Request a pilot
‹ PublicAI Index

The LLM benchmark aggregator.

Llama 3.1 405B Instruct

Meta · 405B

Strongest in Safe-prompt compliance (#41 of 82), weakest in Secure code (#238 of 273). Above par in 8 of 14 scopes. Among the models it meets almost everywhere, it finishes behind Claude Sonnet 4.5 and GPT-5 and ahead of NVIDIA Nemotron 3 Ultra 550B A55B and GPT OSS 20B.

§ 1 · Profile

What it is good at

Bars run from 50 — the average of the models each source lists — so right of the line is above par. The middle column is the gap to whoever leads that scope.

Professional48.5#111/187
Medical52.5#68/149
Finance43.6#129/161
Reasoning42.3#155/189
Reasoning37.7#128/143
Safety50.1#177/331
Safe-prompt compliance53.9#41/82
Jailbreak resistance58.9#60/271
Fairness49.4#120/296
Harm refusal50.6#144/296
Toxicity avoidance53.1#148/271
Secure code33.1#238/273
Human preference50.5#190/346
Human preference50.5#190/346

§ 2 · Head to head

What it beats, and what beats it

The same models turn up scope after scope. Counted once: where both were placed, who finished higher. Bars run right for Llama 3.1 405B Instruct, left for the other.

Command R Pluswon 13 · lost 0
Llama 3.1 70B Instructwon 11 · lost 1
Mixtral 8x7b Instructwon 10 · lost 1
GPT-3.5 Turbowon 10 · lost 1
Jamba 1.5 Miniwon 10 · lost 1
Jamba 1.5 Largewon 10 · lost 1
Jamba 1.6 Miniwon 9 · lost 1
Jamba 1.6 Largewon 9 · lost 1
DeepSeek LLM 67B Chatwon 8 · lost 1
DBRX Instructwon 8 · lost 1
Llama 4 Scout Instructwon 12 · lost 2
Llama 3.1 8B Instructwon 10 · lost 2
Llama 3.3 70B Instructwon 10 · lost 2
Mixtral 8x22b Instructwon 9 · lost 2
Gemma 2 9B Itwon 7 · lost 2
Gemini 1.5 Flashwon 9 · lost 3
Command Awon 9 · lost 3
Mistral Smallwon 9 · lost 3
Magistral Mediumwon 7 · lost 3
Llama 3 8B Instructwon 6 · lost 3
Mistral Largewon 8 · lost 4
Gemma 4 31Bwon 8 · lost 4
GPT-4o Miniwon 9 · lost 5
Gemini 1.5 Prowon 9 · lost 5
Ling 3.0 Flashwon 6 · lost 4
GPT-4.1 Nanowon 8 · lost 6
Gemini 2.0 Flashwon 8 · lost 6
Gemini 2.0 Flash Litewon 5 · lost 4
GPT OSS 20Bwon 7 · lost 6
DeepSeek V3.1won 6 · lost 6
Grok 4.3won 6 · lost 6
Grok 4.1 Fastwon 6 · lost 7
DeepSeek V4 Flashwon 6 · lost 7
Claude 3.5 Haikuwon 5 · lost 6
Claude 3 Haikuwon 4 · lost 5
Gemma 2 27B Itwon 4 · lost 5
DeepSeek V3won 6 · lost 8
Grok 4won 6 · lost 8
GLM-4.6won 5 · lost 7
Mimo V2.6 Flashwon 5 · lost 7
Kimi K2.6won 5 · lost 7
Mimo V2.5 Prowon 5 · lost 7
DeepSeek V3.2won 5 · lost 8
MiniMax M3won 5 · lost 8
Kimi K2.5won 5 · lost 8
Qwen3.7 Maxwon 5 · lost 8
GLM-5.2won 5 · lost 8
Gemini 3.6 Flashwon 5 · lost 8
Qwen2.5 72B Instructwon 4 · lost 7
GPT OSS 120Bwon 5 · lost 9
O3 Miniwon 5 · lost 9
Grok 3won 5 · lost 9
DeepSeek R1won 5 · lost 9
Claude 3 Sonnetwon 3 · lost 6
GLM-4.5won 4 · lost 8
Mistral Large 4won 4 · lost 9
DeepSeek V4 Prowon 4 · lost 9
Gemini 3.5 Flashwon 4 · lost 9
Qwen3.8 Maxwon 4 · lost 9
Gemini 2.5 Flash Litewon 3 · lost 7
GPT-4.1 Miniwon 4 · lost 10
Gemini 2.5 Flashwon 4 · lost 10
Claude Haiku 4.5won 4 · lost 10
Claude 3 Opuswon 3 · lost 8
GPT-4 Turbowon 3 · lost 10
GPT-6 Lunawon 3 · lost 10
GPT-6 Solwon 3 · lost 10
GLM-5.1won 3 · lost 10
GPT-5.4won 3 · lost 10
Qwen2 72B Instructwon 2 · lost 7
Llama 3 70B Instructwon 2 · lost 7
GPT-4owon 3 · lost 11
Claude 3.5 Sonnetwon 3 · lost 11
O4 Miniwon 3 · lost 11
GPT-4.1won 3 · lost 11
Kimi K2won 3 · lost 11
Kimi K2 Thinkingwon 2 · lost 9
MiniMax M2.7won 2 · lost 10
O1 Miniwon 2 · lost 11
GPT-5.6 Lunawon 2 · lost 11
Grok 4.5won 2 · lost 11
GPT-5.6 Terrawon 2 · lost 11
GLM-5.3 Flashwon 2 · lost 11
Mimo V2.6 Prowon 2 · lost 11
GPT-5.5won 2 · lost 11
GPT-5.6 Solwon 2 · lost 11
Gemini 3.8 Flashwon 2 · lost 11
GPT-5 Nanowon 2 · lost 12
Qwen3 235B A22B Instructwon 2 · lost 12
Gemini 2.5 Prowon 2 · lost 12
GPT-5.1won 2 · lost 12
MiniMax M2won 1 · lost 9
Grok 3 Miniwon 1 · lost 10
Claude Sonnet 4.6won 1 · lost 10
Gemini 3 Prowon 1 · lost 10
Muse Spark 1.1won 1 · lost 11
Inklingwon 1 · lost 12
Grok 4.6won 1 · lost 12
Claude Sonnet 5won 1 · lost 12
Claude Opus 5won 1 · lost 12
Claude 3.7 Sonnetwon 1 · lost 13
GPT-5 Miniwon 1 · lost 13
Claude Sonnet 4won 1 · lost 13
O3won 1 · lost 13
Claude Opus 4.6won 0 · lost 11
GPT-5.2won 0 · lost 13
Grok 4.7won 0 · lost 13
Claude Opus 4.8won 0 · lost 13
Claude Opus 4.7won 0 · lost 13
Claude Opus 5.5won 0 · lost 13
O1won 0 · lost 14
Claude Opus 4won 0 · lost 14
GPT-5won 0 · lost 14
Claude Sonnet 4.5won 0 · lost 14

