Model comparison
GPT-5.4 Pro vs Grok 3
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 39.6 on the Noometry Index.
Last verified . 9 shared benchmarks.
Summary
- They share 9 benchmarks with published results for both. GPT-5.4 Pro scores higher in 4 categories and Grok 3 in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 13.8.
- The biggest single-benchmark swing is ARC-AGI-1: 94.5% for GPT-5.4 Pro and 5.5% for Grok 3.
Side by side
| GPT-5.4 Pro | Grok 3 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 58.8 | 39.6 |
| Released | 2026-03-05 | 2025-04-09 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $30 | — |
| Output $ / M tokens | $180 | — |
| Results tracked | 16 | 40 |
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Category by category
Coding GPT-5.4 Pro leads
GPT-5.4 Pro: 42.6 (#89), Grok 3: 41.5 (#113)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| WeirdML | 57.4% | 37.2% |
| Aider Polyglot | — | 53.3% |
| LMArena Coding | — | 1432 |
Agentic & Tool Use Not comparable
GPT-5.4 Pro: —, Grok 3: 30.2 (#69)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| BALROG | — | 29.5% |
Reasoning GPT-5.4 Pro leads
GPT-5.4 Pro: 71.0 (#10), Grok 3: 13.8 (#322)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| ARC-AGI-2 | 83.3% | 0% |
| SimpleBench | 74.1% | 36.1% |
| ARC-AGI-1 | 94.5% | 5.5% |
| Epoch Capabilities Index | 159.12 | 138.34 |
| Kagi LLM Benchmark | — | 61.3% |
| CritPt | 30% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| LMArena Hard Prompts | — | 1433 |
Math GPT-5.4 Pro leads
GPT-5.4 Pro: 72.0 (#17), Grok 3: 36.2 (#122)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| FrontierMath (Feb 2025 set) | 50% | 3.8% |
| FrontierMath Tier 4 (v1) | 37.5% | 0% |
| FrontierMath (Tiers 1-3) | 82.5% | — |
| FrontierMath Tier 4 | 58.5% | — |
| OTIS Mock AIME 2024-2025 | — | 55.6% |
| Omni-MATH | — | 46.4% |
| LMArena Math | — | 1390 |
| MATH Level 5 | — | 88.7% |
Knowledge GPT-5.4 Pro leads
GPT-5.4 Pro: 68.3 (#6), Grok 3: 46.0 (#76)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| GPQA Diamond | 94.6% | 75.8% |
| Vectara Hallucination Rate | 8.3% | 5.8% |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |
| MMLU-Pro | — | 78.8% |
| Confabulations | — | 14.2% |
| GPQA (HELM) | — | 65% |
| LMArena Expert | — | 1420 |
Multilingual Not comparable
GPT-5.4 Pro: —, Grok 3: 52.5 (#81)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| LMArena Non-English | — | 1411 |
| LMArena Chinese | — | 1448 |
| LMArena French | — | 1460 |
| LMArena German | — | 1431 |
| LMArena Japanese | — | 1389 |
| LMArena Korean | — | 1374 |
| LMArena Russian | — | 1416 |
| LMArena Spanish | — | 1417 |
Instruction Following Not comparable
GPT-5.4 Pro: —, Grok 3: 75.2 (#69)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| IFEval | — | 88.4% |
| LMArena Instruction Following | — | 1409 |
Long Context Not comparable
GPT-5.4 Pro: —, Grok 3: 38.7 (#187)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| Fiction.LiveBench | — | 58.3% |
| LMArena Longer Query | — | 1439 |
Writing & Preference Not comparable
GPT-5.4 Pro: —, Grok 3: 56.0 (#136)
| Benchmark | GPT-5.4 Pro | Grok 3 |
|---|---|---|
| LMArena Text | — | 1426 |
| LMArena Creative Writing | — | 1414 |
| Short-Story Creative Writing | — | 76.4% |
| EQ-Bench Creative Writing | — | 1186 |
| WildBench | — | 84.9% |
| LMArena Multi-Turn | — | 1424 |
Frequently asked questions
Is GPT-5.4 Pro better than Grok 3?
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 39.6 on the Noometry Index.
Is GPT-5.4 Pro or Grok 3 better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 41.5 in the Noometry coding category.
How many benchmarks do GPT-5.4 Pro and Grok 3 share?
9 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Grok 3 has 40.