Models available on Felo

The strongest GPT-5.6 route for pro reasoning, difficult coding, complex analysis, and agent workflows that need maximum deliberation.

A premium route for complex planning, multi-step analysis, high-stakes content generation, and advanced software engineering assistance.

A high-capability model route for research, analysis, coding assistance, and agent workflows that benefit from a large context window.

The flagship GPT-5.6 tier for complex reasoning, advanced coding, long-context analysis, and high-capability agent workflows.

A strong default for modern applications that need long context, tool use, structured output, and reliable streaming responses.

A balanced pro reasoning route for coding agents, complex tool workflows, and production tasks that need stronger step-by-step reasoning.

A premium model route for deep reasoning, complex software engineering, long-horizon planning, and high-value agent workflows.

The balanced GPT-5.6 tier for production coding agents, reasoning tasks, tool use, and multi-step app workflows.

A strong general-purpose model route for coding, reasoning, research, and production agent workloads through Responses and Chat Completions compatible APIs.

The cost-efficient GPT-5.6 tier with pro reasoning mode for agent tasks that need more deliberate reasoning without moving to the highest tier.

The efficient GPT-5.6 tier for fast coding loops, chat, extraction, search synthesis, and high-volume agent workflows.

A general-purpose flagship route for agent workflows, long document understanding, coding assistance, and production-grade reasoning.

A compact, responsive model route for support bots, extraction, classification, and search-backed answers where latency matters.