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GPT-5.4 mini

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OpenAI
Specifications
Modalities
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Context Window-
Max Output-
Training Cutoff-
Open SourceNo
Pricing (per 1M tokens)
Input$0.7500
Output$4.5000
Cache Read$0.0750
Benchmarks
Arena score (text)1447

Arena ratings: LMArena leaderboard dataset, CC BY 4.0, snapshot 2026-10-28.

MMLU-Pro-
SWE-Bench-
GPQA Diamond-
HumanEval-
ARC-AGI-
MATH-
API
Model IDgpt-5.4-mini
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