OpenAI compatible API · Attested · Public status

Claude Opus 5 vs OpenAI: GPT-5.6 Sol

Compare Claude Opus 5 and OpenAI: GPT-5.6 Sol 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

Claude Opus 5 has the lower cheapest prompt+completion route on TrustedRouter. Claude Opus 5 has more provider fallback routes, while OpenAI: GPT-5.6 Sol has the larger context window. Current TrustedRouter probes show OpenAI: GPT-5.6 Sol with the lower p50 TTFT.

$31.5/1MClaude Opus 5 cheapest route

$36.75/1MOpenAI: GPT-5.6 Sol cheapest route

3238 msClaude Opus 5 measured p50 TTFT

1437 msOpenAI: GPT-5.6 Sol measured p50 TTFT

Claude Opus 5OpenAI: GPT-5.6 Sol

Model idanthropic/claude-opus-5openai/gpt-5.6-sol

PublisherAnthropicOpenAI

AI IQ IQ 134#3 IQ 136#1

Context1,000,000 tokens1,050,000 tokens

Provider routes54

Cheapest route$31.5/1M$36.75/1M

Privacy postureprovider posture varieshas ZDR route

Modes chat messages chat

Claude Opus 5 routes

Overview5 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

OpenAI: GPT-5.6 Sol 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="anthropic/claude-opus-5",
    messages=messages,
)