Comprehensive side-by-side LLM comparison
Kimi K2 Instruct leads with 8.5% higher average benchmark score. GPT-4.1 offers 818.2K more tokens in context window than Kimi K2 Instruct. Kimi K2 Instruct is $7.13 cheaper per million tokens. GPT-4.1 supports multimodal inputs. Overall, Kimi K2 Instruct is the stronger choice for coding tasks.
OpenAI
GPT-4.1 represents an iterative improvement in the GPT-4 series, developed to refine the foundational capabilities established by GPT-4. Built to incorporate learnings and optimizations from the deployment of previous versions, it continues the evolution of OpenAI's flagship model line with enhanced reliability and performance.
Moonshot AI
Kimi K2 Instruct was developed as the instruction-tuned version of Kimi K2, designed to follow user instructions reliably across diverse tasks. Built to serve general-purpose conversational and task-completion applications, it provides Moonshot's accessible interface for language AI.
2 months newer

GPT-4.1
OpenAI
2025-04-14

Kimi K2 Instruct
Moonshot AI
2025-07-11
Cost per million tokens (USD)

GPT-4.1

Kimi K2 Instruct
Context window and performance specifications
Average performance across 10 common benchmarks

GPT-4.1

Kimi K2 Instruct
Performance comparison across key benchmark categories

GPT-4.1

Kimi K2 Instruct
GPT-4.1
2024-06-01
Available providers and their performance metrics

GPT-4.1
OpenAI

Kimi K2 Instruct

GPT-4.1

Kimi K2 Instruct

GPT-4.1

Kimi K2 Instruct
Novita