What earns a new model a permanent spot in your agent? Devs weigh in after testing M3.1 Flash Preview

Willing_Amphibian825 · reddit · 2026-10-10

An agent developer describes an architecture of one upfront reasoning call followed by a long tail of short tool calls (lookups, reformatting). A new model appeared under an existing key — M3.1 Flash Preview — seemingly aimed at exactly that high-frequency short-call pattern. With no model card or benchmarks published, they've only run throwaway batches and ask the community: what signals in a model's first runs earn it a permanent spot in your agent?

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