+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Kimi K2-Instruct-0905 vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 12.7% higher average benchmark score. o3 supports multimodal inputs. Overall, o3 is the stronger choice for coding tasks.
+
+
+
+
Moonshot AI
Kimi K2 Instruct-0905 represents a specific release iteration of the K2 Instruct model, developed to incorporate refinements and improvements. Built to provide enhanced instruction-following based on deployment feedback, it continues the evolution of Moonshot's instruction-tuned offerings.
+
+
+
+
OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
4 months newer
o3
OpenAI
2025-04-16
Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
+
+
+
+
+
+
+
+
+
+
+
+
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
+
+
+
+
Kimi K2-Instruct-0905
Average Score:64.1%
+
+
+
+
o3
Average Score:76.9%(+12.7%)
Performance comparison across key benchmark categories
+
+
+
+
Kimi K2-Instruct-0905
Coding65.8%
+
+
+
+
o3
Coding69.1%(+3.3%)
+
+
+
+
Knowledge Cutoff
Training data recency comparison
o3
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
Kimi K2-Instruct-0905
0 providers
+
+
+
+
o3
1 providers
OpenAI
+
+
+
+
Kimi K2-Instruct-0905
Avg Score:64.1%
Providers:0
+
+
+
+
o3
Avg Score:76.9%(+12.7%)
Providers:1