Model comparison

Hy3 vs Mistral Medium 3.5

Hy3 is the stronger model overall, scoring 43.6 to 39.6 on the Noometry Index.

Last verified October 10, 2026. 17 shared benchmarks.

Hy3

Tencent

43.6

Rank #79 Confirmed

Mistral Medium 3.5

Mistral AI

39.6

Rank #151 Confirmed

Summary

They share 17 benchmarks with published results for both. Hy3 scores higher in 8 categories and Mistral Medium 3.5 in 0 categories; 4 gaps are clear of the uncertainty.
The widest gap is in coding, where Hy3 leads 46.6 to 35.7.
The biggest single-benchmark swing is NYT Connections (extended): 41.2% for Hy3 and 12.9% for Mistral Medium 3.5.
Hy3 is cheaper at $0.13 / $0.53 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium 3.5.

Side by side

Hy3 and Mistral Medium 3.5 specifications
	Hy3	Mistral Medium 3.5
Provider	Tencent	Mistral AI
Noometry Index	43.6	39.6
Released	2026-07-06	—
Weights	Open	Open
Context window	262K	262K
Max output	128K	210K
Input $ / M tokens	$0.13	$1.50
Output $ / M tokens	$0.53	$7.50
Results tracked	17	22

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Category by category

Coding Hy3 leads

Hy3: 46.6 (#60), Mistral Medium 3.5: 35.7 (#208)

Coding benchmarks
Benchmark	Hy3	Mistral Medium 3.5
LMArena WebDev	1509	1263
LMArena Coding	1465	1461

Reasoning Hy3 leads

Hy3: 25.0 (#134), Mistral Medium 3.5: 16.6 (#290)

Reasoning benchmarks
Benchmark	Hy3	Mistral Medium 3.5
NYT Connections (extended)	41.2%	12.9%
LMArena Hard Prompts	1449	1436
Kagi LLM Benchmark	—	41.4%
Epoch Capabilities Index	—	141.42

Math Too close to call

Hy3: 37.4 (#98), Mistral Medium 3.5: 36.4 (#113)

Math benchmarks
Benchmark	Hy3	Mistral Medium 3.5
LMArena Math	1475	1432

Knowledge Too close to call

Hy3: 40.2 (#108), Mistral Medium 3.5: 39.3 (#123)

Knowledge benchmarks
Benchmark	Hy3	Mistral Medium 3.5
LMArena Expert	1461	1431

Multimodal Not comparable

Hy3: —, Mistral Medium 3.5: 37.6 (#64)

Multimodal benchmarks
Benchmark	Hy3	Mistral Medium 3.5
LMArena Vision	—	1222

Multilingual Hy3 leads

Hy3: 53.7 (#60), Mistral Medium 3.5: 52.1 (#93)

Multilingual benchmarks
Benchmark	Hy3	Mistral Medium 3.5
LMArena Non-English	1427	1405
LMArena Chinese	1496	1443
LMArena French	1461	1448
LMArena Korean	1390	1387
LMArena Russian	1435	1396
LMArena Spanish	1448	1406
LMArena German	—	1453

Instruction Following Too close to call

Hy3: 75.3 (#68), Mistral Medium 3.5: 74.7 (#87)

Instruction Following benchmarks
Benchmark	Hy3	Mistral Medium 3.5
LMArena Instruction Following	1425	1414

Long Context Too close to call

Hy3: 44.1 (#70), Mistral Medium 3.5: 43.2 (#101)

Long Context benchmarks
Benchmark	Hy3	Mistral Medium 3.5
LMArena Longer Query	1443	1414

Writing & Preference Hy3 leads

Hy3: 62.5 (#75), Mistral Medium 3.5: 58.6 (#113)

Writing & Preference benchmarks
Benchmark	Hy3	Mistral Medium 3.5
LMArena Text	1442	1421
LMArena Creative Writing	1399	1372
LMArena Multi-Turn	1436	1423
EQ-Bench 4	—	993

Frequently asked questions

Is Hy3 better than Mistral Medium 3.5?

Hy3 is the stronger model overall, scoring 43.6 to 39.6 on the Noometry Index.

Which is cheaper, Hy3 or Mistral Medium 3.5?

Hy3 is cheaper. It lists at $0.13 per million input tokens and $0.53 per million output tokens; Mistral Medium 3.5 lists at $1.50 and $7.50.

Is Hy3 or Mistral Medium 3.5 better for coding?

Hy3 scores higher on coding benchmarks: 46.6 versus 35.7 in the Noometry coding category.

Which has the bigger context window?

Both accept 262K tokens.

How many benchmarks do Hy3 and Mistral Medium 3.5 share?

17 benchmarks have published results for both models. Hy3 has 17 scored results on Noometry and Mistral Medium 3.5 has 22.