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Claude Opus 4.6 vs Kimi K2 Thinking
Comprehensive side-by-side LLM comparison
Claude Opus 4.6 leads with 7.9% higher average benchmark score. Claude Opus 4.6 offers 63.8K more tokens in context window than Kimi K2 Thinking. Kimi K2 Thinking is $25.00 cheaper per million tokens. Claude Opus 4.6 supports multimodal inputs. Claude Opus 4.6 is available on 3 providers. Overall, Claude Opus 4.6 is the stronger choice for coding tasks.
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Anthropic
Claude Opus 4.6, released by Anthropic in February 2026, is a large language model from the Claude 4 family designed for complex agent orchestration, extended reasoning, and long-form code generation. It features a 200K token context window (extendable to 1M tokens in beta), 128K maximum output tokens, native image understanding, and extended thinking with both standard and adaptive effort modes. Opus 4.6 targets multi-step agentic workflows, parallel tool use, and applications requiring sustained reasoning over large contexts.
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Moonshot AI
Kimi K2 Thinking, released by Moonshot AI on November 6, 2025, is a reasoning-focused variant of Kimi K2 with 1 trillion total parameters and 32 billion active parameters, featuring extended chain-of-thought processing for complex problem solving. It builds on K2's agentic coding strengths with additional capabilities for mathematical and scientific reasoning. Kimi K2 Thinking targets open-source deployments requiring deep, deliberate reasoning across coding and analytical domains.
2 months newer
Kimi K2 Thinking
Moonshot AI
2025-11-06
Claude Opus 4.6
Anthropic
2026-02
Pricing Comparison
Cost per million tokens (USD)
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Claude Opus 4.6
Input:$5.00
Output:$25.00
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Kimi K2 Thinking
Input:$1.00
Output:$4.00($25.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Opus 4.6
Average Score:51.7%(+7.9%)
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Kimi K2 Thinking
Average Score:43.8%
Performance comparison across key benchmark categories
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Claude Opus 4.6
Coding51.7%(+7.9%)
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Kimi K2 Thinking
Coding43.8%
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Knowledge Cutoff
Training data recency comparison
Claude Opus 4.6
2025-05
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Opus 4.6
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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Kimi K2 Thinking
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Claude Opus 4.6
Avg Score:51.7%(+7.9%)
Providers:3
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Kimi K2 Thinking
Avg Score:43.8%
Providers:1