GSO is an AI evaluation tracked by Epoch AI, with 36 scored model versions on record. The scores here are reported by third parties rather than produced by Epoch AI running the evaluation itself.
Scored models span October 2024 to April 2026. The best score recorded is 0.44, measured as Score OPT@1. Models come from Anthropic, OpenAI, Google DeepMind, Moonshot, Alibaba, Z.ai (Zhipu AI),Tsinghua University.
| 01 | claude-opus-4-7 | Anthropic | 0.44 |
| 02 | claude-opus-4-7_high | Anthropic | 0.44 |
| 03 | claude-opus-4-6_high | Anthropic | 0.41 |
| 04 | gpt-5.5_xhigh | OpenAI | 0.4 |
| 05 | claude-opus-4-6 | Anthropic | 0.33 |
| 06 | claude-opus-4-6_unknown | Anthropic | 0.33 |
| 07 | gpt-5.4-2026-03-05_xhigh | OpenAI | 0.31 |
| 08 | gpt-5.2-2025-12-11_high | OpenAI | 0.27 |
| 09 | claude-opus-4-5-20251101 | Anthropic | 0.27 |
| 10 | claude-opus-4-5-20251101_unknown | Anthropic | 0.26 |
| 11 | gpt-5.4-2026-03-05_high | OpenAI | 0.25 |
| 12 | gemini-3.1-pro-preview | Google DeepMind | 0.23 |
| 13 | gemini-3-pro-preview | Google DeepMind | 0.19 |
| 14 | claude-sonnet-4-5-20250929_unknown | Anthropic | 0.15 |
| 15 | claude-sonnet-4-5-20250929 | Anthropic | 0.15 |
| 16 | gpt-5.1-2025-11-13_unknown | OpenAI | 0.14 |
| 17 | gpt-5.1-2025-11-13_high | OpenAI | 0.14 |
| 18 | gemini-3-flash-preview | Google DeepMind | 0.1 |
| 19 | o3-2025-04-16_high | OpenAI | 0.09 |
| 20 | claude-opus-4-20250514 | Anthropic | 0.07 |
| 21 | gpt-5-2025-08-07_high | OpenAI | 0.07 |
| 22 | claude-opus-4-20250514_unknown | Anthropic | 0.07 |
| 23 | Kimi-K2-Instruct | Moonshot | 0.05 |
| 24 | Qwen3-Coder-480B-A35B-Instruct | Alibaba | 0.05 |
| 25 | claude-sonnet-4-20250514_unknown | Anthropic | 0.05 |
| 26 | claude-sonnet-4-20250514 | Anthropic | 0.05 |
| 27 | claude-3-5-sonnet-20241022 | Anthropic | 0.05 |
| 28 | gemini-2.5-pro-preview-06-05 | Google DeepMind | 0.04 |
| 29 | gemini-2.5-pro | Google DeepMind | 0.04 |
| 30 | claude-3-7-sonnet-20250219_unknown | Anthropic | 0.04 |
| 31 | claude-3-7-sonnet-20250219 | Anthropic | 0.04 |
| 32 | o4-mini-2025-04-16_high | OpenAI | 0.04 |
| 33 | GLM-4.5-Air | Z.ai (Zhipu AI),Tsinghua University | 0.03 |
| 34 | o3-mini-2025-01-31_low | OpenAI | 0.01 |
| 35 | o3-mini-2025-01-31_high | OpenAI | 0.01 |
| 36 | gpt-4o-2024-11-20 | OpenAI | 0 |