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GPT-5.1-Codex-Max OpenAI
Overview
Provider OpenAI
DFO score 12.7
Performance Tier Legacy
Best For –
Released Dec 2025
Knowledge Cutoff –
Pricing
Input / 1M tokens $1.25
Output / 1M tokens $10.00
Performance
Context Window 400K
Throughput (tok/s) –
Latency (TTFT ms) –
Parameters –
Capabilities
Tool Use Yes
Function Calling Yes
Vision Yes
Open Source No
License –

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