Best Open Source LLM Leaderboard 2026 | Open Source Model Rankings and Tier List | Onyx AI

Open Source LLM Leaderboard

The definitive ranking of every major open source model — compared across reasoning, coding, math, software engineering, and instruction following benchmarks.

Roshan Desai · Last updated: 2026-07-20

OverallCodingMathChatReasoning

SmallMediumLarge

Rank	Model	Params
S	Kimi K3	2.8T
	GLM-5.2	753B
	DeepSeek-V4-Pro	1.6T
	Kimi K2.6	1T
A	MiniMax M3	428B
	DeepSeek-V4-Flash	284B
	Hunyuan Hy3	295B
	Step-3.7-Flash	198B
	Qwen3.6-27B	27B
	Qwen3.6-35B-A3B	35B
	Nemotron 3 Ultra	550B
	GLM-4.7	355B
	MiMo-V2-Flash	309B
B	MiniMax M2.7	230B
	Gemma 4 31B	31B
	Mistral Medium 3.5	128B
	Command A+	218B
	Ling-2.6-1T	1T
	Nemotron 3 Super	120B
	MiMo-V2.5-Pro	1.02T
	Mistral Small 4	119B
	GPT-oss 120B	117B
	Nemotron Ultra 253B	253B
	Nemotron Super 49B	49B
	Step3	316B
C	Llama 4 Maverick	400B
	Gemma 3 27B	27B
	Nemotron Nano 30B	30B
D	See Why

Best Open Source Models by Task — Benchmark Rankings

Which open source LLM is best for coding, reasoning, or math? See how every model stacks up across key benchmarks — hover any bar for details.

OverallCodingMathChatReasoning

Best Overall (MMLU)

General knowledge across 57 subjects (MMLU)

Model	Score
DeepSeek R1	70%
GLM-4.7	77%
GPT-oss 120B	84%
MiMo-V2.5-Pro	91%
Qwen 3.5	95%
DeepSeek V3.2
MiMo-V2-Flash
Llama 4 Maverick
Command A+

Best Overall Knowledge

Advanced knowledge across subjects (MMLU-Pro)

Model	Score
GPT-oss 120B	60%
Qwen 3.5	69%
DeepSeek-V4-Pro	78%
Nemotron 3 Ultra	87%
DeepSeek-V4-Flash	95%
Qwen3.6-27B
Step-3.5-Flash
Gemma 4 31B
Qwen3.6-35B-A3B
DeepSeek V3.2
MiMo-V2-Flash
GLM-4.7
DeepSeek R1
Nemotron 3 Super
Llama 4 Maverick
Nemotron Super 49B
Nemotron Nano 30B
MiMo-V2.5-Pro
Gemma 3 27B

Open Source Model Benchmark Scores

Complete benchmark results for every open source LLM. Click any column header to sort and rank. Scores sourced from official tech reports.

