Updated daily at 05:00 UTC
Ranking
Best AI models for Factuality & hallucination
Answering factual questions correctly, abstaining when unsure, and staying grounded in provided sources.
Ranked models
Based on 1 benchmark
| Rank | Model | Company | Score | Coverage | Released |
|---|---|---|---|---|---|
| 1 | GPT-6 Astra | OpenAI | 75.6 | 1 of 1 | 3 Sep 2026 |
| 2 | Gemini 3.1 Pro | Google DeepMind | 73.5 | 1 of 1 | 19 Feb 2026 |
| 3 | Claude Opus 5.5 | Anthropic | 72.2 | 1 of 1 | 22 Sep 2026 |
| 4 | Claude Fable 5.1 | Anthropic | 70.8 | 1 of 1 | 1 Sep 2026 |
| 5 | Claude Fable 5 | Anthropic | 70.7 | 1 of 1 | 9 Jun 2026 |
| 6 | Gemini 3.8 Flash | Google DeepMind | 69.7 | 1 of 1 | 2 Sep 2026 |
| 6 | GPT-5.6 Sol | OpenAI | 69.7 | 1 of 1 | 9 Jul 2026 |
| 8 | Gemini 3.7 Flash | Google DeepMind | 69.2 | 1 of 1 | 13 Aug 2026 |
| 9 | Gemini 3 Flash | Google DeepMind | 66.8 | 1 of 1 | 17 Dec 2025 |
| 10 | Gemini 3.5 Flash | Google DeepMind | 66.2 | 1 of 1 | 19 May 2026 |
| 10 | Gemini 3.6 Flash | Google DeepMind | 66.2 | 1 of 1 | 21 Jul 2026 |
| 12 | GPT-5.5 | OpenAI | 63.0 | 1 of 1 | 23 Apr 2026 |
| 13 | Muse Spark 1.2 | Meta | 60.3 | 1 of 1 | 5 Aug 2026 |
| 14 | Claude Opus 5 | Anthropic | 59.9 | 1 of 1 | 24 Jul 2026 |
| 15 | Muse Spark 1.1 | Meta | 57.8 | 1 of 1 | 8 Apr 2026 |
| 16 | Qwen3.7-Max | Alibaba Group | 55.8 | 1 of 1 | 20 May 2026 |
| 17 | Claude Opus 4.8 | Anthropic | 53.0 | 1 of 1 | 28 May 2026 |
| 18 | DeepSeek-V4-Pro | DeepSeek | 52.9 | 1 of 1 | 24 Apr 2026 |
| 19 | Qwen3.6-Max-Preview Deprecated | Alibaba Group | 52.0 | 1 of 1 | 14 Apr 2026 |
| 20 | Claude Opus 4.7 | Anthropic | 51.7 | 1 of 1 | 16 Apr 2026 |
| 21 | Kimi K3 | Moonshot AI | 50.6 | 1 of 1 | 16 Jul 2026 |
| 22 | GPT-5 Deprecated | OpenAI | 50.1 | 1 of 1 | 7 Aug 2025 |
| 23 | o3 Deprecated | OpenAI | 49.4 | 1 of 1 | 16 Apr 2025 |
| 24 | Grok 4.6 | SpaceXAI (xAI) | 49.3 | 1 of 1 | 12 Aug 2026 |
| 25 | Qwen3-Max Deprecated | Alibaba Group | 48.7 | 1 of 1 | 5 Sep 2025 |
| 26 | Grok 4.5 | SpaceXAI (xAI) | 48.3 | 1 of 1 | 8 Jul 2026 |
| 27 | GPT-5.1 | OpenAI | 48.0 | 1 of 1 | 12 Nov 2025 |
| 28 | Qwen3.8-Max | Alibaba Group | 47.3 | 1 of 1 | 2 Aug 2026 |
| 29 | Claude Opus 4.6 | Anthropic | 47.0 | 1 of 1 | 5 Feb 2026 |
| 30 | GPT-5.4 Pro | OpenAI | 46.3 | 1 of 1 | 5 Mar 2026 |
| 31 | Claude Opus 4.5 | Anthropic | 45.7 | 1 of 1 | 24 Nov 2025 |
| 32 | GPT-5.4 | OpenAI | 45.1 | 1 of 1 | 5 Mar 2026 |
| 33 | Qwen3.6-Plus | Alibaba Group | 44.1 | 1 of 1 | 2 Apr 2026 |
