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Kimi K2.7 Code vs Claude Sonnet 4

At a glance
MoonshotAIKimi K2.7 Code

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

82262K ctx$0.74/$3.50 per M#20/92
AnthropicClaude Sonnet 4

Significantly enhanced over Sonnet 3.7 in coding and reasoning tasks.

751M ctx$3.00/$15.00 per M#43/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
MoonshotAIKimi K2.7 Code
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
SmarterCheaper
Capability
CapabilityECI81.8
Reasoning & Knowledge
Graduate Science89.5%Factual Recall39.2%
Math
Math Problems—Competition Math96.4%Research Math—
Coding
Code Editing—
Agentic
Novel Reasoning—
AnthropicClaude Sonnet 4
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI74.7
Reasoning & Knowledge
Graduate Science66.7%Factual Recall—
Math
Math Problems84.4%Competition Math28.9%Research Math4.1%
Coding
Code Editing56.4%
Agentic
Novel Reasoning1.3%
Specs
MoonshotAIKimi K2.7 Code
262K
Context
16K
Max output
Jun 2026
Released
AnthropicClaude Sonnet 4
1M
Context
64K
Max output
May 2025
Released
Capabilities
MoonshotAIKimi K2.7 Code
Vision
Audio
Reasoning
AnthropicClaude Sonnet 4
Vision
Audio
Reasoning
Pricing
MoonshotAIKimi K2.7 Code
Live pricing, shown before you run
Input$0.74/M tokens
Output$3.50/M tokens
Cache read$0.15/M tokens
AnthropicClaude Sonnet 4
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Cache write$3.75/M tokens
Web search$0.01/search
Chat with Kimi K2.7 CodeGo to model
Chat with Claude Sonnet 4Go to model
Frequently Asked Questions: Kimi K2.7 Code vs Claude Sonnet 4▼

Which is better, Kimi K2.7 Code or Claude Sonnet 4?

▼

Based on the Capability Index, Kimi K2.7 Code scores higher (81.8 vs 74.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Kimi K2.7 Code or Claude Sonnet 4?

▼

Kimi K2.7 Code has a lower blended cost. Kimi K2.7 Code: $0.74 input / $3.50 output. Claude Sonnet 4: $3.00 input / $15.00 output.

Which has a larger context window, Kimi K2.7 Code or Claude Sonnet 4?

▼

Claude Sonnet 4 has a larger context window: Kimi K2.7 Code supports 262K tokens vs Claude Sonnet 4 at 1M tokens.

Do both Kimi K2.7 Code and Claude Sonnet 4 support vision?

▼

Yes, both Kimi K2.7 Code and Claude Sonnet 4 support vision/image input.

What are the key differences between Kimi K2.7 Code and Claude Sonnet 4?

▼

Key differences: Kimi K2.7 Code has a notably higher capability index (7.1 point gap); Kimi K2.7 Code is significantly cheaper. 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 K2.7 Code and Claude Sonnet 4 for free on idapt.app to see which performs better for your specific needs.

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