Model comparison
Grok 4.5 vs Olmo 7b Instruct
Grok 4.5 is the stronger model overall, scoring 55.0 to 30.3 on the Noometry Index.
Last verified . 10 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 10 benchmarks with published results for both. Grok 4.5 scores higher in 6 categories and Olmo 7b Instruct in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.5 leads 65.8 to 25.8.
- Olmo 7b Instruct has downloadable open weights; the other is API-only.
Side by side
| Grok 4.5 | Olmo 7b Instruct | |
|---|---|---|
| Provider | xAI | Allen Institute for AI (Ai2) |
| Noometry Index | 55.0 | 30.3 |
| Released | 2026-07-08 | — |
| Weights | Proprietary | Open |
| Context window | 500K | — |
| Max output | 500K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $6 | — |
| Results tracked | 52 | 10 |
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Category by category
Coding Grok 4.5 leads
Grok 4.5: 52.2 (#35), Olmo 7b Instruct: 29.6 (#303)
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Coding | 1474 | 1016 |
| DeepSWE | 53.8% | — |
| FrontierCode | 42.4% | — |
| LMArena WebDev | 1553 | — |
| SciCode | 54.1% | — |
| WeirdML | 46.4% | — |
| ALE-Bench | 1,309 | — |
Agentic & Tool Use Not comparable
Grok 4.5: 44.4 (#17), Olmo 7b Instruct: —
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| 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 7b Instruct: 18.8 (#274)
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1462 | 993 |
| 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% | — |
| DTBench | 96.5% | — |
| LMCA | 45.2% | — |
| Surface Evolver Bench | 74.4% | — |
| Epoch Capabilities Index | 153.92 | — |
Math Grok 4.5 leads
Grok 4.5: 60.9 (#35), Olmo 7b Instruct: 30.2 (#237)
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Math | 1459 | 1018 |
| FrontierMath (Tiers 1-3) | 57.2% | — |
| FrontierMath Tier 4 | 24.4% | — |
| OTIS Mock AIME 2024-2025 | 97.8% | — |
| ProofBench | 31% | — |
Knowledge Not comparable
Grok 4.5: 62.3 (#24), Olmo 7b Instruct: —
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| GPQA Diamond | 93.4% | — |
| SimpleQA Verified | 48.3% | — |
| LMArena Expert | 1466 | — |
Multimodal Not comparable
Grok 4.5: 37.6 (#72), Olmo 7b Instruct: —
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Vision | 1288 | — |
| Blueprint-Bench 2 | 27.3% | — |
| Furniture Assembly | 22.5% | — |
| LMArena Document | 1452 | — |
Multilingual Grok 4.5 leads
Grok 4.5: 54.4 (#42), Olmo 7b Instruct: 24.0 (#291)
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Non-English | 1440 | 977 |
| LMArena Chinese | 1496 | 1014 |
| LMArena Russian | 1448 | 947 |
| LMArena French | 1456 | — |
| LMArena German | 1446 | — |
| LMArena Japanese | 1428 | — |
| LMArena Korean | 1404 | — |
| LMArena Spanish | 1450 | — |
Instruction Following Grok 4.5 leads
Grok 4.5: 76.0 (#48), Olmo 7b Instruct: 49.0 (#301)
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Instruction Following | 1446 | 978 |
Long Context Not comparable
Grok 4.5: 44.8 (#56), Olmo 7b Instruct: —
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Longer Query | 1463 | — |
Writing & Preference Grok 4.5 leads
Grok 4.5: 65.8 (#42), Olmo 7b Instruct: 25.8 (#303)
| Benchmark | Grok 4.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Text | 1448 | 1032 |
| LMArena Creative Writing | 1442 | 990 |
| LMArena Multi-Turn | 1456 | 1007 |
| EQ-Bench Creative Writing | 1579 | — |
Frequently asked questions
Is Grok 4.5 better than Olmo 7b Instruct?
Grok 4.5 is the stronger model overall, scoring 55.0 to 30.3 on the Noometry Index.
Is Grok 4.5 or Olmo 7b Instruct better for coding?
Grok 4.5 scores higher on coding benchmarks: 52.2 versus 29.6 in the Noometry coding category.
How many benchmarks do Grok 4.5 and Olmo 7b Instruct share?
10 benchmarks have published results for both models. Grok 4.5 has 52 scored results on Noometry and Olmo 7b Instruct has 10.