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Models/GPT-5.4 Mini
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openai/gpt-5.4-mini

GPT-5.4 Mini is OpenAI’s proprietary AI model, released Mar 17, 2026. It costs $0.75/M input and $4.50/M output tokens, and handles a 400K-token context window.

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.

Context
400K
Input
$0.75 / 1M
Output
$4.50 / 1M
Released
Mar 17, 2026
Modalities
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Benchmarks

Scores on standardized evaluations. Higher is better — and rank shows where GPT-5.4 Mini lands among all models tracked on Model Beat.

42.0
Intelligence Index
Epoch AI
42nd percentile of tracked models
56.0
Coding Index
Epoch AI
56th percentile of tracked models
41.0
Agentic Index
Epoch AI
41st percentile of tracked models

Reasoning

6 evals
ARC-AGI63.7%

Abstract visual reasoning

ARC-AGI-218.9%

Harder abstract reasoning

GPQA Diamond86.9%

Graduate-level scientific reasoning

Humanity's Last Exam28.1%

Frontier of human expert knowledge

SimpleQA Verified29.4%

Factual accuracy & hallucination

WeirdML60.3%

Novel ML problem-solving

Coding

2 evals
SciCode52.1%

Scientific research coding

WebDev Arena1397

Human-rated web development

Math

3 evals
AIME 2024/202588.9%

Olympiad-qualifier math

FrontierMath28.3%

Research-level math problems

FrontierMath Tier 42.1%

Hardest research math

Agentic & Tools

2 evals
APEX24.6%

Multi-step agentic tasks

τ²-bench83.3%

Tool-agent-user reliability

Changelog

1
  • GPT-5.4 Mini: Humanity's Last Exam improved from 26.6% to 28.1% (+6%)benchmark · Aug 6, 2026

Compare GPT-5.4 Mini with

Frequently asked questions

What is GPT-5.4 Mini?

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.

Who created GPT-5.4 Mini?

GPT-5.4 Mini is an AI model developed by OpenAI, part of the GPT family, released Mar 17, 2026.

How much does GPT-5.4 Mini cost?

GPT-5.4 Mini's list price from OpenAI is $0.75 per million input tokens and $4.50 per million output tokens.

What is GPT-5.4 Mini's context window?

GPT-5.4 Mini supports a context window of up to 400K tokens.

How does GPT-5.4 Mini perform on benchmarks?

On standardized evaluations tracked by Epoch AI, GPT-5.4 Mini scores 52.1% on SciCode, 86.9% on GPQA Diamond, 60.3% on WeirdML.

Is GPT-5.4 Mini open source?

GPT-5.4 Mini is a proprietary model (API access), available through its provider's API rather than as a downloadable open-weight model.

Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 17, 2026.