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Kimi K2.7 Code vs Kimi K3

Kimi K3 leads the LLM Stats Score 53.0 to 39.4. Kimi K2.7 Code is 4.2x cheaper per token.

Moonshot AI · Moonshot AI · Updated for 2026

Which is better?

Kimi K3 leads the overall LLM Stats Score 53.0 to 39.4, ranking #8 overall.

In the 5 individual benchmarks reported for both models, Kimi K3 wins 5; this is a narrower head-to-head signal than the composite indexes.

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.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Kimi K2.7 Code

  • cost matters — it's about 4.2x cheaper per token

Choose Kimi K3

  • overall performance matters — it scores 53.0 and ranks #8 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 5 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jul 2026

At a glance

The differences that matter most.

Core performance indexes
39.4
#59
53.0
#8
34.3
#89
51.6
#9
30.7
#49
43.3
#6
27.0
#46
39.2
#9
Cost, coverage & limits
Benchmark wins
0 of 5
5 of 5
Input price
$0.68 / M
$2.85 / M
Output price
$3.40 / M
$14.25 / M
Context window
262,144
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Kimi K2.7 Code
Kimi K3
24.0#40
33.8#3
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Kimi K2.7 Code · 31 for Kimi K3

5 shared

Kimi K2.7 Code outperforms in 0 benchmarks, while Kimi K3 is better at 5 benchmarks (DeepSWE 1.1, Kimi Code Bench v2, MCP Atlas, MLS-Bench Lite, Program Bench).

Kimi K3 significantly outperforms across most benchmarks.

Mon Sep 21 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Kimi K2.7 Code costs less

For input processing, Kimi K2.7 Code ($0.68/1M tokens) is 4.2x cheaper than Kimi K3 ($2.85/1M tokens).

For output processing, Kimi K2.7 Code ($3.40/1M tokens) is 4.2x cheaper than Kimi K3 ($14.25/1M 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
Mon Sep 21 2026 • llm-stats.com
Moonshot AI
Kimi K2.7 Code
Input tokens$0.68
Output tokens$3.40
Best providerDeepinfra
Moonshot AI
Kimi K3
Input tokens$2.85
Output tokens$14.25
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 K2.7 Code
1.0Tparameters
Moonshot AI
Kimi K3
2.8Tparameters
1000.0B
Kimi K2.7 Code
2800.0B
Kimi K3

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 262,144 tokens.

Moonshot AI
Kimi K2.7 Code
Input262,144 tokens
Output262,144 tokens
Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi K2.7 Code and Kimi K3 support multimodal inputs.

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

Kimi K2.7 Code

Text
Images
Audio
Video

Kimi K3

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K2.7 Code is licensed under Modified MIT License, while Kimi K3 uses Kimi K3 License.

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

Kimi K2.7 Code

Modified MIT License

Open weights

Kimi K3

Kimi K3 License

Open weights

Release Timeline

When each model was launched

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

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

Kimi K2.7 Code

Jun 12, 2026

3 months ago

Kimi K3

Jul 16, 2026

2 months ago

1mo newer

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

Kimi K2.7 Code

deepinfra logo
Deepinfra
Input Price:Input: $0.68/1MOutput Price:Output: $3.40/1M
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

Kimi K3

deepinfra logo
Deepinfra
Input Price:Input: $2.85/1MOutput Price:Output: $14.25/1M
fireworks logo
Fireworks
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
moonshot logo
Unknown Organization
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
novita logo
Novita
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
together logo
Together
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

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

Kimi K2.7 Code
✓ Preferred
Kimi K3
Open in Playground

FAQ

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

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

Kimi K3 leads the LLM Stats Score 53.0 to 39.4. Kimi K2.7 Code is made by Moonshot AI and Kimi K3 is made by Moonshot AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Kimi K2.7 Code compare to Kimi K3 in benchmarks?

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%. Kimi K3 scores MathVision: 97.8%, DeepSearchQA: 95.0%, GPQA: 93.5%, CharXiv-R: 91.3%, BrowseComp: 91.2%.

Is Kimi K2.7 Code cheaper than Kimi K3?

Kimi K2.7 Code is 4.2x cheaper for input tokens. Kimi K2.7 Code costs $0.68/M input and $3.40/M output via deepinfra. Kimi K3 costs $2.85/M input and $14.25/M output via deepinfra.

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

Kimi K2.7 Code supports 262K tokens and Kimi K3 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi K2.7 Code and Kimi K3?

Key differences include LLM Stats Score (39.4 vs 53.0), context window (262K vs 1.0M), input pricing ($0.68 vs $2.85/M), licensing (Modified MIT License vs Kimi K3 License). See the full comparison above for benchmark-by-benchmark results.