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Beam 1.0 vs GLM-4.5-Air

Beam 1.0 leads the LLM Stats Score 44.6 to 23.9.

Reflection AI · Zhipu AI · Updated for 2026

Which is better?

Beam 1.0 leads the overall LLM Stats Score 44.6 to 23.9, ranking #46 overall.

In the 6 individual benchmarks reported for both models, Beam 1.0 wins 6; this is a narrower head-to-head signal than the composite indexes.

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

Choose Beam 1.0

  • overall performance matters — it scores 44.6 and ranks #46 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 6 of 6 exact shared results
  • you want the most recent training data — it shipped Oct 2026

Choose GLM-4.5-Air

  • you are already invested in the Zhipu AI ecosystem

At a glance

The differences that matter most.

Core performance indexes
44.6
#46
23.9
#189
45.5
#37
23.3
#187
33.7
#39
10.8
#183
28.8
#53
5.7
#165
Cost, coverage & limits
Benchmark wins
6 of 6
0 of 6
Input price
$0.40 / M
— / M
Output price
$1.20 / M
— / M
Context window
1,048,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Beam 1.0
GLM-4.5-Air
35.1#45
22.0#151
26.4#32
20.0#71
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for Beam 1.0 · 14 for GLM-4.5-Air

6 shared

Beam 1.0 outperforms in 6 benchmarks (BrowseComp, GPQA, Humanity's Last Exam, LiveCodeBench, SciCode, SWE-Bench Verified), while GLM-4.5-Air is better at 0 benchmarks.

Beam 1.0 significantly outperforms across most benchmarks.

Thu Oct 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

395.3B diff

Beam 1.0 has 395.3B more parameters than GLM-4.5-Air, making it 372.9% larger.

Reflection AI
Beam 1.0
501.3Bparameters
Zhipu AI
GLM-4.5-Air
106.0Bparameters
501.3B
Beam 1.0
106.0B
GLM-4.5-Air

Context Window

Maximum input and output token capacity

Only Beam 1.0 specifies input context (1,048,576 tokens). Only Beam 1.0 specifies output context (131,072 tokens).

Reflection AI
Beam 1.0
Input1,048,576 tokens
Output131,072 tokens
Zhipu AI
GLM-4.5-Air
Input- tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

License

Usage and distribution terms

Beam 1.0 is licensed under Apache 2.0, while GLM-4.5-Air uses MIT.

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

Beam 1.0

Apache 2.0

Open weights

GLM-4.5-Air

MIT

Open weights

Release Timeline

When each model was launched

Beam 1.0 was released on 2026-10-16, while GLM-4.5-Air was released on 2025-07-28.

Beam 1.0 is 15 months newer than GLM-4.5-Air.

Beam 1.0

Oct 16, 2026

3 days ago

1.2yr newer
GLM-4.5-Air

Jul 28, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

Beam 1.0 has a documented knowledge cutoff of 2026-06-30, while GLM-4.5-Air's cutoff date is not specified.

We can confirm Beam 1.0's training data extends to 2026-06-30, but cannot make a direct comparison without GLM-4.5-Air's cutoff date.

Beam 1.0

Jun 2026

GLM-4.5-Air

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Beam 1.0 and GLM-4.5-Air side-by-side, then vote on the output you prefer.

Beam 1.0
✓ Preferred
GLM-4.5-Air
Open in Playground

FAQ

Common questions about Beam 1.0 vs GLM-4.5-Air.

Which is better, Beam 1.0 or GLM-4.5-Air?

Beam 1.0 leads the LLM Stats Score 44.6 to 23.9. Beam 1.0 is made by Reflection AI 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 Beam 1.0 compare to GLM-4.5-Air in benchmarks?

Beam 1.0 scores AIME 2026: 97.7%, GPQA: 90.6%, LiveCodeBench: 88.3%, SWE-Bench Verified: 81.6%, MCP Atlas: 80.8%. 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 Beam 1.0 and GLM-4.5-Air?

Beam 1.0 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 Beam 1.0 and GLM-4.5-Air?

Key differences include LLM Stats Score (44.6 vs 23.9), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Beam 1.0 and GLM-4.5-Air?

Beam 1.0 is developed by Reflection AI and GLM-4.5-Air is developed by Zhipu AI.