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Llama 2 13B Chat

Meta · 2023-07-18 · 13B parameters

Llama 2 13B Chat is Meta's 13-billion-parameter instruction-tuned and RLHF-aligned language model from the Llama 2 family, released in 2023 for safety-focused dialogue applications. It was fine-tuned from the Llama 2 13B base using supervised fine-tuning and iterative reinforcement learning from human feedback, with particular attention to helpfulness and safety. The Chat variants were the recommended entry points for conversational assistant deployments in the Llama 2 generation.

Benchmark scores

BenchmarkScore
AlpacaEval 2.0 (length-controlled win rate)8.4
AlpacaEval 2.0 (raw win rate)7.7
Artificial Analysis Intelligence Index3.0
BBH (Open LLM Leaderboard v2)33.4
BRIDGE Medical (chain-of-thought)16.2
BRIDGE Medical (few-shot)23.6
BRIDGE Medical (zero-shot)20.9
Capability95.4
Creative Writing v249.1
EQ-Bench v249.1
EQ-Bench v2 + MAGI-Hard Combined38.7
GPQA (Open LLM Leaderboard v2)23.2
GPQA Diamond32.1
Humanity's Last Exam (Text-Only)4.7
IFEval (Open LLM Leaderboard v2)39.8
LiveCodeBench (Artificial Analysis)9.8
MAGI-Hard28.2
MATH Level 5 (Open LLM Leaderboard v2)1.4
MATH-500 (Artificial Analysis source)32.9
MMLU Pro40.6
MMLU-Pro (Open LLM Leaderboard v2)19.2
MuSR (Open LLM Leaderboard v2)40.1
SciCode (Artificial Analysis)11.8
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