| 34 | GPT-5.6 Terra | OpenAI | 43.2 | 1 of 1 | 9 Jul 2026 |
| 35 | o1 Deprecated | OpenAI | 41.1 | 1 of 1 | 5 Dec 2024 |
| 36 | GLM-5.3 | Z.ai (Zhipu AI) | 41.0 | 1 of 1 | 18 Aug 2026 |
| 36 | GPT-5.6 Luna | OpenAI | 41.0 | 1 of 1 | 9 Jul 2026 |
| 38 | Qwen3-235B-A22B-Thinking-2507 | Alibaba Group | 40.4 | 1 of 1 | 25 Jul 2025 |
| 39 | Inkling | Thinking Machines Lab | 40.3 | 1 of 1 | 15 Jul 2026 |
| 40 | GPT-5.2 | OpenAI | 37.1 | 1 of 1 | 11 Dec 2025 |
| 41 | Kimi K2.7 Code | Moonshot AI | 36.5 | 1 of 1 | 12 Jun 2026 |
| 42 | Claude Sonnet 4.6 | Anthropic | 35.5 | 1 of 1 | 17 Feb 2026 |
| 43 | Kimi K2.6 | Moonshot AI | 34.9 | 1 of 1 | 20 Apr 2026 |
| 44 | Kimi K2.5 | Moonshot AI | 34.3 | 1 of 1 | 27 Jan 2026 |
| 45 | GLM-5.2 | Z.ai (Zhipu AI) | 34.2 | 1 of 1 | 16 Jun 2026 |
| 46 | GLM-5.1 | Z.ai (Zhipu AI) | 34.0 | 1 of 1 | 7 Apr 2026 |
| 47 | Claude Sonnet 5 | Anthropic | 33.7 | 1 of 1 | 30 Jun 2026 |
| 48 | DeepSeek-V4-Flash | DeepSeek | 33.6 | 1 of 1 | 24 Apr 2026 |
| 49 | Grok 4.3 | SpaceXAI (xAI) | 33.2 | 1 of 1 | 17 Apr 2026 |
| 50 | GLM-4.7 | Z.ai (Zhipu AI) | 32.2 | 1 of 1 | 22 Dec 2025 |
| 51 | GPT-4.1 | OpenAI | 31.1 | 1 of 1 | 14 Apr 2025 |
| 52 | Claude Sonnet 4.5 | Anthropic | 30.7 | 1 of 1 | 29 Sep 2025 |
| 53 | Grok 4.20 | SpaceXAI (xAI) | 30.2 | 1 of 1 | Feb 2026 |
| 54 | GPT-5.4 mini | OpenAI | 29.4 | 1 of 1 | 17 Mar 2026 |
| 55 | GPT-4o | OpenAI | 26.0 | 1 of 1 | 13 May 2024 |
| 56 | Qwen3.5-Plus | Alibaba Group | 25.4 | 1 of 1 | 15 Feb 2026 |
| 57 | GPT-5 mini Deprecated | OpenAI | 21.6 | 1 of 1 | 7 Aug 2025 |
| 58 | Qwen3.5-Flash | Alibaba Group | 20.3 | 1 of 1 | 23 Feb 2026 |
| 59 | o4-mini Deprecated | OpenAI | 19.6 | 1 of 1 | 16 Apr 2025 |
| 60 | Inkling Small | Thinking Machines Lab | 19.1 | 1 of 1 | 30 Jul 2026 |
| 61 | Qwen3.6-Flash | Alibaba Group | 15.9 | 1 of 1 | 16 Apr 2026 |
| 62 | o3-mini Deprecated | OpenAI | 15.3 | 1 of 1 | 31 Jan 2025 |
| 63 | Claude Haiku 4.5 | Anthropic | 13.2 | 1 of 1 | 15 Oct 2025 |
| 64 | GPT-4.1 mini | OpenAI | 12.7 | 1 of 1 | 14 Apr 2025 |
| 65 | Claude 3 Opus Retired | Anthropic | 12.6 | 1 of 1 | 4 Mar 2024 |
| 66 | GPT-5 nano Deprecated | OpenAI | 11.7 | 1 of 1 | 7 Aug 2025 |
| 66 | GPT-5.4 nano | OpenAI | 11.7 | 1 of 1 | 17 Mar 2026 |
| 68 | Gemma 4 31B | Google DeepMind | 10.4 | 1 of 1 | 31 Mar 2026 |
| 69 | GPT-4o mini | OpenAI | 8.3 | 1 of 1 | 18 Jul 2024 |
| 70 | GPT-4.1 nano Deprecated | OpenAI | 6.0 | 1 of 1 | 14 Apr 2025 |
