Model comparison
Grok 4.3 vs OLMo 2 Furious 13B
Grok 4.3 is the stronger model overall, scoring 43.6 to 29.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 18.0.
- OLMo 2 Furious 13B has downloadable open weights; the other is API-only.
Side by side
| Grok 4.3 | OLMo 2 Furious 13B | |
|---|---|---|
| Provider | xAI | Allen Institute for AI (Ai2) |
| Noometry Index | 43.6 | 29.2 |
| Released | 2026-04-17 | 2024-12-31 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 30K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 40 | 12 |
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Category by category
Coding Grok 4.3 leads
Grok 4.3: 41.3 (#117), OLMo 2 Furious 13B: 28.1 (#309)
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena WebDev | 1357 | — |
| SciCode | 47.3% | — |
| WeirdML | 49.9% | — |
| LiveBench Coding | — | 10.4% |
| LMArena Coding | 1415 | — |
| ALE-Bench | 944.17 | — |
Agentic & Tool Use Not comparable
Grok 4.3: 27.6 (#93), OLMo 2 Furious 13B: —
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| GDP.pdf | 8% | — |
| LMArena Search | 1165 | — |
| Vending-Bench 2 | 35.26 | — |
Reasoning Grok 4.3 leads
Grok 4.3: 34.9 (#60), OLMo 2 Furious 13B: 14.8 (#312)
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| NYT Connections (extended) | 55.2% | — |
| CritPt | 8% | — |
| Chess Puzzles | 25% | — |
| LiveBench Reasoning | — | 16.3% |
| LMArena Hard Prompts | 1397 | — |
| DTBench | 90.7% | — |
| LiveBench Data Analysis | — | 20.6% |
| LMCA | 38.3% | — |
| Epoch Capabilities Index | 149.13 | — |
| ForecastBench | 60.3 | — |
| LiveBench | — | 22.1% |
Math Grok 4.3 leads
Grok 4.3: 45.8 (#60), OLMo 2 Furious 13B: 21.3 (#270)
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 42.8% | — |
| FrontierMath Tier 4 | 14.6% | — |
| OTIS Mock AIME 2024-2025 | 93.3% | — |
| ProofBench | 11% | — |
| Omni-MATH | — | 15.6% |
| LiveBench Math | — | 13.6% |
| LMArena Math | 1388 | — |
Knowledge Grok 4.3 leads
Grok 4.3: 52.5 (#57), OLMo 2 Furious 13B: 18.0 (#278)
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| GPQA Diamond | 88.8% | — |
| SimpleQA Verified | 33.2% | — |
| MMLU-Pro | — | 31% |
| GPQA (HELM) | — | 31.6% |
| LMArena Expert | 1385 | — |
Multimodal Not comparable
Grok 4.3: 31.6 (#96), OLMo 2 Furious 13B: —
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Vision | 1231 | — |
| Blueprint-Bench 2 | 0% | — |
Multilingual Not comparable
Grok 4.3: 50.7 (#114), OLMo 2 Furious 13B: —
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Non-English | 1385 | — |
| LMArena Chinese | 1423 | — |
| LMArena French | 1412 | — |
| LMArena German | 1395 | — |
| LMArena Japanese | 1379 | — |
| LMArena Korean | 1357 | — |
| LMArena Russian | 1399 | — |
| LMArena Spanish | 1402 | — |
Instruction Following Grok 4.3 leads
Grok 4.3: 72.3 (#135), OLMo 2 Furious 13B: 61.1 (#243)
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| LiveBench Instruction Following | — | 60.6% |
| IFEval | — | 73% |
| LMArena Instruction Following | 1366 | — |
Long Context Not comparable
Grok 4.3: 42.5 (#118), OLMo 2 Furious 13B: —
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Longer Query | 1393 | — |
Writing & Preference Grok 4.3 leads
Grok 4.3: 58.6 (#112), OLMo 2 Furious 13B: 43.0 (#226)
| Benchmark | Grok 4.3 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Text | 1397 | — |
| LMArena Creative Writing | 1380 | — |
| WildBench | — | 68.9% |
| EQ-Bench 4 | 1075 | — |
| LMArena Multi-Turn | 1406 | — |
| LiveBench Language | — | 11.2% |
Frequently asked questions
Is Grok 4.3 better than OLMo 2 Furious 13B?
Grok 4.3 is the stronger model overall, scoring 43.6 to 29.2 on the Noometry Index.
Is Grok 4.3 or OLMo 2 Furious 13B better for coding?
Grok 4.3 scores higher on coding benchmarks: 41.3 versus 28.1 in the Noometry coding category.
How many benchmarks do Grok 4.3 and OLMo 2 Furious 13B share?
0 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and OLMo 2 Furious 13B has 12.