Neura Intelligence Index
Category Comparison
Benchmark-by-Benchmark
reasoning
| Benchmark | Claude Sonnet 4 | GPT-5.1 Codex |
|---|---|---|
| BigBench-Hard | 90.8 | — |
| GPQA Diamond | 70.5 | — |
multimodal
| Benchmark | Claude Sonnet 4 | GPT-5.1 Codex |
|---|---|---|
| MMMU | 72.5 | — |
general
| Benchmark | Claude Sonnet 4 | GPT-5.1 Codex |
|---|---|---|
| MMLU-Pro | 80.2 | — |
| IFEval | 90.1 | — |
| Chatbot Arena Elo | 1310 | — |
coding
| Benchmark | Claude Sonnet 4 | GPT-5.1 Codex |
|---|---|---|
| HumanEval | 93.8 | — |
| SWE-bench Verified | 53.2 | 73.7 |
Category Winners
coding
69.3
math
66.8
reasoning
71.6
general
90.0
multimodal
63.7