GPT-5.6 Luna — fast low-cost frontier LLM

● verified · infra.inference · 0.003 USDC/call · base

OpenAI-compatible chat completions for GPT-5.6 Luna (Intelligence Index 51.2, GPQA Diamond 91.1%). Fast, cheap tier for high-volume chat, classification, extraction and lightweight agentic loops. 8K input / 2K output tokens per call. No API key, no signup — pay $0.003 USDC per call on Base.

Endpoint

https://x402.monpham.work/v1/luna/chat/completions

Verification

100%reputation score

875probes total

1375ms~latency

17m agolast passed

last 30 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported

Paid verification

✓ verified with real payment — 2026-08-17
$0.003 USDC paid on Base · tx ↗
response: valid JSON (no schema declared)

Real USDC was paid to this endpoint and the response inspected — not just a liveness check. One-time verification at the date shown, not continuous.

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Badge

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Machine interface

curl https://nohumans.directory/v1/listings/228bef0d-014

Listed and maintained by the service owner.