Factuality / history
Factuality succession
| From | To | Model | State |
|---|---|---|---|
| Jul 14, 2026 | Jul 21, 2026 | Claude Fable 5 | CO_SOTA |
| Jul 14, 2026 | Jul 21, 2026 | Claude Opus 4.6 | CO_SOTA |
| Jul 14, 2026 | Jul 21, 2026 | Gemini 3 Pro | CO_SOTA |
| Jul 14, 2026 | Jul 21, 2026 | GPT-5.4 | CO_SOTA |
| Jul 14, 2026 | Jul 21, 2026 | GPT-5.5 | CO_SOTA |
| Jul 14, 2026 | Jul 21, 2026 | Muse Spark 1.1 | CO_SOTA |
| Jul 21, 2026 | Jul 30, 2026 | Claude Fable 5 | CO_SOTA |
| Jul 21, 2026 | Jul 30, 2026 | Claude Opus 4.6 | CO_SOTA |
| Jul 21, 2026 | Jul 30, 2026 | GPT-5.4 | CO_SOTA |
| Jul 21, 2026 | Jul 30, 2026 | GPT-5.5 | CO_SOTA |
| Jul 30, 2026 | Aug 3, 2026 | Claude Opus 5 | SOTA |
| Aug 3, 2026 | Aug 10, 2026 | Claude Fable 5 | CO_SOTA |
| Aug 3, 2026 | Aug 10, 2026 | Claude Opus 4.6 | CO_SOTA |
| Aug 3, 2026 | Aug 10, 2026 | Claude Opus 5 | CO_SOTA |
| Aug 3, 2026 | Aug 10, 2026 | GPT-5.4 | CO_SOTA |
| Aug 3, 2026 | Aug 10, 2026 | GPT-5.5 | CO_SOTA |
| Aug 10, 2026 | Aug 21, 2026 | Claude Fable 5 | CO_SOTA |
| Aug 10, 2026 | Aug 21, 2026 | Claude Opus 4.6 | CO_SOTA |
| Aug 10, 2026 | Aug 21, 2026 | Claude Opus 5 | CO_SOTA |
| Aug 10, 2026 | Aug 21, 2026 | GPT-5.4 | CO_SOTA |
| Aug 10, 2026 | Aug 21, 2026 | GPT-5.5 | CO_SOTA |
| Aug 10, 2026 | Aug 21, 2026 | Muse Spark 1.2 | CO_SOTA |
| Aug 21, 2026 | Oct 2, 2026 | Claude Opus 4.6 | CO_SOTA |
| Aug 21, 2026 | Oct 2, 2026 | Claude Opus 5 | CO_SOTA |
| Aug 21, 2026 | Oct 2, 2026 | Gemini 3.7 Flash | CO_SOTA |
| Aug 21, 2026 | Oct 2, 2026 | Muse Spark 1.2 | CO_SOTA |
| Oct 2, 2026 | now | Claude Fable 5.1 | CO_SOTA |
| Oct 2, 2026 | now | Claude Opus 5.5 | CO_SOTA |
| Oct 2, 2026 | now | Gemini 4 Argon | CO_SOTA |