Comprehensive side-by-side LLM comparison
Kimi K2 Instruct leads with 1.8% higher average benchmark score. o3-mini offers 37.9K more tokens in context window than Kimi K2 Instruct. Kimi K2 Instruct is $2.63 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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.
OpenAI
o3-mini was created as an efficient variant of the o3 reasoning model, designed to provide advanced thinking capabilities with reduced computational requirements. Built to make next-generation reasoning accessible to a broader range of applications, it balances analytical depth with practical speed and cost considerations.
5 months newer

o3-mini
OpenAI
2025-01-30

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

Kimi K2 Instruct

o3-mini
Context window and performance specifications
Average performance across 9 common benchmarks

Kimi K2 Instruct

o3-mini
Performance comparison across key benchmark categories

Kimi K2 Instruct

o3-mini
o3-mini
2023-09-30
Available providers and their performance metrics

Kimi K2 Instruct
Novita

o3-mini

Kimi K2 Instruct

o3-mini

Kimi K2 Instruct

o3-mini
Azure
OpenAI