Model comparison
Codellama 70b Instruct vs Grok 4 Fast
Grok 4 Fast is the stronger model overall, scoring 39.4 to 33.7 on the Noometry Index.
Last verified . 4 shared benchmarks.
MetaSummary
- They share 4 benchmarks with published results for both. Codellama 70b Instruct scores higher in 1 category and Grok 4 Fast in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4 Fast leads 60.0 to 33.4.
- Codellama 70b Instruct has downloadable open weights; the other is API-only.
Side by side
| Codellama 70b Instruct | Grok 4 Fast | |
|---|---|---|
| Provider | Meta | xAI |
| Noometry Index | 33.7 | 39.4 |
| Released | — | 2025-09-19 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 7 | 30 |
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Category by category
Coding Codellama 70b Instruct leads
Codellama 70b Instruct: 37.6 (#193), Grok 4 Fast: 32.5 (#271)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena WebDev | — | 1159 |
| WeirdML | — | 42.9% |
| BigCodeBench Instruct | 40.7% | — |
| LMArena Coding | — | 1429 |
| BigCodeBench Complete | 49.6% | — |
| HumanEval+ | 65.9% | — |
Agentic & Tool Use Not comparable
Codellama 70b Instruct: —, Grok 4 Fast: 29.5 (#86)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| τ²-bench Banking | — | 15.7% |
| Cybench | — | 30% |
| LMArena Search | — | 1171 |
Reasoning Grok 4 Fast leads
Codellama 70b Instruct: 20.1 (#242), Grok 4 Fast: 22.2 (#201)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Hard Prompts | 1052 | 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 Not comparable
Codellama 70b Instruct: —, Grok 4 Fast: 38.9 (#123)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Math | — | 1419 |
Knowledge Not comparable
Codellama 70b Instruct: —, Grok 4 Fast: 32.0 (#214)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| Vectara Hallucination Rate | — | 19.7% |
| LMArena Expert | — | 1411 |
Multilingual Grok 4 Fast leads
Codellama 70b Instruct: 24.8 (#288), Grok 4 Fast: 51.3 (#111)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Non-English | 992 | 1396 |
| LMArena Chinese | — | 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 70b Instruct: 51.9 (#293), Grok 4 Fast: 73.2 (#121)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Instruction Following | 1024 | 1387 |
Long Context Not comparable
Codellama 70b Instruct: —, Grok 4 Fast: 63.2 (#3)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| Fiction.LiveBench | — | 94.4% |
| LMArena Longer Query | — | 1415 |
Writing & Preference Grok 4 Fast leads
Codellama 70b Instruct: 33.4 (#277), Grok 4 Fast: 60.0 (#102)
| Benchmark | Codellama 70b Instruct | Grok 4 Fast |
|---|---|---|
| LMArena Text | 1057 | 1407 |
| LMArena Creative Writing | — | 1387 |
| LMArena Multi-Turn | — | 1414 |
Frequently asked questions
Is Codellama 70b Instruct better than Grok 4 Fast?
Grok 4 Fast is the stronger model overall, scoring 39.4 to 33.7 on the Noometry Index.
Is Codellama 70b Instruct or Grok 4 Fast better for coding?
Codellama 70b Instruct scores higher on coding benchmarks: 37.6 versus 32.5 in the Noometry coding category.
How many benchmarks do Codellama 70b Instruct and Grok 4 Fast share?
4 benchmarks have published results for both models. Codellama 70b Instruct has 7 scored results on Noometry and Grok 4 Fast has 30.