Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. GPT-4 Turbo is available on 2 providers. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-4 Turbo was introduced as an optimized version of GPT-4, designed to provide enhanced performance with improved efficiency and an expanded context window. Built with updated knowledge and refined capabilities, it offered developers a more cost-effective way to leverage GPT-4's advanced reasoning while handling longer conversations and documents.
Moonshot AI
Kimi K2 Base was created as the foundation model in the K2 series, designed to serve as a starting point for fine-tuning and customization. Built to provide strong base capabilities for domain-specific applications, it enables developers to build specialized solutions on Moonshot's architecture.
1 year newer

GPT-4 Turbo
OpenAI
2024-04-09

Kimi K2 Base
Moonshot AI
2025-07-11
Context window and performance specifications
Average performance across 3 common benchmarks

GPT-4 Turbo

Kimi K2 Base
GPT-4 Turbo
2023-12-31
Available providers and their performance metrics

GPT-4 Turbo
Azure
OpenAI


GPT-4 Turbo

Kimi K2 Base

GPT-4 Turbo

Kimi K2 Base
Kimi K2 Base