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Evidence-based comparison

GPT-5 mini (2025-08-07) vs o4-mini (2025-04-16)

Compare the configurations using only independent benchmarks where both have published results under the same version and methodology.

OpenAIversusOpenAIChecked August 13, 2026
Like-for-like results

Shared benchmark scores

No cross-benchmark averaging. A higher score is better for every comparison shown below.

BenchmarkGPT-5 mini (2025-08-07)o4-mini (2025-04-16)
HELM Capabilities0.8190.812
MedHELM0.6900.697

GPT-5 mini (2025-08-07)

Published by OpenAI. This profile currently contains 2 independently sourced benchmark results.

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o4-mini (2025-04-16)

Published by OpenAI. This profile currently contains 4 independently sourced benchmark results.

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