Model Comparison

Claude Opus 4.5 vs Kimi K2.7 CodeWhich is better in 2026?

Kimi K2.7 Code significantly outperforms across most benchmarks. Kimi K2.7 Code is 5.8x cheaper per token.

Verdict: Claude Opus 4.5 vs Kimi K2.7 Code — which is better?

Claude Opus 4.5 (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.

Claude Opus 4.5 outperforms in 0 benchmarks, while Kimi K2.7 Code is better at 1 benchmark (MCP Atlas). Kimi K2.7 Code significantly outperforms across most benchmarks.

On price, Kimi K2.7 Code is roughly 5.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Kimi K2.7 Code also accepts a larger context window (262,144 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 4.5 if…

  • you want predictable pricing at $5.00/M input and $25.00/M output

Choose Kimi K2.7 Code if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • cost matters — it's about 5.8x cheaper per token
  • you process long inputs — it offers a 262,144 token context window
  • you want the most recent training data — it shipped Jun 2026
  • you need open weights you can self-host or fine-tune
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Opus 4.5 outperforms in 0 benchmarks, while Kimi K2.7 Code is better at 1 benchmark (MCP Atlas).

Kimi K2.7 Code significantly outperforms across most benchmarks.

Sat Jun 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Kimi K2.7 Code costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 5.3x more expensive than Kimi K2.7 Code ($0.95/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 6.3x more expensive than Kimi K2.7 Code ($4.00/1M tokens).

In conclusion, Claude Opus 4.5 is more expensive than Kimi K2.7 Code.*

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

Lowest available price from all providers
Sat Jun 13 2026 • llm-stats.com
Anthropic
Claude Opus 4.5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Moonshot AI
Kimi K2.7 Code
Input tokens$0.95
Output tokens$4.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Kimi K2.7 Code accepts 262,144 input tokens compared to Claude Opus 4.5's 200,000 tokens. Kimi K2.7 Code can generate longer responses up to 262,144 tokens, while Claude Opus 4.5 is limited to 64,000 tokens.

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
Moonshot AI
Kimi K2.7 Code
Input262,144 tokens
Output262,144 tokens
Sat Jun 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.5 and Kimi K2.7 Code support multimodal inputs.

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

Claude Opus 4.5

Text
Images
Audio
Video

Kimi K2.7 Code

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.5 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 Opus 4.5

Proprietary

Closed source

Kimi K2.7 Code

Modified MIT License

Open weights

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while Kimi K2.7 Code was released on 2026-06-12.

Kimi K2.7 Code is 7 months newer than Claude Opus 4.5.

Claude Opus 4.5

Nov 24, 2025

6 months ago

Kimi K2.7 Code

Jun 12, 2026

1 days ago

6mo newer

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while Kimi K2.7 Code's cutoff date is not specified.

We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without Kimi K2.7 Code's cutoff date.

Claude Opus 4.5

Mar 2025

Kimi K2.7 Code

—

Provider Availability

Claude Opus 4.5 is available from Anthropic. Kimi K2.7 Code is available from Moonshot AI, Novita.

Claude Opus 4.5

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

Kimi K2.7 Code

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
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic

No standout differentiators in the data we have for this pair.

Moonshot AI
Larger context window (262,144 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher MCP Atlas score (76.0% vs 62.3%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.5
Moonshot AI
Kimi K2.7 Code

FAQ

Common questions about Claude Opus 4.5 vs Kimi K2.7 Code.

Which is better, Claude Opus 4.5 or Kimi K2.7 Code?

Kimi K2.7 Code significantly outperforms across most benchmarks. Claude Opus 4.5 is made by Anthropic and Kimi K2.7 Code is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Opus 4.5 compare to Kimi K2.7 Code in benchmarks?

Claude Opus 4.5 scores Tau2 Telecom: 98.2%, MMMLU: 90.8%, Tau2 Retail: 88.9%, GPQA: 87.0%, SWE-Bench Verified: 80.9%. Kimi K2.7 Code scores MCP-Mark: 81.1%, MCP Atlas: 76.0%, Kimi Code Bench v2: 62.0%, Program Bench: 53.6%, Kimi Claw 24/7 Bench: 46.9%.

Is Claude Opus 4.5 cheaper than Kimi K2.7 Code?

Kimi K2.7 Code is 5.3x cheaper for input tokens. Claude Opus 4.5 costs $5.00/M input and $25.00/M output via anthropic. Kimi K2.7 Code costs $0.95/M input and $4.00/M output via moonshot.

What are the context window sizes for Claude Opus 4.5 and Kimi K2.7 Code?

Claude Opus 4.5 supports 200K 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 Opus 4.5 and Kimi K2.7 Code?

Key differences include context window (200K vs 262K), input pricing ($5.00 vs $0.95/M), licensing (Proprietary vs Modified MIT License). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.5 and Kimi K2.7 Code?

Claude Opus 4.5 is developed by Anthropic and Kimi K2.7 Code is developed by Moonshot AI.

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