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Agent Hub – GPT-OSS-120B Chat Completions (OpenAI-Compatible)
x402
Agent Hub – GPT-OSS-120B Chat Completions (OpenAI-Compatible) is a paid API for AI agents from agents.torbrooknews.com, paid per call via x402, $0.006/call, status unknown (last checked 2026-10-13).
Runs OpenAI-compatible chat completions on GPT-OSS-120B, a large open-weight reasoning model with tool calling and streaming, billed per-request via x402 micropayments.
Price / call$0.006
Success—
StatusUnknown
How this service works
OpenAI-compatible chat completions on OpenAI gpt-oss-120b, the strongest open-weight OpenAI model, reasoning with tool calling. Set your OpenAI SDK base URL to https://agents.torbrooknews.com/v1/gpt-oss and pay $0.006 per request with x402 instead of an API key. Same request/response shape as OpenAI (tool calling, reasoning, streaming supported), up to 4096 output tokens. Also callable as GET with the same fields as query parameters.
Output
Returns an OpenAI-compatible chat completion object containing an assistant message, optional tool calls, and reasoning traces. Supports streaming responses. Output is capped at 4096 tokens per request.
Example use cases
Complex multi-step reasoning task
“I need the biggest, smartest open-weight model to reason through this legal contract clause and tell me what risks it poses for a software vendor — here's the clause: 'Vendor shall indemnify Buyer for any third-party IP claims arising from Vendor's software.'”
Agentic tool-calling pipeline
“Use the 120B reasoning model to analyze my sales data summary and call a calculator tool to project Q4 revenue growth if we grow at 12% month-over-month from a $500k baseline.”
Pay-per-use LLM without API key
“I don't have an OpenAI API key but I want to run a tough reasoning prompt — use the GPT-OSS-120B endpoint that takes x402 micropayments and ask it: what are the top five failure modes of distributed consensus algorithms?”
Technical details
Endpoint
GEThttps://agents.torbrooknews.com/v1/gpt-oss/chat/completions?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need the largest, most capable open-weight OpenAI model (120B) with full tool-calling and reasoning support, especially when you want OpenAI SDK compatibility without an OpenAI API key, or when per-request micropayment billing via x402 is preferred over a subscription. Prefer this over the 20B sibling when task complexity demands deeper reasoning or more nuanced multi-step outputs.
Side effects
- Prompt missing or empty — 400 bad request
- Payment not provided or x402 handshake fails — 402 Payment Required
- Model overloaded or unavailable — 503 Service Unavailable
- Output truncated at 4096 token limit if prompt+completion exceeds context
- Invalid temperature or max_tokens value — 422 Unprocessable Entity
- Streaming connection dropped mid-response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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