Neura Intelligence Index
Category Comparison
Benchmark-by-Benchmark
reasoning
| Benchmark | GPT-5.4 | Grok 4 Fast |
|---|---|---|
| GPQA Diamond | 92.8 | 85.7 |
| Humanity's Last Exam | 39.8 | 20 |
| ARC-AGI v2 | 73.3 | — |
coding
| Benchmark | GPT-5.4 | Grok 4 Fast |
|---|---|---|
| SWE-Bench Pro | 57.7 | — |
multimodal
| Benchmark | GPT-5.4 | Grok 4 Fast |
|---|---|---|
| MMMU-Pro | 81.2 | — |
agent
| Benchmark | GPT-5.4 | Grok 4 Fast |
|---|---|---|
| BrowseComp | 82.7 | 44.9 |
| Toolathlon | 54.6 | — |
| MCP Atlas | 67.2 | — |
math
| Benchmark | GPT-5.4 | Grok 4 Fast |
|---|---|---|
| FrontierMath | 47.6 | — |
| AIME 2025 | — | 92 |
general
| Benchmark | GPT-5.4 | Grok 4 Fast |
|---|---|---|
| SimpleQA | — | 95 |
Category Winners
coding
46.4
math
X
Grok 4 Fast73.0
reasoning
81.8
general
X
Grok 4 Fast98.6
multimodal
83.1
agent
63.1