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Claude Haiku 5.5 vs GLM-4.5-Air

Claude Haiku 5.5 leads the LLM Stats Score 49.9 to 23.9.

Anthropic · Zhipu AI · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 49.9 to 23.9, ranking #20 overall.

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

Choose Claude Haiku 5.5

  • overall performance matters — it scores 49.9 and ranks #20 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 GLM-4.5-Air

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

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
GLM-4.5-Air
Zhipu AI
Core performance indexes
LLM Stats Score
49.9
#20
23.9
#189
Reasoning
47.5
#25
23.3
#187
Coding
39.2
#15
10.8
#183
Agents
33.8
#33
5.7
#165
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
— / M
Output price
$0.50 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Haiku 5.5
GLM-4.5-Air
Math
29.0#95
22.0#151
Tool use
20.3#66
20.0#71
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 14 for GLM-4.5-Air

No common benchmarks found

Claude Haiku 5.5 and GLM-4.5-Airdon'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 Claude Haiku 5.5 specifies input context (1,000,000 tokens). Only Claude Haiku 5.5 specifies output context (128,000 tokens).

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Zhipu AI
GLM-4.5-Air
Input- tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Haiku 5.5 supports multimodal inputs, whereas GLM-4.5-Air does not.

Claude Haiku 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Haiku 5.5

Text
Images
Audio
Video

GLM-4.5-Air

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Haiku 5.5 is licensed under a proprietary license, while GLM-4.5-Air uses MIT.

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

Claude Haiku 5.5

Proprietary

Closed source

GLM-4.5-Air

MIT

Open weights

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while GLM-4.5-Air was released on 2025-07-28.

Claude Haiku 5.5 is 15 months newer than GLM-4.5-Air.

Claude Haiku 5.5

Oct 7, 2026

2 weeks ago

1.2yr newer
GLM-4.5-Air

Jul 28, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while GLM-4.5-Air's cutoff date is not specified.

We can confirm Claude Haiku 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without GLM-4.5-Air's cutoff date.

Claude Haiku 5.5

Jun 2026

GLM-4.5-Air

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Haiku 5.5 and GLM-4.5-Air side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
GLM-4.5-Air
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs GLM-4.5-Air.

Which is better, Claude Haiku 5.5 or GLM-4.5-Air?

Claude Haiku 5.5 leads the LLM Stats Score 49.9 to 23.9. Claude Haiku 5.5 is made by Anthropic and GLM-4.5-Air is made by Zhipu AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Haiku 5.5 compare to GLM-4.5-Air in benchmarks?

Claude Haiku 5.5 scores Global-MMLU: 87.8%, MILU: 87.6%, BenchCAD (with Python tool): 87.0%, Chartography: 86.2%, SWE-bench Multilingual: 83.7%. GLM-4.5-Air scores MATH-500: 98.1%, AIME 2024: 89.4%, MMLU-Pro: 81.4%, TAU-bench Retail: 77.9%, BFCL-v3: 76.4%.

What are the context window sizes for Claude Haiku 5.5 and GLM-4.5-Air?

Claude Haiku 5.5 supports 1.0M tokens and GLM-4.5-Air supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Haiku 5.5 and GLM-4.5-Air?

Key differences include LLM Stats Score (49.9 vs 23.9), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and GLM-4.5-Air?

Claude Haiku 5.5 is developed by Anthropic and GLM-4.5-Air is developed by Zhipu AI.

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