Model Comparison

Kimi K3 vs Kimi K2.7 CodeWhich is better in 2026?

Kimi K3 significantly outperforms across most benchmarks. Kimi K2.7 Code is 4.2x cheaper per token.

Verdict: Kimi K3 vs Kimi K2.7 Code — which is better?

Kimi K3 (by Moonshot AI) 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.

Kimi K3 outperforms in 4 benchmarks (Kimi Code Bench v2, MCP Atlas, MLS-Bench Lite, Program Bench), while Kimi K2.7 Code is better at 0 benchmarks. Kimi K3 significantly outperforms across most benchmarks.

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.

Kimi K3 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Kimi K3 if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jul 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

4 benchmarks

Kimi K3 outperforms in 4 benchmarks (Kimi Code Bench v2, MCP Atlas, MLS-Bench Lite, Program Bench), while Kimi K2.7 Code is better at 0 benchmarks.

Kimi K3 significantly outperforms across most benchmarks.

Fri Jul 17 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, Kimi K3 ($3.00/1M tokens) is 4.1x more expensive than Kimi K2.7 Code ($0.74/1M tokens).

For output processing, Kimi K3 ($15.00/1M tokens) is 4.3x more expensive than Kimi K2.7 Code ($3.50/1M tokens).

In conclusion, Kimi K3 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
Moonshot AI
Kimi K3
Input tokens$3.00
Output tokens$15.00
Best providerUnknown Organization
Moonshot AI
Kimi K2.7 Code
Input tokens$0.74
Output tokens$3.50
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

1800.0B diff

Kimi K3 has 1800.0B more parameters than Kimi K2.7 Code, making it 180.0% larger.

Moonshot AI
Kimi K3
2.8Tparameters
Moonshot AI
Kimi K2.7 Code
1.0Tparameters
2800.0B
Kimi K3
1000.0B
Kimi K2.7 Code

Context Window

Maximum input and output token capacity

Kimi K3 accepts 1,048,576 input tokens compared to Kimi K2.7 Code's 262,144 tokens. Kimi K3 can generate longer responses up to 1,048,576 tokens, while Kimi K2.7 Code is limited to 131,072 tokens.

Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 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 Kimi K3 and Kimi K2.7 Code support multimodal inputs.

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

Kimi K3

Text
Images
Audio
Video

Kimi K2.7 Code

Text
Images
Audio
Video

Release Timeline

When each model was launched

Kimi K3 was released on 2026-07-16, while Kimi K2.7 Code was released on 2026-06-12.

Kimi K3 is 1 month newer than Kimi K2.7 Code.

Kimi K3

Jul 16, 2026

1 days ago

1mo 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

Kimi K3 is available from Moonshot AI. Kimi K2.7 Code is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together.

Kimi K3

moonshot logo
Unknown Organization
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

Moonshot AI
Larger context window (1,048,576 tokens)
Higher Kimi Code Bench v2 score (72.9% vs 62.0%)
Higher MCP Atlas score (84.2% vs 76.0%)
Higher MLS-Bench Lite score (48.3% vs 35.1%)
Higher Program Bench score (77.8% vs 53.6%)
Moonshot AI
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Kimi K3 and Kimi K2.7 Code side-by-side, then vote on the output you prefer.

Kimi K3
✓ Preferred
Kimi K2.7 Code
Open in Playground
AI Model Comparison Table
Feature
Moonshot AI
Kimi K3
Moonshot AI
Kimi K2.7 Code

FAQ

Common questions about Kimi K3 vs Kimi K2.7 Code.

Which is better, Kimi K3 or Kimi K2.7 Code?

Kimi K3 significantly outperforms across most benchmarks. Kimi K3 is made by Moonshot AI 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 Kimi K3 compare to Kimi K2.7 Code in benchmarks?

Kimi K3 scores MathVision: 97.8%, DeepSearchQA: 95.0%, GPQA: 93.5%, CharXiv-R: 91.3%, BrowseComp: 91.2%. 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 Kimi K3 cheaper than Kimi K2.7 Code?

Kimi K2.7 Code is 4.1x cheaper for input tokens. Kimi K3 costs $3.00/M input and $15.00/M output via moonshot. Kimi K2.7 Code costs $0.74/M input and $3.50/M output via deepinfra.

What are the context window sizes for Kimi K3 and Kimi K2.7 Code?

Kimi K3 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 Kimi K3 and Kimi K2.7 Code?

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

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