Model Comparison

Grok-2 Image 1212 vs Kimi K3Which is better in 2026?

Comparing Grok-2 Image 1212 and Kimi K3 across benchmarks, pricing, and capabilities.

Verdict: Grok-2 Image 1212 vs Kimi K3 — which is better?

Grok-2 Image 1212 (by xAI) and Kimi K3 (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 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Grok-2 Image 1212 if…

  • you are already invested in the xAI ecosystem

Choose Kimi K3 if…

  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok-2 Image 1212 and Kimi K3don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Kimi K3 accepts 1,048,576 input tokens compared to Grok-2 Image 1212's 131,072 tokens. Only Kimi K3 specifies output context (1,048,576 tokens).

xAI
Grok-2 Image 1212
Input131,072 tokens
Output- tokens
Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 tokens
Sun Jul 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Kimi K3 supports multimodal inputs, whereas Grok-2 Image 1212 does not.

Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-2 Image 1212

Text
Images
Audio
Video

Kimi K3

Text
Images
Audio
Video

Release Timeline

When each model was launched

Grok-2 Image 1212 was released on 2024-12-12, while Kimi K3 was released on 2026-07-16.

Kimi K3 is 19 months newer than Grok-2 Image 1212.

Grok-2 Image 1212

Dec 12, 2024

1.6 years ago

Kimi K3

Jul 16, 2026

1 weeks ago

1.6yr 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

Grok-2 Image 1212 is available from xAI. Kimi K3 is available from Moonshot AI.

Grok-2 Image 1212

xai logo
xAI

Kimi K3

moonshot logo
Unknown Organization
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→

Key Takeaways

xAI

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

Moonshot AI
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Grok-2 Image 1212 and Kimi K3 side-by-side, then vote on the output you prefer.

Grok-2 Image 1212
✓ Preferred
Kimi K3
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok-2 Image 1212
Moonshot AI
Kimi K3

FAQ

Common questions about Grok-2 Image 1212 vs Kimi K3.

Which is better, Grok-2 Image 1212 or Kimi K3?

Grok-2 Image 1212 (xAI) and Kimi K3 (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 Grok-2 Image 1212 compare to Kimi K3 in benchmarks?

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

What are the context window sizes for Grok-2 Image 1212 and Kimi K3?

Grok-2 Image 1212 supports 131K 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 Grok-2 Image 1212 and Kimi K3?

Key differences include context window (131K vs 1.0M), multimodal support (no vs yes), licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-2 Image 1212 and Kimi K3?

Grok-2 Image 1212 is developed by xAI and Kimi K3 is developed by Moonshot AI.

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