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Qwen3.5 27B

Alibaba · 28B · open weights

Strongest in Secure code (#27 of 274), weakest in Jailbreak resistance (#187 of 272). Above par in 7 of 9 scopes. Among the models it meets almost everywhere, it finishes behind GPT-5.2 and Claude Opus 5.5 and ahead of GPT-5.6 Sol and GPT-6 Sol.

§ 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.

Safety53.4#89/337
Secure code63.5#27/274
Fairness61.1#36/300
Factual grounding44.6#79/101
Toxicity avoidance53.9#134/272
Harm refusal51.2#138/300
Jailbreak resistance48.6#187/272
Human preference57.9#116/342
Human preference57.9#116/342

§ 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 Qwen3.5 27B, left for the other.

OLMoE 1B-7B Instructwon 6 · lost 0
OLMo 7B Instruct Hfwon 6 · lost 0
RakutenAI 7B Chatwon 6 · lost 0
SmolLM 1.7B Instructwon 6 · lost 0
PowerMoE 3Bwon 6 · lost 0
Phi 2won 6 · lost 0
Qwen2.5 7B Instructwon 6 · lost 0
PowerLM 3Bwon 6 · lost 0
Laguna Xs 2.1won 6 · lost 0
RakutenAI 7B Instructwon 6 · lost 0
GLM-4 9B Chatwon 6 · lost 0
SmolLM2 360M Instructwon 6 · lost 0
Qwen2.5 0.5B Instructwon 6 · lost 0
Qwen2 7B Instructwon 6 · lost 0
Grok Build 0.1won 6 · lost 0
LFM2 700Mwon 6 · lost 0
Qwen2.5 3B Instructwon 6 · lost 0
DeepSeek V3p1won 6 · lost 0
Qwen2.5 7B Instruct 1Mwon 6 · lost 0
Fuguwon 6 · lost 0
GPT-5.6 Astrawon 6 · lost 0
Jamba Mini 1.7won 7 · lost 0
Smollm2 1.7B Instructwon 8 · lost 0
Zephyr 7B Betawon 8 · lost 0
Gemma 7B Itwon 8 · lost 0
DeepSeek LLM 67B Chatwon 8 · lost 0
Qwen1.5 14B Chatwon 8 · lost 0
Llama 3.1 8B Instructwon 8 · lost 0
Magistral Mediumwon 8 · lost 0
DeepSeek V3won 8 · lost 1
Starling Lm 7B Betawon 7 · lost 1
DBRX Instructwon 7 · lost 1
Gemma 2 2B Itwon 7 · lost 1
GPT-3.5 Turbowon 7 · lost 1
Jamba 1.5 Miniwon 7 · lost 1
Jamba 1.5 Largewon 7 · lost 1
GPT OSS 20Bwon 7 · lost 1
Qwen3 30B A3B Instructwon 7 · lost 1
Jamba Large 1.7won 6 · lost 1
Phi-4 Mini Instructwon 6 · lost 1
H2o Danube3 500M Chatwon 5 · lost 1
LFM2 350Mwon 5 · lost 1
Magistral Smallwon 5 · lost 1
Aya 23 8Bwon 5 · lost 1
Laguna S 2.1won 5 · lost 1
H2o Danube3 4B Chatwon 5 · lost 1
Ling 3.0 Flash VLwon 5 · lost 1
Jamba 1.6 Miniwon 5 · lost 1
Command R7Bwon 5 · lost 1
SmolLM 360M Instructwon 5 · lost 1
NexusRaven V2 13Bwon 5 · lost 1
Ling 3.0 Flashwon 5 · lost 1
Open Mixtral 8x7bwon 5 · lost 1
LFM2 1.2Bwon 5 · lost 1
Aya 23 35Bwon 5 · lost 1
Gemma 4 E2Bwon 5 · lost 1
Jamba 1.6 Largewon 5 · lost 1
Gemma 4 E4Bwon 5 · lost 1
Jamba Instructwon 5 · lost 1
Sarvam 1won 5 · lost 1
SeaLLMs V3 7B Chatwon 5 · lost 1
DeepSeek Reasonerwon 5 · lost 1
