Bring your own key

Claude Opus 4 20250514 Coding vs OpenAI: gpt-oss-120b

One key routes both. Starter credit covers your first gpt-oss-120b requests, while Claude Opus 4 20250514 Coding runs on your own provider key. Switch by changing the model name.

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

Claude Opus 4 20250514 Coding has the larger context window. gpt-oss-120b has more Credits provider routes. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.

$94.95/1MClaude Opus 4 20250514 Coding cheapest route

$0.211/1MOpenAI: gpt-oss-120b cheapest route

not enough dataClaude Opus 4 20250514 Coding fastest measured p50 TTFT

415 msOpenAI: gpt-oss-120b fastest measured p50 TTFT via akashml

The price comparison adds each route's rate for one million input tokens and one million output tokens; your cost depends on your input/output mix. 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.

Claude Opus 4 20250514 CodingOpenAI: gpt-oss-120b

Model idanthropic/claude-opus-4-20250514-codingopenai/gpt-oss-120b

Publisher Anthropic OpenAI

AI IQ — IQ 98#136

Context200,000 tokens131,072 tokens

Credits provider routes023

Cheapest route$94.95/1M$0.211/1M

Cached inputNot published$0.015825/1M to $0.1055/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data415 ms via akashml

Highest measured throughputnot enough datanot enough data

Recent route uptime rangenot enough data0.00% to 100.00%

Modes chat messages chat

Claude Opus 4 20250514 Coding routes

Overview0 Credits routes

OpenAI: gpt-oss-120b routes

Overview23 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

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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="anthropic/claude-opus-4-20250514-coding",
    messages=messages,
)

Questions

Which should I use, Claude Opus 4 20250514 Coding or OpenAI: gpt-oss-120b?

Is Claude Opus 4 20250514 Coding or OpenAI: gpt-oss-120b cheaper?

The current cheapest TrustedRouter route is $94.95/1M for Claude Opus 4 20250514 Coding and $0.211/1M for OpenAI: gpt-oss-120b. The comparison uses current catalog prices and updates as provider pricing changes.

Is Claude Opus 4 20250514 Coding or OpenAI: gpt-oss-120b faster?

Current measured p50 time to first token is not enough data for Claude Opus 4 20250514 Coding and 415 ms for OpenAI: gpt-oss-120b. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Claude Opus 4 20250514 Coding and OpenAI: gpt-oss-120b with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between anthropic/claude-opus-4-20250514-coding and openai/gpt-oss-120b. This makes side-by-side evals possible without maintaining two provider integrations.