Model comparison
Codellama 34b Instruct vs Grok 4 Fast
Grok 4 Fast is the stronger model overall, scoring 39.4 to 30.8 on the Noometry Index.
Last verified . 10 shared benchmarks.
MetaSummary
- They share 10 benchmarks with published results for both. Codellama 34b Instruct scores higher in 0 categories and Grok 4 Fast in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in long context, where Grok 4 Fast leads 63.2 to 30.9.
- Codellama 34b Instruct has downloadable open weights; the other is API-only.
Side by side
| Codellama 34b Instruct | Grok 4 Fast | |
|---|---|---|
| Provider | Meta | xAI |
| Noometry Index | 30.8 | 39.4 |
| Released | — | 2025-09-19 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 14 | 30 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Grok 4 Fast leads
Codellama 34b Instruct: 28.5 (#314), Grok 4 Fast: 32.5 (#271)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Coding | 1046 | 1429 |
| LMArena WebDev | — | 1159 |
| WeirdML | — | 42.9% |
| BigCodeBench Instruct | 29% | — |
| BigCodeBench Complete | 37.1% | — |
| HumanEval+ | 43.9% | — |
| MBPP+ | 56.3% | — |
Agentic & Tool Use Not comparable
Codellama 34b Instruct: —, Grok 4 Fast: 29.5 (#86)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| τ²-bench Banking | — | 15.7% |
| Cybench | — | 30% |
| LMArena Search | — | 1171 |
Reasoning Grok 4 Fast leads
Codellama 34b Instruct: 19.6 (#255), Grok 4 Fast: 22.2 (#201)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Hard Prompts | 1032 | 1412 |
| ARC-AGI-2 | — | 5.3% |
| Kagi LLM Benchmark | — | 66.1% |
| ARC-AGI-1 | — | 48.5% |
| DTBench | — | 82.7% |
| Epoch Capabilities Index | — | 144.2 |
| ForecastBench | — | 60.5 |
Math Grok 4 Fast leads
Codellama 34b Instruct: 31.0 (#230), Grok 4 Fast: 38.9 (#123)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Math | 1056 | 1419 |
Knowledge Not comparable
Codellama 34b Instruct: —, Grok 4 Fast: 32.0 (#214)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| Vectara Hallucination Rate | — | 19.7% |
| LMArena Expert | — | 1411 |
Multilingual Grok 4 Fast leads
Codellama 34b Instruct: 25.8 (#284), Grok 4 Fast: 51.3 (#111)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Non-English | 1011 | 1396 |
| LMArena Chinese | 976 | 1457 |
| LMArena French | — | 1431 |
| LMArena German | — | 1383 |
| LMArena Japanese | — | 1352 |
| LMArena Korean | — | 1357 |
| LMArena Russian | — | 1389 |
| LMArena Spanish | — | 1415 |
Instruction Following Grok 4 Fast leads
Codellama 34b Instruct: 52.2 (#291), Grok 4 Fast: 73.2 (#121)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Instruction Following | 1028 | 1387 |
Long Context Grok 4 Fast leads
Codellama 34b Instruct: 30.9 (#284), Grok 4 Fast: 63.2 (#3)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Longer Query | 1013 | 1415 |
| Fiction.LiveBench | — | 94.4% |
Writing & Preference Grok 4 Fast leads
Codellama 34b Instruct: 28.2 (#297), Grok 4 Fast: 60.0 (#102)
| Benchmark | Codellama 34b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Text | 1066 | 1407 |
| LMArena Creative Writing | 1032 | 1387 |
| LMArena Multi-Turn | 1015 | 1414 |
Frequently asked questions
Is Codellama 34b Instruct better than Grok 4 Fast?
Grok 4 Fast is the stronger model overall, scoring 39.4 to 30.8 on the Noometry Index.
Is Codellama 34b Instruct or Grok 4 Fast better for coding?
Grok 4 Fast scores higher on coding benchmarks: 32.5 versus 28.5 in the Noometry coding category.
How many benchmarks do Codellama 34b Instruct and Grok 4 Fast share?
10 benchmarks have published results for both models. Codellama 34b Instruct has 14 scored results on Noometry and Grok 4 Fast has 30.