Codex doubles per-user throughput overnight
TheZachMueller · x · 2026-07-20
The author says Codex ended the night at 2× tok/s per user.
The quoted update adds the context:
- It was already running at 20 tok/s/user.
- The setup used 10GbE and a 4/2 split of GPUs between nodes.
- The gains came before optimization and with speculative decoding already in use.
In other words, this is a small but concrete performance update for a coding-agent system, with some infrastructure details behind the throughput improvement.
Related event: Codex Doubles Per-User Throughput(2 posts)→
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