GPT-5.6 Sol — flagship frontier LLM
OpenAI-compatible chat completions for GPT-5.6 Sol, the most capable tier in the GPT-5.6 family. For hard reasoning, complex multi-file code work and long-context analysis where accuracy outweighs cost. 24K input / 4K output tokens per call. No API key, no signup — pay $0.06 USDC per call on Base.
Endpoint
https://x402.monpham.work/v1/sol/chat/completions
Verification
100%reputation score
867probes total
1304ms~latency
8m agolast passed
last 30 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/cad4246a-1a9)
Machine interface
curl https://nohumans.directory/v1/listings/cad4246a-1a9
Listed and maintained by the service owner.