Qwen2.5 1.5B Instructwon 5 · lost 1
Kimi K2.7 Codewon 5 · lost 1
Gemma 4 12Bwon 5 · lost 1
Hunyuan A13B Instructwon 5 · lost 1
DeepSeek Chatwon 5 · lost 1
GLM-5 Turbowon 5 · lost 1
GPT OSS Safeguard 20Bwon 5 · lost 1
GLM-4.5 Airwon 5 · lost 1
Command R Pluswon 7 · lost 2
Gemma 3 4B Itwon 7 · lost 2
Command Awon 7 · lost 2
Mistral Smallwon 7 · lost 2
Grok 4.1 Fastwon 7 · lost 2
Gemma 2B Itwon 6 · lost 2
Phi 3 Mini 4k Instructwon 6 · lost 2
Llama 3.2 3B Instructwon 6 · lost 2
Llama 3 8B Instructwon 6 · lost 2
Gemma 2 9B Itwon 6 · lost 2
Gemini 1.5 Flashwon 6 · lost 2
GPT-4.1 Nanowon 6 · lost 2
QwQ 32Bwon 6 · lost 2
Gemini 1.5 Prowon 6 · lost 2
Gemini 2.0 Flash Litewon 6 · lost 2
Gemini 2.0 Flashwon 6 · lost 2
GPT-4.1 Miniwon 6 · lost 2
GLM-4.5won 6 · lost 2
Grok 4won 6 · lost 2
DeepSeek V4 Flashwon 6 · lost 2
Grok 4.3won 6 · lost 2
Qwen3.7 Maxwon 6 · lost 2
Gemini 3.6 Flashwon 6 · lost 2
Qwen3 8Bwon 5 · lost 2
OLMo 2 7B Instructwon 4 · lost 2
SEA LION V1 7B ITwon 4 · lost 2
Open Codestral Mambawon 4 · lost 2
Yi 1.5 9B Chatwon 4 · lost 2
WizardLM 2.8x22Bwon 4 · lost 2
Open Mixtral 8x22bwon 4 · lost 2
Apertus 8B Instructwon 4 · lost 2
Qwen2.5 32B Instructwon 4 · lost 2
LongWriter Glm4 9Bwon 4 · lost 2
Qwen2 VL 72Bwon 4 · lost 2
Kimi K2 Thinkingwon 4 · lost 2
SeaLLM 7B V2won 4 · lost 2
K2 Chatwon 4 · lost 2
Krutrim 2 Instructwon 4 · lost 2
EAI SageAlign 8B LoRAwon 4 · lost 2
Gemini 2.5 Flash Litewon 4 · lost 2
Gemini 3 Prowon 4 · lost 2
Nova Prowon 6 · lost 3
Mistral Largewon 6 · lost 3
Llama 4 Scout Instructwon 6 · lost 3
Gemma 3 12B Itwon 6 · lost 3
Gemma 3 27B Itwon 6 · lost 3
O4 Miniwon 6 · lost 3
Gemini 2.5 Flashwon 6 · lost 3
Grok 3won 6 · lost 3
Kimi K2won 6 · lost 3
GLM-4.6won 6 · lost 3
DeepSeek V3.2won 6 · lost 3
Gemini 2.5 Prowon 6 · lost 3
Gemma 4 31Bwon 6 · lost 3
Kimi K2.6won 6 · lost 3
Llama 3.2 1B Instructwon 5 · lost 3
Llama 3.1 Tulu 3 8Bwon 5 · lost 3
Claude 3 Haikuwon 5 · lost 3
GPT-4won 5 · lost 3
Llama 3 70B Instructwon 5 · lost 3
GPT-4o Miniwon 5 · lost 3
Qwen Maxwon 5 · lost 3
O3 Miniwon 5 · lost 3
MiniMax M3won 5 · lost 3
Mimo V2.6 Flashwon 5 · lost 3
Mimo V2.5 Prowon 5 · lost 3
GLM-5.2won 5 · lost 3
Gemini 3.5 Flashwon 5 · lost 3
Gemini 3.8 Flashwon 5 · lost 3
Claude Opus 4.6won 4 · lost 3
Nova Litewon 5 · lost 4
GPT OSS 120Bwon 5 · lost 4
Qwen3.5 35B A3Bwon 5 · lost 4
DeepSeek R1won 5 · lost 4
Gemma 4 26B A4Bwon 5 · lost 4
Kimi K2.5won 5 · lost 4
GPT-6 Solwon 5 · lost 4
GPT-5.6 Solwon 5 · lost 4
Komodo 7B Basewon 3 · lost 3
IBM Granite 4.0 Microwon 3 · lost 3
Sarvam 30Bwon 3 · lost 3
Qwen2.5 14B Instructwon 3 · lost 3
Llama 3 70B Chat HFwon 3 · lost 3
