Model comparison
Grok 4.5 vs OLMo 2 Furious 13B
Grok 4.5 is the stronger model overall, scoring 55.0 to 29.7 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in knowledge, where Grok 4.5 leads 62.3 to 18.3.
- OLMo 2 Furious 13B has downloadable open weights; the other is API-only.
Side by side
| Grok 4.5 | OLMo 2 Furious 13B | |
|---|---|---|
| Provider | xAI | Allen Institute for AI (Ai2) |
| Noometry Index | 55.0 | 29.7 |
| Released | 2026-07-08 | 2024-12-31 |
| Weights | Proprietary | Open |
| Context window | 500K | — |
| Max output | 500K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $6 | — |
| Results tracked | 52 | 12 |
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Category by category
Coding Grok 4.5 leads
Grok 4.5: 52.2 (#35), OLMo 2 Furious 13B: 28.6 (#313)
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| DeepSWE | 53.8% | — |
| FrontierCode | 42.4% | — |
| LMArena WebDev | 1553 | — |
| SciCode | 54.1% | — |
| WeirdML | 46.4% | — |
| LiveBench Coding | — | 10.4% |
| LMArena Coding | 1474 | — |
| ALE-Bench | 1,309 | — |
Agentic & Tool Use Not comparable
Grok 4.5: 44.4 (#17), OLMo 2 Furious 13B: —
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| APEX-Agents | 56.2% | — |
| τ²-bench Banking | 47.9% | — |
| PostTrainBench | 23.4% | — |
| GBAEval | 65.4% | — |
| GDP.pdf | 14% | — |
| LMArena Search | 1213 | — |
| Vending-Bench 2 | 3,887 | — |
Reasoning Grok 4.5 leads
Grok 4.5: 56.1 (#25), OLMo 2 Furious 13B: 15.5 (#314)
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| ARC-AGI-2 | 52.6% | — |
| SimpleBench | 70% | — |
| Kagi LLM Benchmark | 83.5% | — |
| NYT Connections (extended) | 79.9% | — |
| ARC-AGI-1 | 87.2% | — |
| CritPt | 15.4% | — |
| Chess Puzzles | 36% | — |
| LiveBench Reasoning | — | 16.3% |
| LMArena Hard Prompts | 1462 | — |
| DTBench | 96.5% | — |
| LiveBench Data Analysis | — | 20.6% |
| LMCA | 45.2% | — |
| Surface Evolver Bench | 74.4% | — |
| Epoch Capabilities Index | 153.92 | — |
| LiveBench | — | 22.1% |
Math Grok 4.5 leads
Grok 4.5: 60.9 (#35), OLMo 2 Furious 13B: 23.1 (#273)
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 57.2% | — |
| FrontierMath Tier 4 | 24.4% | — |
| OTIS Mock AIME 2024-2025 | 97.8% | — |
| ProofBench | 31% | — |
| Omni-MATH | — | 15.6% |
| LiveBench Math | — | 13.6% |
| LMArena Math | 1459 | — |
Knowledge Grok 4.5 leads
Grok 4.5: 62.3 (#24), OLMo 2 Furious 13B: 18.3 (#283)
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| GPQA Diamond | 93.4% | — |
| SimpleQA Verified | 48.3% | — |
| MMLU-Pro | — | 31% |
| GPQA (HELM) | — | 31.6% |
| LMArena Expert | 1466 | — |
Multimodal Not comparable
Grok 4.5: 37.6 (#72), OLMo 2 Furious 13B: —
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Vision | 1288 | — |
| Blueprint-Bench 2 | 27.3% | — |
| Furniture Assembly | 22.5% | — |
| LMArena Document | 1452 | — |
Multilingual Not comparable
Grok 4.5: 54.4 (#42), OLMo 2 Furious 13B: —
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Non-English | 1440 | — |
| LMArena Chinese | 1496 | — |
| LMArena French | 1456 | — |
| LMArena German | 1446 | — |
| LMArena Japanese | 1428 | — |
| LMArena Korean | 1404 | — |
| LMArena Russian | 1448 | — |
| LMArena Spanish | 1450 | — |
Instruction Following Grok 4.5 leads
Grok 4.5: 76.0 (#48), OLMo 2 Furious 13B: 60.9 (#248)
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| LiveBench Instruction Following | — | 60.6% |
| IFEval | — | 73% |
| LMArena Instruction Following | 1446 | — |
Long Context Not comparable
Grok 4.5: 44.8 (#56), OLMo 2 Furious 13B: —
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Longer Query | 1463 | — |
Writing & Preference Grok 4.5 leads
Grok 4.5: 65.8 (#42), OLMo 2 Furious 13B: 42.9 (#230)
| Benchmark | Grok 4.5 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Text | 1448 | — |
| LMArena Creative Writing | 1442 | — |
| EQ-Bench Creative Writing | 1579 | — |
| WildBench | — | 68.9% |
| LMArena Multi-Turn | 1456 | — |
| LiveBench Language | — | 11.2% |
Frequently asked questions
Is Grok 4.5 better than OLMo 2 Furious 13B?
Grok 4.5 is the stronger model overall, scoring 55.0 to 29.7 on the Noometry Index.
Is Grok 4.5 or OLMo 2 Furious 13B better for coding?
Grok 4.5 scores higher on coding benchmarks: 52.2 versus 28.6 in the Noometry coding category.
How many benchmarks do Grok 4.5 and OLMo 2 Furious 13B share?
0 benchmarks have published results for both models. Grok 4.5 has 52 scored results on Noometry and OLMo 2 Furious 13B has 12.