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Model Comparison

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

OpenAI

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.

Moonshot AI

Kimi K2 0905

Moonshot AI

Kimi K2 0905 is a language model developed by Moonshot AI. This model demonstrates exceptional performance with an average score of 84.0% across 6 benchmarks. It excels particularly in HumanEval (94.5%), MMLU (90.2%), MATH (89.1%). It supports a 524K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

Moonshot AI

Kimi K2 0905

Moonshot AI

2025-09-05

OpenAI

GPT-5 Codex

OpenAI

2025-09-15

10 days newer

Performance Metrics

Context window and performance specifications

OpenAI

GPT-5 Codex

Max Context:-
Moonshot AI

Kimi K2 0905

Larger context
Max Context:524.3K
Parameters:1.0T

Performance comparison across key benchmark categories

OpenAI

GPT-5 Codex

general
74.5%
Moonshot AI

Kimi K2 0905

general
+5.6%
80.1%
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

OpenAI

GPT-5 Codex

0 providers
Moonshot AI

Kimi K2 0905

1 providers

Novita

OpenAI

GPT-5 Codex

Avg Score:0.0%
Providers:0
Moonshot AI

Kimi K2 0905

Avg Score:0.0%
Providers:1