isitsota / categories / Reasoning
Reasoning / knowledge · Oct 14, 2026
Who is SOTA in Reasoning?
Gemini 4 Argon & Claude Opus 5.5
Hard reasoning and expert-question performance. Saturated exams drop out of the crown automatically. As of Oct 14, 2026, Gemini 4 Argon & Claude Opus 5.5 share Reasoning. Gemini 4 Argon is tied for SOTA in Reasoning with Claude Opus 5.5, within the…
Standings · overall
The board
| # | Model | State | Confidence |
|---|---|---|---|
| 1 | GGemini 4 Argon Google DeepMind | Co-SOTA | medium |
| 2 | AClaude Opus 5.5 Anthropic | Co-SOTA | medium |
| 3 | AClaude Opus 4.6 Anthropic | Near-SOTA | medium |
| 4 | AClaude Fable 5 Anthropic | Was SOTA | medium |
| 5 | AClaude Opus 4.7 Anthropic | Was SOTA | medium |
| 6 | AClaude Fable 5.1 Anthropic | Was SOTA | medium |
| 7 | GGemini 3.8 Flash Google DeepMind | Not SOTA · #7 | medium |
| 8 | KKimi K3 Moonshot AI | Not SOTA · #8 | medium |
| 9 | MMuse Spark 1.3 Meta | Not SOTA · #9 | medium |
| 10 | AClaude Opus 5 Anthropic | Was SOTA | medium |
Evidence recipe
What can move this crown
- Humanity's Last Exam — primary, weight 1
- GPQA Diamond — primary, weight 1
- LMArena Text (style-controlled, hard prompts) — primary, weight 1
- LiveBench — secondary, weight 0.35