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Claude 3.5 Sonnet vs Kimi K2.7 Code

At a glance

Claude 3.5 Sonnet — better-than-Opus capabilities at Sonnet speeds.

68#59/92

MoonshotAI's coding-focused Kimi model for end-to-end software engineering.

82262K ctx$0.82/$3.75 per M#20/92
Agent Demos
All agent demos

No shared agent demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI· as of 2026-07-10
Capability
CapabilityECI67.5
Reasoning & Knowledge
Graduate Science55.3%Expert-Level4.1%Factual Recall—
Math
Math Problems56.9%Competition Math8.5%Research Math2.1%
Coding
Code Editing51.6%
Agentic
Task Horizon30min
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter21%
Capability
CapabilityECI21%81.8
Reasoning & Knowledge
Graduate Science62%89.5%Expert-Level—Factual Recall39.2%
Math
Math Problems—Competition Math1038%96.4%Research Math—
Coding
Code Editing—
Agentic
Task Horizon—
Specs
—
Context
—
Max output
—
Released
262K
Context
128K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Pricing not available
Live pricing, shown before you run
Input$0.82/M tokens
Output$3.75/M tokens
Cache read$0.16/M tokens
Chat with Claude 3.5 SonnetGo to model
Chat with Kimi K2.7 CodeGo to model
Frequently Asked Questions: Claude 3.5 Sonnet vs Kimi K2.7 Code▼

Which is better, Claude 3.5 Sonnet or Kimi K2.7 Code?

▼

Based on the Capability Index, Kimi K2.7 Code scores higher (81.8 vs 67.5). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Do both Claude 3.5 Sonnet and Kimi K2.7 Code support vision?

▼

Kimi K2.7 Code supports vision/image input, but Claude 3.5 Sonnet does not.

What are the key differences between Claude 3.5 Sonnet and Kimi K2.7 Code?

▼

Key differences: Kimi K2.7 Code has a notably higher capability index (14.3 point gap); only Kimi K2.7 Code supports vision input; only Kimi K2.7 Code offers extended reasoning mode. 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 Claude 3.5 Sonnet and Kimi K2.7 Code for free on idapt.app to see which performs better for your specific needs.

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