Model comparison
Llama 2-34B vs Llama 3.1-8B
Llama 3.1-8B has enough public results to be ranked (#347); Llama 2-34B does not yet, so treat this comparison as directional.
Last verified . 5 shared benchmarks.
MetaSummary
- They share 5 benchmarks with published results for both.
- Llama 3.1-8B has downloadable open weights; the other is API-only.
Side by side
| Llama 2-34B | Llama 3.1-8B | |
|---|---|---|
| Provider | Meta | Meta |
| Noometry Index | — | 22.8 |
| Released | 2023-07-18 | 2024-07-23 |
| Weights | Proprietary | Open |
| Context window | — | 128K |
| Max output | — | 4K |
| Input $ / M tokens | — | $0.05 |
| Output $ / M tokens | — | $0.08 |
| Results tracked | 10 | 43 |
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Category by category
Coding Not comparable
Llama 2-34B: —, Llama 3.1-8B: 19.9 (#335)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| SciCode | — | 13.2% |
| WeirdML | — | 1.7% |
| BigCodeBench Instruct | — | 32.8% |
| LMArena Coding | — | 1195 |
| BigCodeBench Complete | — | 40.5% |
| HumanEval+ | — | 62.8% |
| MBPP+ | — | 55.6% |
Agentic & Tool Use Not comparable
Llama 2-34B: —, Llama 3.1-8B: 22.3 (#123)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 25.8% |
| BALROG | — | 15.1% |
Reasoning Not comparable
Llama 2-34B: —, Llama 3.1-8B: 14.5 (#316)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| Epoch Capabilities Index | 104.81 | 116.48 |
| PIQA | 81.9% | 81.2% |
| CritPt | — | 0% |
| Chess Puzzles | — | 0% |
| LMArena Hard Prompts | — | 1175 |
| DTBench | — | 50.9% |
| LMCA | — | 5.4% |
| BIG-Bench Hard | 44.1% | — |
| WinoGrande | 76.7% | — |
Math Not comparable
Llama 2-34B: —, Llama 3.1-8B: 9.5 (#311)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| GSM8K | 42.2% | 82.4% |
| OTIS Mock AIME 2024-2025 | — | 1.7% |
| Omni-MATH | — | 13.7% |
| LMArena Math | — | 1179 |
| MATH Level 5 | — | 22.9% |
Knowledge Not comparable
Llama 2-34B: —, Llama 3.1-8B: 8.0 (#302)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| BoolQ | 83.7% | 82.8% |
| MMLU | 62.6% | 56.1% |
| GPQA Diamond | — | 27% |
| MMLU-Pro | — | 40.6% |
| GPQA (HELM) | — | 24.7% |
| LMArena Expert | — | 1144 |
| ARC (AI2) Challenge | 54.5% | — |
| OpenBookQA | 58.2% | — |
| TriviaQA | 84.6% | — |
Multilingual Not comparable
Llama 2-34B: —, Llama 3.1-8B: 34.2 (#244)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| LMArena Non-English | — | 1148 |
| LMArena Chinese | — | 1151 |
| LMArena French | — | 1176 |
| LMArena German | — | 1144 |
| LMArena Japanese | — | 1061 |
| LMArena Korean | — | 1053 |
| LMArena Russian | — | 1158 |
| LMArena Spanish | — | 1169 |
Instruction Following Not comparable
Llama 2-34B: —, Llama 3.1-8B: 59.1 (#253)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| IFEval | — | 74.3% |
| LMArena Instruction Following | — | 1159 |
Long Context Not comparable
Llama 2-34B: —, Llama 3.1-8B: 35.8 (#233)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| LMArena Longer Query | — | 1182 |
Writing & Preference Not comparable
Llama 2-34B: —, Llama 3.1-8B: 29.9 (#285)
| Benchmark | Llama 2-34B | Llama 3.1-8B |
|---|---|---|
| LMArena Text | — | 1187 |
| LMArena Creative Writing | — | 1154 |
| EQ-Bench Creative Writing | — | 713 |
| WildBench | — | 68.7% |
| LMArena Multi-Turn | — | 1172 |
Frequently asked questions
Is Llama 2-34B better than Llama 3.1-8B?
Llama 3.1-8B has enough public results to be ranked (#347); Llama 2-34B does not yet, so treat this comparison as directional.
How many benchmarks do Llama 2-34B and Llama 3.1-8B share?
5 benchmarks have published results for both models. Llama 2-34B has 10 scored results on Noometry and Llama 3.1-8B has 43.