapest prompt+completion route on TrustedRouter. MoonshotAI: Kimi K2.5 has more provider fallback routes, while OpenAI: GPT-5.5 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

$36.75/1MOpenAI: GPT-5.5 cheapest route

1188 msMoonshotAI: Kimi K2.5 measured p50 TTFT

2959 msOpenAI: GPT-5.5 measured p50 TTFT

MoonshotAI: Kimi K2.5OpenAI: GPT-5.5

Model idmoonshotai/kimi-k2.5openai/gpt-5.5

PublisherKimiOpenAI

AI IQ IQ 111#39 IQ 133#4

Context262,144 tokens1,050,000 tokens

Provider routes154

Cheapest route$2.52/1M$36.75/1M

Privacy postureprovider posture varieshas ZDR route

Modes chat chat

MoonshotAI: Kimi K2.5 routes

Overview15 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

OpenAI: GPT-5.5 routes

Overview4 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
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,
)