Apertus 70B Instructwon 3 · lost 3
Granite 4.0 H Microwon 3 · lost 3
Granite 4.0 H Tinywon 3 · lost 3
Phi 3.5 Mini Instructwon 3 · lost 3
Internlm2 Chat 20Bwon 3 · lost 3
Fugu Ultra V2won 3 · lost 3
Qwen2 72B Instructwon 4 · lost 4
Claude 3 Sonnetwon 4 · lost 4
Qwen2.5 72B Instructwon 4 · lost 4
GPT-4 Turbowon 4 · lost 4
O1 Miniwon 4 · lost 4
Claude 3.7 Sonnetwon 4 · lost 4
O1won 4 · lost 4
GLM-5.1won 4 · lost 4
GLM-5.3 Flashwon 4 · lost 4
Mimo V2.6 Prowon 4 · lost 4
C4ai Aya Expanse 8Bwon 4 · lost 5
Nova Microwon 4 · lost 5
Phi 4won 4 · lost 5
C4ai Aya Expanse 32Bwon 4 · lost 5
GPT-4owon 4 · lost 5
GPT-5 Miniwon 4 · lost 5
DeepSeek V4 Prowon 4 · lost 5
Claude Sonnet 4.6won 3 · lost 4
Gemma 2 27B Itwon 3 · lost 5
Claude 3 Opuswon 3 · lost 5
Claude 3.5 Haikuwon 3 · lost 5
MiniMax M2won 3 · lost 5
Claude 3.5 Sonnetwon 3 · lost 5
O3won 3 · lost 5
GPT-6 Lunawon 3 · lost 5
GPT-5.6 Lunawon 3 · lost 5
Qwen3.8 Maxwon 3 · lost 5
Phi 3.5 MoE Instructwon 2 · lost 4
Llama 3 8B Chat Hfwon 2 · lost 4
Llama 3.2 Vision (11B)won 2 · lost 4
Titan Text Express V1won 2 · lost 4
Llama 2 70B Chat Hfwon 2 · lost 4
Llama 2 13B Chat Hfwon 2 · lost 4
Llama 3 8B Instruct RRwon 2 · lost 4
Llama 2 7B Chat Hfwon 2 · lost 4
Sarvam 105Bwon 2 · lost 4
Meta SecAlign 8Bwon 2 · lost 4
GPT-5 Nanowon 3 · lost 6
Claude Sonnet 4won 3 · lost 6
GPT-4.1won 3 · lost 6
Qwen3.5 122B A10Bwon 3 · lost 6
Granite 4.0 H Smallwon 2 · lost 5
Grok 4.5won 2 · lost 6
GPT-5.6 Terrawon 2 · lost 6
Muse Spark 1.1won 2 · lost 6
Claude Haiku 4.5won 2 · lost 7
GPT-5.1won 2 · lost 7
GPT-5.5won 2 · lost 7
Claude Opus 4.7won 2 · lost 7
Nova Premierwon 1 · lost 5
Cogito 671B V2 P1won 1 · lost 5
Apriel 1.5 15B Thinkerwon 1 · lost 5
Inklingwon 1 · lost 7
Hy3won 1 · lost 7
Claude Sonnet 5won 1 · lost 7
Claude Opus 4.8won 1 · lost 7
Claude Opus 4won 1 · lost 8
GPT-5won 1 · lost 8
Claude Sonnet 4.5won 1 · lost 8
GPT-5.4won 1 · lost 8
MiniMax M2.7won 0 · lost 8
Grok 4.7won 0 · lost 8
Qwen3.5 397B A17Bwon 0 · lost 8
Grok 4.6won 0 · lost 8
Claude Opus 5won 0 · lost 8
Claude Opus 5.5won 0 · lost 8
GPT-5.2won 0 · lost 9

§ 3 · Sources

Where the numbers come from

3 publications, 8 figures. Every one links to the page it was read from.

LMArena Text ↗1 measureread 2026-09-26
LMArena Text 1409
Enkrypt AI Safety Leaderboard ↗6 measuresread 2026-09-26
Enkrypt · Jailbreak risk 14%Enkrypt · Harmful content risk 1.1%Enkrypt · CBRN risk 28.8%Enkrypt · Toxicity risk 3.6%Enkrypt · Bias risk 60.5%Enkrypt · Insecure code risk 6.2%
Vectara · Factual consistency 87.9%

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