release aidev SIG 2/5

Pi v0.79.3: context window metadata fix for OpenAI models

A patch release fixing inherited context window metadata for several OpenAI/Codex models to match the observed 272k-token Codex backend limit, preventing prompts above that limit from being silently accepted and incurring unexpected billing.

PUBLISHED2026-06-13

OBSERVED2026-08-21

AGE2mo

SOURCES1

Fixed inherited OpenAI GPT-5.4/GPT-5.5 and OpenAI Codex GPT-5.4/GPT-5.4 mini/GPT-5.5 context window metadata to use the observed 272k-token Codex backend limit, preventing a billing hazard from prompts above Codex's accepted limit.

fix

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