Model comparison

ERNIE 5.1 vs Mistral Small 3.1

ERNIE 5.1 is the stronger model overall, scoring 43.8 to 31.7 on the Noometry Index.

Last verified . 17 shared benchmarks.

ERNIE 5.1 Baidu

43.8

Rank #83 Confirmed

Mistral Small 3.1 Mistral AI

31.7

Rank #269 Confirmed

Summary

  • They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 8 categories and Mistral Small 3.1 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where ERNIE 5.1 leads 65.1 to 37.0.
  • Mistral Small 3.1 has downloadable open weights; the other is API-only.

Side by side

ERNIE 5.1 and Mistral Small 3.1 specifications
ERNIE 5.1Mistral Small 3.1
ProviderBaiduMistral AI
Noometry Index43.831.7
Released—2025-03-17
WeightsProprietaryOpen
Context window—128K
Max output—102K
Input $ / M tokens—$0.35
Output $ / M tokens—$0.56
Results tracked1928

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding ERNIE 5.1 leads

ERNIE 5.1: 44.0 (#76), Mistral Small 3.1: 38.3 (#179)

Coding benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Coding14881309

Agentic & Tool Use Not comparable

ERNIE 5.1: —, Mistral Small 3.1: —

Agentic & Tool Use benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Search1227—

Reasoning ERNIE 5.1 leads

ERNIE 5.1: 21.9 (#211), Mistral Small 3.1: 19.7 (#254)

Reasoning benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Hard Prompts14811278
NYT Connections (extended)23.4%—
Chess Puzzles—1%
Epoch Capabilities Index—127.48

Math ERNIE 5.1 leads

ERNIE 5.1: 40.3 (#92), Mistral Small 3.1: 14.7 (#301)

Math benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Math14811262
OTIS Mock AIME 2024-2025—3.9%
Omni-MATH—24.8%

Knowledge ERNIE 5.1 leads

ERNIE 5.1: 41.9 (#102), Mistral Small 3.1: 22.6 (#271)

Knowledge benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Expert14921257
GPQA Diamond—41.9%
MMLU-Pro—61%
GPQA (HELM)—39.2%

Multimodal Not comparable

ERNIE 5.1: —, Mistral Small 3.1: 33.2 (#99)

Multimodal benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Vision—1136

Multilingual ERNIE 5.1 leads

ERNIE 5.1: 55.5 (#29), Mistral Small 3.1: 41.2 (#209)

Multilingual benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Non-English14541255
LMArena Chinese15081253
LMArena French14881273
LMArena German14701266
LMArena Japanese14221208
LMArena Korean14271206
LMArena Russian14591263
LMArena Spanish14731283

Instruction Following ERNIE 5.1 leads

ERNIE 5.1: 76.7 (#37), Mistral Small 3.1: 63.6 (#230)

Instruction Following benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Instruction Following14601264
IFEval—75%

Long Context ERNIE 5.1 leads

ERNIE 5.1: 44.7 (#59), Mistral Small 3.1: 39.5 (#178)

Long Context benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Longer Query14621299

Writing & Preference ERNIE 5.1 leads

ERNIE 5.1: 65.1 (#52), Mistral Small 3.1: 37.0 (#259)

Writing & Preference benchmarks
BenchmarkERNIE 5.1Mistral Small 3.1
LMArena Text14681277
LMArena Creative Writing14411253
LMArena Multi-Turn14711270
EQ-Bench Creative Writing—761
WildBench—78.8%

Frequently asked questions

Is ERNIE 5.1 better than Mistral Small 3.1?

ERNIE 5.1 is the stronger model overall, scoring 43.8 to 31.7 on the Noometry Index.

Is ERNIE 5.1 or Mistral Small 3.1 better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 38.3 in the Noometry coding category.

How many benchmarks do ERNIE 5.1 and Mistral Small 3.1 share?

17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Mistral Small 3.1 has 28.

Related comparisons

Go deeper