GLM-5.3 vs Qwen3.6 Plus: Specs & Benchmark Comparison

GLM-5.3 is developed by Zhipu AI, while Qwen3.6 Plus comes from Alibaba. Qwen3.6 Plus was released in March 2026, and GLM-5.3 followed 5 months later in August 2026. GLM-5.3 has a published size of about 753 billion parameters; Alibaba has not disclosed the parameter count of Qwen3.6 Plus.

The two models share 4 published benchmarks. GLM-5.3 leads on 4 of them. The widest gaps are on FrontierSWE, where GLM-5.3 scores 78.0% against 22.0%; Humanity's Last Exam, where GLM-5.3 scores 62.5% against 28.8%. Averaged across everything we track, GLM-5.3 sits at 52.2% and Qwen3.6 Plus at 74.5%.

Qwen3.6 Plus is the cheaper API at $0.50 per million input tokens and $3 per million output tokens, roughly 3 times cheaper than GLM-5.3 at $1.40 and $4.40. Both accept a context window of about 1M tokens. GLM-5.3 accepts text as input, while Qwen3.6 Plus accepts text and images.

CharacteristicGLM-5.3Qwen3.6 Plus
CompanyZhipu AIAlibaba
Release DateAugust 14, 2026March 31, 2026
Parameters753B
MultimodalNoYes
Context (input)1.0M1.0M
Context (output)131K66K
Input Price / 1M$1.40$0.50
Output Price / 1M$4.40$3.00
Average Score52.2%74.5%
Benchmarks
FrontierSWE78.0%22.0%
Humanity's Last Exam62.5%28.8%
Toolathlon73.0%39.8%
NL2Repo58.0%37.9%

Visual Benchmark Comparison

GLM-5.3
Qwen3.6 Plus
FrontierSWE0.8 vs 0.2
0.8
0.2
Humanity's Last Exam0.6 vs 0.3
0.6
0.3
Toolathlon0.7 vs 0.4
0.7
0.4
NL2Repo0.6 vs 0.4
0.6
0.4

Verdict

GLM-5.3 leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: GLM-5.3 — 0.5, Qwen3.6 Plus — 0.7.

API Cost

Qwen3.6 Plus is 1.7x cheaper: input $0.50/1M vs $1.40/1M tokens.

Context Window

GLM-5.3 supports a larger context: 1M vs 1M tokens.

Recency

GLM-5.3 is newer: released 8/14/2026 vs 3/31/2026.

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Frequently Asked Questions

Which is better for coding — GLM-5.3 or Qwen3.6 Plus?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GLM-5.3 or Qwen3.6 Plus?
Qwen3.6 Plus is cheaper for input: $0.50 per 1M tokens vs $1.40.
Which has a larger context window — GLM-5.3 or Qwen3.6 Plus?
GLM-5.3 supports a larger context: 1,048,576 tokens vs 1,000,000.

The GLM-5.3 and Qwen3.6 Plus comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5.3 or Qwen3.6 Plus page. See also the complete list of AI model comparisons.