GLM-5.1 vs Qwen3 VL 4B Instruct: Specs & Benchmark Comparison

CharacteristicGLM-5.1Qwen3 VL 4B Instruct
CompanyZhipu AIAlibaba
Release DateApril 7, 2026September 22, 2025
Parameters754B4B
MultimodalNoYes
Context (input)200K262K
Context (output)131K262K
Input Price / 1M$1.40$0.10
Output Price / 1M$4.40$0.60
Average Score0.90.9

Verdict

Qwen3 VL 4B Instruct leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: GLM-5.1 — 0.9, Qwen3 VL 4B Instruct — 0.9.

API Cost

Qwen3 VL 4B Instruct is 8.3x cheaper: input $0.10/1M vs $1.40/1M tokens.

Context Window

Qwen3 VL 4B Instruct supports a larger context: 262K vs 200K tokens.

Recency

GLM-5.1 is newer: released 4/7/2026 vs 9/22/2025.

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Frequently Asked Questions

Which is better for coding — GLM-5.1 or Qwen3 VL 4B Instruct?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GLM-5.1 or Qwen3 VL 4B Instruct?
Qwen3 VL 4B Instruct is cheaper for input: $0.10 per 1M tokens vs $1.40.
Which has a larger context window — GLM-5.1 or Qwen3 VL 4B Instruct?
Qwen3 VL 4B Instruct supports a larger context: 262,144 tokens vs 200,000.

The GLM-5.1 and Qwen3 VL 4B Instruct comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5.1 or Qwen3 VL 4B Instruct page. See also the complete list of AI model comparisons.