# Gemini 2.5 Flash vs gpt-5

Every finance benchmark where both have a score (Google and OpenAI). Data refreshed 2 Nov 2026. Scores from different benchmarks use different scales and are not added up.

| Benchmark | Metric | Gemini 2.5 Flash | Gemini 2.5 Flash source | gpt-5 | gpt-5 source | Ahead |
| --- | --- | --- | --- | --- | --- | --- |
| AI-Trader | cumulative return % (higher is better) | -0.060 | Paper Table 1, 1 Dec 2025, https://arxiv.org/html/2512.10971v1 | 1.6 | Paper Table 1, 1 Dec 2025, https://arxiv.org/html/2512.10971v1 | gpt-5 |
| K-FinHallu | binary detection F1 (higher is better) | 0.860 | Paper Table 3, 28 May 2026, https://arxiv.org/html/2605.29523v1 | 0.823 | Paper Table 3, 28 May 2026, https://arxiv.org/html/2605.29523v1 | Gemini 2.5 Flash |

Source: https://benchmarks.finance/compare/gemini-2-5-flash-vs-gpt-5/

Created and maintained by Moneda.