The AI arena is free today

Open Superagent

Gemini 4 Carbon vs Kimi K2.6

Gemini 4 Carbon leads the LLM Stats Score 58.8 to 43.2.

Google · Moonshot AI · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 58.8 to 43.2, ranking #2 overall.

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

Choose Gemini 4 Carbon

  • overall performance matters — it scores 58.8 and ranks #2 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

Choose Kimi K2.6

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 4 Carbon
Google
Kimi K2.6
Moonshot AI
Core performance indexes
LLM Stats Score
58.8
#2
43.2
#59
Reasoning
54.4
#5
43.5
#53
Coding
48.3
#3
33.1
#51
Agents
45.8
#1
26.8
#67
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.75 / M
Output price
— / M
$3.50 / M
Context window
—
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Gemini 4 Carbon
Kimi K2.6
Vision
36.0#13
29.0#45
Tool use
35.4#3
21.3#67
Multimodal
38.0#6
31.0#34
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemini 4 Carbon · 28 for Kimi K2.6

No common benchmarks found

Gemini 4 Carbon and Kimi K2.6don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Kimi K2.6 specifies input context (262,144 tokens). Only Kimi K2.6 specifies output context (131,072 tokens).

Google
Gemini 4 Carbon
Input- tokens
Output- tokens
Moonshot AI
Kimi K2.6
Input262,144 tokens
Output131,072 tokens
Thu Nov 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 4 Carbon and Kimi K2.6 support multimodal inputs.

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

Gemini 4 Carbon

Text
Images
Audio
Video

Kimi K2.6

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 4 Carbon is licensed under a proprietary license, while Kimi K2.6 uses Modified MIT License.

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

Gemini 4 Carbon

Proprietary

Closed source

Kimi K2.6

Modified MIT License

Open weights

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while Kimi K2.6 was released on 2026-04-20.

Gemini 4 Carbon is 6 months newer than Kimi K2.6.

Gemini 4 Carbon

Oct 28, 2026

1 weeks ago

6mo newer
Kimi K2.6

Apr 20, 2026

6 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

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 4 Carbon and Kimi K2.6 side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
Kimi K2.6
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs Kimi K2.6.

Which is better, Gemini 4 Carbon or Kimi K2.6?

Gemini 4 Carbon leads the LLM Stats Score 58.8 to 43.2. Gemini 4 Carbon is made by Google and Kimi K2.6 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 Gemini 4 Carbon compare to Kimi K2.6 in benchmarks?

Gemini 4 Carbon scores Gray Swan IPI Benchmark: 100.0%, Vending-Bench 2: 100.0%, Graphwalks BFS >128k: 96.2%, WebDev Arena: 88.4%, SEC-bench Pro: 88.2%. Kimi K2.6 scores V*: 96.9%, AIME 2026: 96.4%, MathVision: 93.2%, HMMT Feb 26: 92.7%, GPQA: 90.5%.

What are the context window sizes for Gemini 4 Carbon and Kimi K2.6?

Gemini 4 Carbon supports an unknown number of tokens and Kimi K2.6 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 Gemini 4 Carbon and Kimi K2.6?

Key differences include LLM Stats Score (58.8 vs 43.2), licensing (Proprietary vs Modified MIT License). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and Kimi K2.6?

Gemini 4 Carbon is developed by Google and Kimi K2.6 is developed by Moonshot AI.

Related comparisons