Model comparison

GPT-5.3 Codex vs Hunyuan Standard 2025 02 10

GPT-5.3 Codex is the stronger model overall, scoring 45.8 to 37.9 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5.3 Codex OpenAI

45.8

Rank #69 Reported

Hunyuan Standard 2025 02 10 Tencent

37.9

Rank #193 Confirmed

Summary

  • The widest gap is in coding, where GPT-5.3 Codex leads 48.6 to 37.1.

Side by side

GPT-5.3 Codex and Hunyuan Standard 2025 02 10 specifications
GPT-5.3 CodexHunyuan Standard 2025 02 10
ProviderOpenAITencent
Noometry Index45.837.9
Released2026-02-05—
WeightsProprietaryProprietary
Context window400K—
Max output128K—
Input $ / M tokens$1.75—
Output $ / M tokens$14—
Results tracked812

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Category by category

Coding GPT-5.3 Codex leads

GPT-5.3 Codex: 48.6 (#56), Hunyuan Standard 2025 02 10: 37.1 (#197)

Coding benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
SWE-bench Verified74.8%—
LMArena WebDev1409—
WeirdML79.3%—
LMArena Coding—1270
ALE-Bench1,655—

Agentic & Tool Use Not comparable

GPT-5.3 Codex: 48.0 (#9), Hunyuan Standard 2025 02 10: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
Terminal-Bench78.4%—
METR Time Horizons74.5%—
Vending-Bench 25,940—

Reasoning Not comparable

GPT-5.3 Codex: —, Hunyuan Standard 2025 02 10: 25.0 (#154)

Reasoning benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
LMArena Hard Prompts—1264
Epoch Capabilities Index156.77—

Math Not comparable

GPT-5.3 Codex: —, Hunyuan Standard 2025 02 10: 35.6 (#179)

Math benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
LMArena Math—1274

Knowledge Not comparable

GPT-5.3 Codex: —, Hunyuan Standard 2025 02 10: 34.2 (#197)

Knowledge benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
LMArena Expert—1248

Multilingual Not comparable

GPT-5.3 Codex: —, Hunyuan Standard 2025 02 10: 41.7 (#203)

Multilingual benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
LMArena Non-English—1262
LMArena Chinese—1319
LMArena Russian—1258

Instruction Following Not comparable

GPT-5.3 Codex: —, Hunyuan Standard 2025 02 10: 65.5 (#219)

Instruction Following benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
LMArena Instruction Following—1245

Long Context Not comparable

GPT-5.3 Codex: —, Hunyuan Standard 2025 02 10: 39.5 (#173)

Long Context benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
LMArena Longer Query—1301

Writing & Preference Not comparable

GPT-5.3 Codex: —, Hunyuan Standard 2025 02 10: 47.2 (#214)

Writing & Preference benchmarks
BenchmarkGPT-5.3 CodexHunyuan Standard 2025 02 10
LMArena Text—1274
LMArena Creative Writing—1242
LMArena Multi-Turn—1275

Frequently asked questions

Is GPT-5.3 Codex better than Hunyuan Standard 2025 02 10?

GPT-5.3 Codex is the stronger model overall, scoring 45.8 to 37.9 on the Noometry Index.

Is GPT-5.3 Codex or Hunyuan Standard 2025 02 10 better for coding?

GPT-5.3 Codex scores higher on coding benchmarks: 48.6 versus 37.1 in the Noometry coding category.

How many benchmarks do GPT-5.3 Codex and Hunyuan Standard 2025 02 10 share?

0 benchmarks have published results for both models. GPT-5.3 Codex has 8 scored results on Noometry and Hunyuan Standard 2025 02 10 has 12.

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