Grok 4.3 Beta vs Qwen 3.6 Plus
Grok 4.3 Beta · xAI, released 2026-04-17
Qwen 3.6 Plus · Alibaba, released 2026-03-31
“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-09-09 · Methodology · Data Sources
Grok 4.3 Beta leads on more of the 5 benchmarks where both are measured — Grok 4.3 Beta on 3, Qwen 3.6 Plus on 1, tied on 1. The remaining 4 of 9 tracked benchmarks cannot be compared: 3 have a result for only one of the two models, 1 for neither. Nothing on this page is estimated to fill those in.
Head-to-head
Measured on 5 of 9 tracked benchmarks for both models — Grok 4.3 Beta leads on 3, Qwen 3.6 Plus leads on 1, tied on 1.
| Benchmark | Grok 4.3 Beta | Qwen 3.6 Plus | Leads |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 149.2 | 147.7 | Grok 4.3 Beta |
| SWE-bench Verified | Not measured | 0.579 | Comparison unavailable — Grok 4.3 Beta has no published result |
| GPQA Diamond | 0.888 (high) | 0.884 | Grok 4.3 Beta |
| MATH Level 5 | Not measured | Not measured | Not measured on both |
| OTIS Mock AIME 2024-2025 | 0.933 (high) | 0.933 | Tied |
| FrontierMath | Not measured | 0.262 | Comparison unavailable — Grok 4.3 Beta has no published result |
| FrontierMath Tier 4 | Not measured | 0.083 | Comparison unavailable — Grok 4.3 Beta has no published result |
| SimpleQA Verified | 0.332 (high) | 0.441 | Qwen 3.6 Plus |
| Chess Puzzles | 0.250 (high) | 0.170 | Grok 4.3 Beta |
What remains uncertain
- Grok 4.3 Beta has no published result on FrontierMath, FrontierMath Tier 4, SWE-bench Verified.
- 1 tracked benchmark has no published result for either model.
A missing result means Xentir has not found one published by the source it cites, not that the model performs badly. See Data Sources.
Full profiles
Grok 4.3 Beta → · Qwen 3.6 Plus → · the full AI Model Rankings table