openai/gpt-5.4-miniGPT-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. Its strongest use case is coding, where it ranks in the 62nd percentile of the models Model Beat tracks.
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.
Scores on standardized evaluations. Higher is better — and rank shows where GPT-5.4 Mini lands among all models tracked on Model Beat.
Abstract visual reasoning
Harder abstract reasoning
Graduate-level scientific reasoning
Frontier of human expert knowledge
Factual accuracy & hallucination
Novel ML problem-solving
Scientific research coding
Human-rated web development
Olympiad-qualifier math
Research-level math problems
Hardest research math
Multi-step agentic tasks
Tool-agent-user reliability
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.
GPT-5.4 Mini is an AI model developed by OpenAI, part of the GPT family, released Mar 17, 2026.
GPT-5.4 Mini's list price from OpenAI is $0.75 per million input tokens and $4.50 per million output tokens.
GPT-5.4 Mini supports a context window of up to 400K tokens.
On standardized evaluations tracked by Epoch AI, GPT-5.4 Mini scores 49.9% on SciCode, 60.3% on WeirdML, 24.6% on APEX.
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 Jul 30, 2026.