OpenAI compatible API · Attested · Public status

OpenAI: gpt-oss-120b vs Thinking Machines: Inkling

gpt-oss-120b vs Thinking Machines: Inkling: 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

OpenAI: gpt-oss-120b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-120b has more provider fallback routes, while Thinking Machines: Inkling has the larger context window. Current TrustedRouter probes show OpenAI: gpt-oss-120b with the lower p50 TTFT.

$0.211/1MOpenAI: gpt-oss-120b cheapest route
$5.275/1MThinking Machines: Inkling cheapest route
1327 msOpenAI: gpt-oss-120b fastest measured p50 TTFT via fireworks
3058 msThinking Machines: Inkling fastest measured p50 TTFT via thinkingmachines

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.

OpenAI: gpt-oss-120bThinking Machines: Inkling
Model idopenai/gpt-oss-120bthinkingmachines/inkling
Context131,072 tokens524,288 tokens
Credits provider routes224
Cheapest route$0.211/1M$5.275/1M
Cached input$0.015825/1M to $0.1055/1M$0.1688/1M to $0.17935/1M
Privacy posturehas provider E2EE routehas ZDR route
Fastest measured p50 TTFT1327 ms via fireworks3058 ms via thinkingmachines
Highest measured throughput149 tok/s via io-netnot enough data
Recent route uptime range100.00%100.00%
Modes chat chat

OpenAI: gpt-oss-120b routes

Thinking Machines: Inkling routes

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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="openai/gpt-oss-120b",
    messages=messages,
)

Questions

Which should I use, OpenAI: gpt-oss-120b or Thinking Machines: Inkling?

OpenAI: gpt-oss-120b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-120b has more provider fallback routes, while Thinking Machines: Inkling has the larger context window. Current TrustedRouter probes show OpenAI: gpt-oss-120b with the lower p50 TTFT.

Is OpenAI: gpt-oss-120b or Thinking Machines: Inkling cheaper?

The current cheapest TrustedRouter route is $0.211/1M for OpenAI: gpt-oss-120b and $5.275/1M for Thinking Machines: Inkling. The comparison uses current catalog prices and updates as provider pricing changes.

Is OpenAI: gpt-oss-120b or Thinking Machines: Inkling faster?

Current measured p50 time to first token is 1327 ms for OpenAI: gpt-oss-120b and 3058 ms for Thinking Machines: Inkling. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test OpenAI: gpt-oss-120b and Thinking Machines: Inkling with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between openai/gpt-oss-120b and thinkingmachines/inkling. This makes side-by-side evals possible without maintaining two provider integrations.

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