Model	Params	Context	MMLU-Pro	GPQA Diamond	IFEval	Chatbot Arena	SWE-bench Verified	HumanEval	LiveCodeBench	AIME 2025	MATH-500	MMLU
Command A+ Cohere	218B	128K	N/A	76.1	N/A	N/A	N/A	N/A	N/A	N/A	N/A	75.1
DeepSeek R1 DeepSeek	671B	128K	84.0	71.5	83.3	1398	49.2	90.2	65.9	87.5	97.3	90.8
DeepSeek V3.2 DeepSeek	685B	130K	85.0	79.9	N/A	1423	67.8	N/A	74.1	89.3	N/A	88.5
DeepSeek-V4-Flash DeepSeek	284B	1M	86.2	88.1	N/A	N/A	79.0	N/A	91.6	N/A	N/A	N/A
DeepSeek-V4-Pro DeepSeek	1.6T	1M	87.5	90.1	N/A	N/A	80.6	N/A	93.5	N/A	N/A	N/A
Gemma 3 27B Google	27B	128K	67.5	42.4	N/A	1366	N/A	N/A	29.7	N/A	89.0	N/A
Gemma 4 31B Google	31B	262K	85.2	84.3	N/A	1451	N/A	N/A	80.0	N/A	N/A	N/A
GLM-4.7 Zhipu AI	355B	200K	84.3	85.7	88.0	1441	73.8	94.2	84.9	95.7	N/A	90.1
GLM-5.2 Zhipu AI	753B	1M	N/A	91.2	N/A	1468	N/A	N/A	N/A	N/A	N/A	N/A
GPT-oss 120B OpenAI	117B	128K	90.0	80.9	N/A	1355	62.4	88.3	60.0	97.9	N/A	90.0
Hunyuan Hy3 Tencent	295B	262K	N/A	90.4	N/A	1412	78.0	N/A	N/A	N/A	N/A	N/A
Kimi K2.6 Moonshot	1T	262K	N/A	90.5	N/A	N/A	80.2	N/A	89.6	N/A	N/A	N/A
Kimi K3 Moonshot	2.8T	1M	N/A	93.5	N/A	1486	N/A	N/A	N/A	N/A	N/A	N/A
Ling-2.6-1T Ant Group	1T	262K	N/A	76.2	N/A	N/A	72.2	N/A	65.6	N/A	N/A	N/A
Llama 4 Maverick Meta	400B	1M	80.5	69.8	N/A	1328	N/A	62.0	43.4	N/A	N/A	85.5
MiMo-V2-Flash Xiaomi	309B	262K	84.9	83.7	N/A	1393	73.4	84.8	80.6	94.1	N/A	86.7
MiMo-V2.5-Pro Xiaomi	1.02T	1M	68.5	66.7	N/A	N/A	N/A	N/A	39.6	N/A	N/A	89.4
MiniMax M2.7 MiniMax	230B	205K	N/A	N/A	N/A	1417	N/A	N/A	N/A	N/A	N/A	N/A
MiniMax M3 MiniMax	428B	1M	N/A	N/A	N/A	1445	80.5	N/A	N/A	N/A	N/A	N/A
Mistral Medium 3.5 Mistral	128B	256K	N/A	74.8	N/A	1427	77.6	N/A	N/A	N/A	N/A	N/A
Mistral Small 4 Mistral	119B	262K	N/A	71.2	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Nemotron 3 Super Nvidia	120B	1M	83.7	79.2	N/A	N/A	60.5	N/A	81.2	90.2	N/A	N/A
Nemotron 3 Ultra Nvidia	550B	1M	86.8	87.0	81.7	N/A	70.7	N/A	89.0	N/A	N/A	N/A
Nemotron Nano 30B Nvidia	30B	1M	78.1	78.1	N/A	1318	N/A	N/A	N/A	N/A	N/A	N/A
Nemotron Super 49B Nvidia	49B	128K	79.5	72.0	88.6	1342	N/A	N/A	73.6	82.7	97.4	N/A
Nemotron Ultra 253B Nvidia	253B	128K	N/A	76.0	89.5	1348	N/A	N/A	66.3	72.5	97.0	N/A
Qwen 3.5 Qwen	397B	262K	87.8	88.4	92.6	1450	76.4	N/A	83.6	N/A	N/A	88.5
Qwen3.6-27B Qwen	27B	262K	86.2	87.8	N/A	N/A	77.2	N/A	83.9	N/A	N/A	N/A
Qwen3.6-35B-A3B Qwen	35B	262K	85.2	86.0	N/A	N/A	73.4	N/A	80.4	N/A	N/A	N/A
Step-3.5-Flash Stepfun	196B	262K	85.8	N/A	N/A	1389	74.4	81.1	86.4	99.8	N/A	N/A
Step-3.7-Flash Stepfun	198B	262K	N/A	N/A	N/A	N/A	76.5	N/A	N/A	N/A	N/A	N/A
Step3 Stepfun	316B	66K	N/A	73.0	N/A	1348	N/A	N/A	67.1	82.9	N/A	N/A

Compare Open Source LLMs Head-to-Head

Select two open source models to see how they stack up across all benchmarks.

Model A

Gemma 4 31B

Model B

Mistral Small 4

Gemma 4 31B

Mistral Small 4

GPQA Diamond

84.3

71.2

Benchmarks won