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OpenAI: GPT 5.1 Codex Mini API – Performance & Latency Metrics
GPT 5.1 Codex Mini
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gpt-5.1-codex-mini
by
OpenAI
OpenAI
|
Created Nov 13, 2025
|
400k context
Chat Completions
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GPT-5.1-Codex-Mini is a more compact and faster variant of GPT-5.1-Codex.
Overview
Specifications
Activity
Performance
Uptime
Examples
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Throughput
Time-To-First-Token (TTFT)
Not enough TTFT data