Model Comparison

Claude Sonnet 5 vs Kimi K2.7 CodeWhich is better in 2026?

Comparing Claude Sonnet 5 and Kimi K2.7 Code across benchmarks, pricing, and capabilities.

Verdict: Claude Sonnet 5 vs Kimi K2.7 Code — which is better?

Claude Sonnet 5 (by Anthropic) and Kimi K2.7 Code (by Moonshot AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Kimi K2.7 Code is roughly 4.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Sonnet 5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Sonnet 5 if…

  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Jun 2026

Choose Kimi K2.7 Code if…

  • cost matters — it's about 4.2x cheaper per token
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Sonnet 5 and Kimi K2.7 Codedon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Kimi K2.7 Code costs less

For input processing, Claude Sonnet 5 ($3.00/1M tokens) is 4.1x more expensive than Kimi K2.7 Code ($0.74/1M tokens).

For output processing, Claude Sonnet 5 ($15.00/1M tokens) is 4.3x more expensive than Kimi K2.7 Code ($3.50/1M tokens).

In conclusion, Claude Sonnet 5 is more expensive than Kimi K2.7 Code.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Jul 17 2026 • llm-stats.com
Anthropic
Claude Sonnet 5
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Moonshot AI
Kimi K2.7 Code
Input tokens$0.74
Output tokens$3.50
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Sonnet 5 accepts 1,000,000 input tokens compared to Kimi K2.7 Code's 262,144 tokens. Kimi K2.7 Code can generate longer responses up to 131,072 tokens, while Claude Sonnet 5 is limited to 64,000 tokens.

Anthropic
Claude Sonnet 5
Input1,000,000 tokens
Output64,000 tokens
Moonshot AI
Kimi K2.7 Code
Input262,144 tokens
Output131,072 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 5 and Kimi K2.7 Code support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Sonnet 5

Text
Images
Audio
Video

Kimi K2.7 Code

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 5 is licensed under a proprietary license, while Kimi K2.7 Code uses Modified MIT License.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Sonnet 5

Proprietary

Closed source

Kimi K2.7 Code

Modified MIT License

Open weights

Release Timeline

When each model was launched

Claude Sonnet 5 was released on 2026-06-30, while Kimi K2.7 Code was released on 2026-06-12.

Claude Sonnet 5 is 1 month newer than Kimi K2.7 Code.

Claude Sonnet 5

Jun 30, 2026

2 weeks ago

2w newer
Kimi K2.7 Code

Jun 12, 2026

1 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude Sonnet 5 is available from Anthropic. Kimi K2.7 Code is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together.

Claude Sonnet 5

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Kimi K2.7 Code

deepinfra logo
Deepinfra
Input Price:Input: $0.74/1MOutput Price:Output: $3.50/1M
fireworks logo
Fireworks
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
moonshot logo
Unknown Organization
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
novita logo
Novita
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
together logo
Together
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (1,000,000 tokens)
Moonshot AI
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Sonnet 5 and Kimi K2.7 Code side-by-side, then vote on the output you prefer.

Claude Sonnet 5
✓ Preferred
Kimi K2.7 Code
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 5
Moonshot AI
Kimi K2.7 Code

FAQ

Common questions about Claude Sonnet 5 vs Kimi K2.7 Code.

Which is better, Claude Sonnet 5 or Kimi K2.7 Code?

Claude Sonnet 5 (Anthropic) and Kimi K2.7 Code (Moonshot AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Sonnet 5 compare to Kimi K2.7 Code in benchmarks?

Claude Sonnet 5 scores CharXiv-R: 88.3%, ChartMuseum: 86.7%, SWE-Bench Verified: 85.2%, BrowseComp: 84.7%, GDP.pdf: 81.6%. Kimi K2.7 Code scores MCP-Mark: 81.1%, MCP Atlas: 76.0%, LiveBench: 71.9%, Kimi Code Bench v2: 62.0%, Program Bench: 53.6%.

Is Claude Sonnet 5 cheaper than Kimi K2.7 Code?

Kimi K2.7 Code is 4.1x cheaper for input tokens. Claude Sonnet 5 costs $3.00/M input and $15.00/M output via anthropic. Kimi K2.7 Code costs $0.74/M input and $3.50/M output via deepinfra.

What are the context window sizes for Claude Sonnet 5 and Kimi K2.7 Code?

Claude Sonnet 5 supports 1.0M tokens and Kimi K2.7 Code supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 5 and Kimi K2.7 Code?

Key differences include context window (1.0M vs 262K), input pricing ($3.00 vs $0.74/M), licensing (Proprietary vs Modified MIT License). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 5 and Kimi K2.7 Code?

Claude Sonnet 5 is developed by Anthropic and Kimi K2.7 Code is developed by Moonshot AI.

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