Composer 2 vs GLM-4.5-Air

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Benchmark data for one or both models is coming soon. This page currently shows metadata and pricing where BenchLM has it, and score-level comparisons will populate as public benchmark results land.

BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.

Composer 2 has the larger context window at 200K, compared with 128K for GLM-4.5-Air.

Quick Verdict

Benchmark data for Composer 2 and GLM-4.5-Air is coming soon on BenchLM.

Agentic

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

61.7%
Terminal-Bench 2.0
Coming soon

Coding

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

73.7%
SWE Multilingual
Coming soon
97.2%
React Native Evals
Coming soon
Coming soon
SWE-Rebench
38.3%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Coming soon

Benchmark data for this category is coming soon.

Knowledge

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
SimpleQA
33%

Instruction Following

Coming soon

Benchmark data for this category is coming soon.

Multilingual

Coming soon

Benchmark data for this category is coming soon.

Mathematics

Coming soon

Benchmark data for this category is coming soon.

Frequently Asked Questions

Can I compare Composer 2 and GLM-4.5-Air on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Composer 2 and GLM-4.5-Air today?

Composer 2: $0.50 input / $2.50 output per 1M tokens GLM-4.5-Air: Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Last updated: March 18, 2026

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