Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Claude 3 Opus is available on 3 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude 3 Opus was developed as the most capable model in the Claude 3 family, designed to set new industry benchmarks across a wide range of cognitive tasks. Built to handle complex analysis and extended tasks requiring deep reasoning, it balanced frontier intelligence with careful safety considerations, representing the flagship tier of the Claude 3 generation.
Moonshot AI
Kimi K1.5 was developed by Moonshot AI as an advanced language model with extended context capabilities, designed to handle long documents and conversations. Built to excel at tasks requiring comprehension of extensive information, it represents Moonshot's approach to long-context language understanding.
10 months newer

Claude 3 Opus
Anthropic
2024-02-29

Kimi-k1.5
Moonshot AI
2025-01-20
Context window and performance specifications
Average performance across 1 common benchmarks

Claude 3 Opus

Kimi-k1.5
Available providers and their performance metrics

Claude 3 Opus
Anthropic
Bedrock

Claude 3 Opus

Kimi-k1.5

Claude 3 Opus

Kimi-k1.5

Kimi-k1.5