OpenAI compatible API · Attested · Public status

OpenAI: GPT-5.5 vs Thinking Machines: Inkling Small

Compare OpenAI: GPT-5.5 and Thinking Machines: Inkling Small 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

Thinking Machines: Inkling Small has the lower cheapest prompt+completion route on TrustedRouter. Thinking Machines: Inkling Small has more provider fallback routes, while OpenAI: GPT-5.5 has the larger context window. Current TrustedRouter probes show Thinking Machines: Inkling Small with the lower p50 TTFT.

$36.75/1MOpenAI: GPT-5.5 cheapest route

$1.575/1MThinking Machines: Inkling Small cheapest route

2959 msOpenAI: GPT-5.5 measured p50 TTFT

1484 msThinking Machines: Inkling Small measured p50 TTFT

OpenAI: GPT-5.5Thinking Machines: Inkling Small

Model idopenai/gpt-5.5thinkingmachines/inkling-small

PublisherOpenAIDeepInfra

AI IQ IQ 133#4 —

Context1,050,000 tokens524,288 tokens

Provider routes46

Cheapest route$36.75/1M$1.575/1M

Privacy posturehas ZDR routeprovider posture varies

Modes chat chat

OpenAI: GPT-5.5 routes

Overview4 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Thinking Machines: Inkling Small routes

Overview6 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="openai/gpt-5.5",
    messages=messages,
)