Model comparison

GPT-4.1 mini vs Hy4 preview

Hy4 preview is the stronger model overall, scoring 45.3 to 33.6 on the Noometry Index. GPT-4.1 mini costs 1.8× less per token, which makes it the better buy when Hy4 preview's lead doesn't matter for your workload.

Last verified . 0 shared benchmarks.

GPT-4.1 mini OpenAI

33.6

Rank #240 Confirmed

Hy4 preview Tencent

45.3

Rank #73 Reported

Summary

  • The widest gap is in math, where Hy4 preview leads 55.7 to 24.1.
  • GPT-4.1 mini is cheaper at $0.40 / $1.60 per million input/output tokens, against $0.83 / $2.50 for Hy4 preview.
  • Hy4 preview accepts more context: 1.05M tokens versus 1.05M.
  • Hy4 preview has downloadable open weights; the other is API-only.

Side by side

GPT-4.1 mini and Hy4 preview specifications
GPT-4.1 miniHy4 preview
ProviderOpenAITencent
Noometry Index33.645.3
Released2025-04-142026-08-28
WeightsProprietaryOpen
Context window1.05M1.05M
Max output33K64K
Input $ / M tokens$0.40$0.83
Output $ / M tokens$1.60$2.50
Results tracked473

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Category by category

Coding Hy4 preview leads

GPT-4.1 mini: 30.6 (#293), Hy4 preview: 51.6 (#38)

Coding benchmarks
BenchmarkGPT-4.1 miniHy4 preview
SWE-bench Verified (bash only)23.9%—
Aider Polyglot32.4%—
LMArena WebDev—1632
SciCode40.4%—
WeirdML37.6%—
BigCodeBench Instruct48.9%—
LMArena Coding1367—
CadEval16%—

Agentic & Tool Use Not comparable

GPT-4.1 mini: 33.3 (#55), Hy4 preview: —

Agentic & Tool Use benchmarks
BenchmarkGPT-4.1 miniHy4 preview
Berkeley Function Calling Leaderboard50.5%—

Reasoning Hy4 preview leads

GPT-4.1 mini: 10.8 (#340), Hy4 preview: 31.9 (#79)

Reasoning benchmarks
BenchmarkGPT-4.1 miniHy4 preview
ARC-AGI-20%—
Kagi LLM Benchmark48.6%—
NYT Connections (extended)—68.2%
ARC-AGI-13.5%—
CritPt0%—
Chess Puzzles7%—
LMArena Hard Prompts1349—
Mystery Game Puzzles7%—
DTBench68.8%—
LMCA21.1%—
Epoch Capabilities Index135.01—

Math Hy4 preview leads

GPT-4.1 mini: 24.1 (#270), Hy4 preview: 55.7 (#42)

Math benchmarks
BenchmarkGPT-4.1 miniHy4 preview
FrontierMath (Tiers 1-3)6.7%—
OTIS Mock AIME 2024-202544.7%—
ProofBench—75%
Omni-MATH49.1%—
LMArena Math1343—
MATH Level 587.3%—
FrontierMath (Feb 2025 set)4.5%—

Knowledge Not comparable

GPT-4.1 mini: 34.7 (#194), Hy4 preview: —

Knowledge benchmarks
BenchmarkGPT-4.1 miniHy4 preview
GPQA Diamond65.8%—
SimpleQA Verified12.7%—
MMLU-Pro78.3%—
GPQA (HELM)61.4%—
LMArena Expert1338—

Multimodal Not comparable

GPT-4.1 mini: 35.8 (#82), Hy4 preview: —

Multimodal benchmarks
BenchmarkGPT-4.1 miniHy4 preview
LMArena Vision1181—

Multilingual Not comparable

GPT-4.1 mini: 45.7 (#166), Hy4 preview: —

Multilingual benchmarks
BenchmarkGPT-4.1 miniHy4 preview
LMArena Non-English1318—
LMArena Chinese1329—
LMArena French1358—
LMArena German1351—
LMArena Japanese1290—
LMArena Korean1298—
LMArena Russian1324—
LMArena Spanish1319—

Instruction Following Not comparable

GPT-4.1 mini: 73.7 (#118), Hy4 preview: —

Instruction Following benchmarks
BenchmarkGPT-4.1 miniHy4 preview
IFEval90.4%—
LMArena Instruction Following1333—

Long Context Not comparable

GPT-4.1 mini: 31.8 (#275), Hy4 preview: —

Long Context benchmarks
BenchmarkGPT-4.1 miniHy4 preview
Fiction.LiveBench44.4%—
LMArena Longer Query1344—

Writing & Preference Not comparable

GPT-4.1 mini: 48.6 (#199), Hy4 preview: —

Writing & Preference benchmarks
BenchmarkGPT-4.1 miniHy4 preview
LMArena Text1340—
LMArena Creative Writing1300—
EQ-Bench Creative Writing1147—
WildBench83.8%—
LMArena Multi-Turn1354—

Frequently asked questions

Is GPT-4.1 mini better than Hy4 preview?

Hy4 preview is the stronger model overall, scoring 45.3 to 33.6 on the Noometry Index. GPT-4.1 mini costs 1.8× less per token, which makes it the better buy when Hy4 preview's lead doesn't matter for your workload.

Which is cheaper, GPT-4.1 mini or Hy4 preview?

GPT-4.1 mini is cheaper. It lists at $0.40 per million input tokens and $1.60 per million output tokens; Hy4 preview lists at $0.83 and $2.50.

Is GPT-4.1 mini or Hy4 preview better for coding?

Hy4 preview scores higher on coding benchmarks: 51.6 versus 30.6 in the Noometry coding category.

Which has the bigger context window?

Hy4 preview does, with 1.05M tokens against 1.05M.

How many benchmarks do GPT-4.1 mini and Hy4 preview share?

0 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and Hy4 preview has 3.

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