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Kimi K2 Thinking vs Claude Opus 5

At a glance

Kimi K2 with always-on extended reasoning for complex problem solving.

262K ctx$0.60/$2.50 per M

Anthropic's flagship for demanding reasoning, coding, and long-horizon agentic work.

1M ctx$5.00/$25.00 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper89%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Specs
262K
Context
100K
Max output
Nov 2025
Released
1M
Context
128K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input88%$0.60/M tokens
Output90%$2.50/M tokens
Cache read70%$0.15/M tokens
Live pricing, shown before you run
Input$5.00/M tokens
Output$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search$0.01/search
Chat with Kimi K2 ThinkingGo to model
Chat with Claude Opus 5Go to model
Frequently Asked Questions: Kimi K2 Thinking vs Claude Opus 5▼

Which is better, Kimi K2 Thinking or Claude Opus 5?

▼

Both Kimi K2 Thinking and Claude Opus 5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Kimi K2 Thinking or Claude Opus 5?

▼

Kimi K2 Thinking has a lower blended cost. Kimi K2 Thinking: $0.60 input / $2.50 output. Claude Opus 5: $5.00 input / $25.00 output.

Which has a larger context window, Kimi K2 Thinking or Claude Opus 5?

▼

Claude Opus 5 has a larger context window: Kimi K2 Thinking supports 262K tokens vs Claude Opus 5 at 1M tokens.

Do both Kimi K2 Thinking and Claude Opus 5 support vision?

▼

Claude Opus 5 supports vision/image input, but Kimi K2 Thinking does not.

What are the key differences between Kimi K2 Thinking and Claude Opus 5?

▼

Key differences: Kimi K2 Thinking is significantly cheaper; only Claude Opus 5 supports vision input. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Kimi K2 Thinking and Claude Opus 5 for free on idapt.app to see which performs better for your specific needs.

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