AnyModelOpenAIPopular
GPT-5.6 Sol
Latest frontier agentic coding model — the new Codex default.
GPT-5.6 Sol is OpenAI's newest frontier model for agentic coding: the default engine of modern Codex, tuned for long autonomous sessions, repo-scale edits and reliable tool calling. Pick it when you want the strongest coder in the GPT line.
Best for
Codex CLIComplex codingAgents
Strengths
- ▸Frontier agentic coding
- ▸Autonomous sessions
- ▸Reliable tool use
Use GPT-5.6 Sol via AnyModel
One OpenAI-compatible endpoint — just set the model id:
curl https://anymodel.org/v1/chat/completions \
-H "Authorization: Bearer $ANYMODEL_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.6-sol",
"messages": [{"role": "user", "content": "Hello!"}]
}'