§ 3 · Sources

Where the numbers come from

5 publications, 15 figures. Every one links to the page it was read from.

LMArena Text ↗1 measureread 2026-10-19
LMArena Text 1335
SimpleBench ↗1 measureread 2026-10-19
SimpleBench 23%
Vals.ai ↗2 measuresread 2026-10-19
Vals · TaxEval 60.88%Vals · MedQA 88.24%
HELM Safety ↗5 measuresread 2026-10-19
HELM Safety · HarmBench 62.7%HELM Safety · SimpleSafetyTests 98.8%HELM Safety · Anthropic Red Team 96.5%HELM Safety · BBQ 94.5%HELM Safety · XSTest 95.9%
Enkrypt AI Safety Leaderboard ↗6 measuresread 2026-10-19
Enkrypt · Jailbreak risk 5.3%Enkrypt · Harmful content risk 26.7%Enkrypt · CBRN risk 9.8%Enkrypt · Toxicity risk 4%Enkrypt · Bias risk 87.1%Enkrypt · Insecure code risk 67.6%

Badge

PublicAI Index badge for Llama 3.1 405B Instruct[![PublicAI Index](https://publicai.io/model-index/badge?model=llama-3-1-405b-instruct)](https://publicai.io/model-index/m/llama-3-1-405b-instruct)