Key Specifications
| Vendor | meta |
| Version | 2-7b |
| Release Date | 2023-07-18 |
| Context Window | 4096 tokens |
| Input Modalities | text |
| Output Modalities | text |
| License | Llama 2 Community License |
| Documentation | https://llama.meta.com/docs/ |
Benchmark Performance
| Benchmark |
Score |
Unit |
Evaluated At |
Notes |
Source |
| MMLU |
70.8 |
% |
2023-07-18 |
5-shot |
view |
| HUMANEVAL |
42.6 |
pass@1 |
2023-07-18 |
— |
view |
| GSM8K |
31 |
% |
2023-07-18 |
0-shot CoT |
view |
| MATH |
19.4 |
% |
2023-07-18 |
0-shot CoT |
view |
| BBH |
54.7 |
% |
2023-07-18 |
3-shot CoT |
view |
| GPQA |
23.1 |
% |
2023-07-18 |
0-shot |
view |
| IFEVAL |
58.5 |
% |
2023-07-18 |
prompt_strict |
view |
| ARC |
86.5 |
% |
2023-07-18 |
challenge |
view |
| MUSR |
35.3 |
% |
2023-07-18 |
0-shot |
view |
| WINOGRANDE |
77.2 |
% |
2023-07-18 |
0-shot |
view |
Pricing
| Tier |
Price |
Currency |
| Input | $0.2 / Mtok | USD |
| Output | $0.2 / Mtok | USD |
| Cache Read | $0 / Mtok | USD |
| Cache Write | $0 / Mtok | USD |
Source:
https://ai.meta.com/blog/
· as of 2023-07-18
Compliance
- Data Residency: self-host
- SOC2: ✗
- HIPAA: ✗
- GDPR: ✗
- ISO 27001: ✗
Llama 2 7B
Model Overview
Meta Llama 2 7B 经济型开源模型, 4K 上下文, 7B 参数, 广泛用于本地部署与微调基座。
Core Specifications
| Vendor |
Version |
Release Date |
Context Window |
Input Modalities |
Output Modalities |
License |
| Meta |
2-7b |
2023-07-18 |
4K |
text |
text |
Llama 2 Community License |
| Benchmark |
Score |
Unit |
Notes |
| MMLU (Massive Multitask Language Understanding) |
70.8 |
% |
5-shot |
| HumanEval |
42.6 |
pass@1 |
— |
| GSM8K (Grade School Math 8K) |
31.0 |
% |
0-shot CoT |
| MATH |
19.4 |
% |
0-shot CoT |
| BBH (BIG-Bench Hard) |
54.7 |
% |
3-shot CoT |
| GPQA |
23.1 |
% |
0-shot |
| IFEval |
58.5 |
% |
prompt_strict |
| ARC |
86.5 |
% |
challenge |
| MUSR |
35.3 |
% |
0-shot |
| WinoGrande |
77.2 |
% |
0-shot |
Pricing
| Input |
Output |
Cache Read |
Cache Write |
| — |
— |
— |
— |
per million tokens
Strengths
- Reliable general-purpose model.
Weaknesses
- HumanEval 42.6, coding weak.
- Proprietary, not self-hostable.
- Context window 4K is limited.
Use Cases
References