Model Comparison

GLM-5 vs Grok-2 Image 1212Which is better in 2026?

Comparing GLM-5 and Grok-2 Image 1212 across benchmarks, pricing, and capabilities.

Verdict: GLM-5 vs Grok-2 Image 1212 — which is better?

GLM-5 (by Zhipu AI) and Grok-2 Image 1212 (by xAI) 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.

GLM-5 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose GLM-5 if…

  • you process long inputs — it offers a 200,000 token context window
  • you want the most recent training data — it shipped Feb 2026
  • you need open weights you can self-host or fine-tune

Choose Grok-2 Image 1212 if…

  • you are already invested in the xAI ecosystem
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GLM-5 and Grok-2 Image 1212don'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

GLM-5 accepts 200,000 input tokens compared to Grok-2 Image 1212's 131,072 tokens. Only GLM-5 specifies output context (128,000 tokens).

Zhipu AI
GLM-5
Input200,000 tokens
Output128,000 tokens
xAI
Grok-2 Image 1212
Input131,072 tokens
Output- tokens
Thu Jun 11 2026 • llm-stats.com

License

Usage and distribution terms

GLM-5 is licensed under MIT, while Grok-2 Image 1212 uses a proprietary license.

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

GLM-5

MIT

Open weights

Grok-2 Image 1212

Proprietary

Closed source

Release Timeline

When each model was launched

GLM-5 was released on 2026-02-11, while Grok-2 Image 1212 was released on 2024-12-12.

GLM-5 is 14 months newer than Grok-2 Image 1212.

GLM-5

Feb 11, 2026

4 months ago

1.2yr newer
Grok-2 Image 1212

Dec 12, 2024

1.5 years 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

GLM-5 is available from FriendliAI, ZAI. Grok-2 Image 1212 is available from xAI.

GLM-5

friendli logo
FriendliAI
Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M
z logo
Unknown Organization
Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M

Grok-2 Image 1212

xai logo
xAI
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Zhipu AI
Larger context window (200,000 tokens)
Has open weights
xAI

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

Detailed Comparison

AI Model Comparison Table
Feature
Zhipu AI
GLM-5
xAI
Grok-2 Image 1212

FAQ

Common questions about GLM-5 vs Grok-2 Image 1212.

Which is better, GLM-5 or Grok-2 Image 1212?

GLM-5 (Zhipu AI) and Grok-2 Image 1212 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GLM-5 compare to Grok-2 Image 1212 in benchmarks?

GLM-5 scores t2-bench: 89.7%, SWE-Bench Verified: 77.8%, BrowseComp: 75.9%, MCP Atlas: 67.8%, Terminal-Bench 2.0: 56.2%.

What are the context window sizes for GLM-5 and Grok-2 Image 1212?

GLM-5 supports 200K tokens and Grok-2 Image 1212 supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-5 and Grok-2 Image 1212?

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

Who makes GLM-5 and Grok-2 Image 1212?

GLM-5 is developed by Zhipu AI and Grok-2 Image 1212 is developed by xAI.

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