Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

GPT-5 Codex

OpenAI

GPT-5 Codex is a language model developed by OpenAI. It achieves strong performance with an average score of 74.5% across 1 benchmarks. Notable strengths include SWE-Bench Verified (74.5%). Released in 2025, it represents OpenAI's latest advancement in AI technology.

Kimi K2-Instruct-0905

Moonshot AI

Kimi K2-Instruct-0905 is a language model developed by Moonshot AI. It achieves strong performance with an average score of 64.1% across 29 benchmarks. It excels particularly in MATH-500 (97.4%), MMLU-Redux (92.7%), IFEval (89.8%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

Kimi K2-Instruct-0905

Moonshot AI

2025-09-05

GPT-5 Codex

OpenAI

2025-09-15

10 days newer

Average performance across 1 common benchmarks

GPT-5 Codex

+8.7%

Average Score:74.5%

Kimi K2-Instruct-0905

Average Score:65.8%

Performance comparison across key benchmark categories

GPT-5 Codex

general

+4.6%

74.5%

Kimi K2-Instruct-0905

general

69.9%

Benchmark Scores - Detailed View

Side-by-side comparison of all benchmark scores

Knowledge Cutoff

Training data recency comparison

GPT-5 Codex

2024-09-30

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

GPT-5 Codex

0 providers

Kimi K2-Instruct-0905

0 providers

GPT-5 Codex

+8.7%

Avg Score:74.5%

Providers:0

Kimi K2-Instruct-0905

Avg Score:65.8%

Providers:0