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Grok-2 Image 1212 vs Kimi K2 Instruct

Comparing Grok-2 Image 1212 and Kimi K2 Instruct across benchmarks, pricing, and capabilities.

xAI · Moonshot AI · Updated for 2026

Which is better?

Grok-2 Image 1212 and Kimi K2 Instruct trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Kimi K2 Instruct also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Grok-2 Image 1212

  • you are already invested in the xAI ecosystem

Choose Kimi K2 Instruct

  • you process long inputs — it offers a 200,000 token context window
  • you want the most recent training data — it shipped Jul 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok-2 Image 1212
xAI
Kimi K2 Instruct
Moonshot AI
Benchmark wins
—
—
Input price
— / M
$0.50 / M
Output price
— / M
$0.50 / M
Context window
131,072
200,000
Released
Dec 2024
Jul 2025
License
Proprietary
MIT

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok-2 Image 1212 and Kimi K2 Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Kimi K2 Instruct accepts 200,000 input tokens compared to Grok-2 Image 1212's 131,072 tokens. Only Kimi K2 Instruct specifies output context (200,000 tokens).

xAI
Grok-2 Image 1212
Input131,072 tokens
Output- tokens
Moonshot AI
Kimi K2 Instruct
Input200,000 tokens
Output200,000 tokens
Mon Aug 24 2026 • llm-stats.com

License

Usage and distribution terms

Grok-2 Image 1212 is licensed under a proprietary license, while Kimi K2 Instruct uses MIT.

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

Grok-2 Image 1212

Proprietary

Closed source

Kimi K2 Instruct

MIT

Open weights

Release Timeline

When each model was launched

Grok-2 Image 1212 was released on 2024-12-12, while Kimi K2 Instruct was released on 2025-07-11.

Kimi K2 Instruct is 7 months newer than Grok-2 Image 1212.

Grok-2 Image 1212

Dec 12, 2024

1.7 years ago

Kimi K2 Instruct

Jul 11, 2025

1.1 years ago

7mo 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 K2 Instruct is available from Fireworks, Novita.

Grok-2 Image 1212

xai logo
xAI

Kimi K2 Instruct

fireworks logo
Fireworks
Input Price:Input: $0.50/1MOutput Price:Output: $0.50/1M
novita logo
Novita
Input Price:Input: $0.57/1MOutput Price:Output: $2.30/1M
* 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 Grok-2 Image 1212 and Kimi K2 Instruct side-by-side, then vote on the output you prefer.

Grok-2 Image 1212
✓ Preferred
Kimi K2 Instruct
Open in Playground

FAQ

Common questions about Grok-2 Image 1212 vs Kimi K2 Instruct.

Which is better, Grok-2 Image 1212 or Kimi K2 Instruct?

Grok-2 Image 1212 (xAI) and Kimi K2 Instruct (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 K2 Instruct in benchmarks?

Kimi K2 Instruct scores MATH-500: 97.4%, GSM8k: 97.3%, CBNSL: 95.6%, HumanEval: 93.3%, MMLU-Redux: 92.7%.

What are the context window sizes for Grok-2 Image 1212 and Kimi K2 Instruct?

Grok-2 Image 1212 supports 131K tokens and Kimi K2 Instruct supports 200K 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 K2 Instruct?

Key differences include context window (131K vs 200K), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-2 Image 1212 and Kimi K2 Instruct?

Grok-2 Image 1212 is developed by xAI and Kimi K2 Instruct is developed by Moonshot AI.

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