Model comparison
Grok 4.7 vs Molmo 2 8b
Grok 4.7 is the stronger model overall, scoring 53.1 to 39.1 on the Noometry Index.
Last verified . 5 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 5 benchmarks with published results for both. Grok 4.7 scores higher in 5 categories and Molmo 2 8b in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.7 leads 49.1 to 25.6.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| Grok 4.7 | Molmo 2 8b | |
|---|---|---|
| Provider | xAI | Allen Institute for AI (Ai2) |
| Noometry Index | 53.1 | 39.1 |
| Released | 2026-09-21 | — |
| Weights | Proprietary | Open |
| Context window | 500K | — |
| Max output | 500K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $6 | — |
| Results tracked | 39 | 5 |
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Category by category
Coding Not comparable
Grok 4.7: 58.0 (#18), Molmo 2 8b: —
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| FrontierCode | 47.6% | — |
| CursorBench | 46.3% | — |
| LMArena WebDev | 1639 | — |
| FrontierSWE | 29.5% | — |
| SciCode | 57.8% | — |
| LMArena Coding | 1427 | — |
Agentic & Tool Use Not comparable
Grok 4.7: 36.7 (#37), Molmo 2 8b: —
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| APEX-Agents | 54.6% | — |
| GDP.pdf | 22.8% | — |
| Vending-Bench 2 | 10,537 | — |
Reasoning Grok 4.7 leads
Grok 4.7: 49.1 (#40), Molmo 2 8b: 25.6 (#146)
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1413 | 1287 |
| NYT Connections (extended) | 76.8% | — |
| CritPt | 18% | — |
| Chess Puzzles | 38% | — |
| Mystery Game Puzzles | 29% | — |
| DTBench | 96% | — |
| LMCA | 49.4% | — |
| Epoch Capabilities Index | 153.53 | — |
Math Not comparable
Grok 4.7: 57.8 (#39), Molmo 2 8b: —
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| FrontierMath (Tiers 1-3) | 53% | — |
| FrontierMath Tier 4 | 17.1% | — |
| OTIS Mock AIME 2024-2025 | 98.1% | — |
| ProofBench | 34% | — |
| LMArena Math | 1407 | — |
Knowledge Not comparable
Grok 4.7: 62.8 (#22), Molmo 2 8b: —
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| GPQA Diamond | 92.7% | — |
| SimpleQA Verified | 56% | — |
| LMArena Expert | 1422 | — |
Multimodal Grok 4.7 leads
Grok 4.7: 35.5 (#87), Molmo 2 8b: 30.2 (#112)
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| LMArena Vision | 1228 | 1081 |
| Blueprint-Bench 2 | 32.5% | — |
| Furniture Assembly | 20.8% | — |
Multilingual Grok 4.7 leads
Grok 4.7: 50.8 (#116), Molmo 2 8b: 42.7 (#190)
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1389 | 1276 |
| LMArena Chinese | 1455 | — |
| LMArena French | 1455 | — |
| LMArena Russian | 1397 | — |
| LMArena Spanish | 1400 | — |
Instruction Following Grok 4.7 leads
Grok 4.7: 74.1 (#105), Molmo 2 8b: 67.0 (#201)
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1404 | 1270 |
Long Context Not comparable
Grok 4.7: 43.1 (#104), Molmo 2 8b: —
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1413 | — |
Writing & Preference Grok 4.7 leads
Grok 4.7: 70.0 (#24), Molmo 2 8b: 49.4 (#191)
| Benchmark | Grok 4.7 | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1399 | 1288 |
| LMArena Creative Writing | 1391 | — |
| EQ-Bench Creative Writing | 2007 | — |
| LMArena Multi-Turn | 1393 | — |
Frequently asked questions
Is Grok 4.7 better than Molmo 2 8b?
Grok 4.7 is the stronger model overall, scoring 53.1 to 39.1 on the Noometry Index.
How many benchmarks do Grok 4.7 and Molmo 2 8b share?
5 benchmarks have published results for both models. Grok 4.7 has 39 scored results on Noometry and Molmo 2 8b has 5.