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GLM-5.1 vs Qwen3.7-Plus

SpecGLM-5.1Qwen3.7-Plus
Respan Index36.6 (#66)36.6 (#66)
Blended price per 1M$1.34$0.403
Context window200K1M
Input / output per 1M$0.825 / $2.9$0.23 / $0.92
Max output131K-
Inputtexttext, vision
Released2026-04-072026-05-26

Respan Index by category

Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.

CategoryGLM-5.1Qwen3.7-Plus
Coding13.0 GLM-5.115.3* Qwen3.7-Plus
Agents53.9 GLM-5.150.4 Qwen3.7-Plus
Reasoning33.7 GLM-5.135.2 Qwen3.7-Plus
Knowledge & language34.0 GLM-5.133.2* Qwen3.7-Plus
Human preference53.6 GLM-5.153.7 Qwen3.7-Plus

* Estimated: no published scores in that category. How the Respan Index works

Benchmarks both report

GLM-5.1 leads on 3 of the 5 benchmarks both report. Higher is better. Each score links to where it was published.

BenchmarkGLM-5.1Qwen3.7-Plus
Chess Puzzles (Epoch AI)20%24%
LMArena Elo14651456
FrontierMath Tiers 1-3 v2 (Epoch AI)36.8%34.4%
GPQA Diamond89.9%87.9%
OTIS Mock AIME 2024-2025 (Epoch AI)93.3%93.3%

FAQ

Is GLM-5.1 better than Qwen3.7-Plus?

GLM-5.1 and Qwen3.7-Plus tie on the Respan Index at 36.6. GLM-5.1 leads on 3 of the 5 benchmarks both report.

Which is cheaper, GLM-5.1 or Qwen3.7-Plus?

GLM-5.1 lists at $0.825 input and $2.9 output per 1M tokens; Qwen3.7-Plus at $0.23 and $0.92. Qwen3.7-Plus is 3.3x cheaper per token at list price.

Which has the larger context window?

GLM-5.1 accepts 200K tokens and Qwen3.7-Plus 1M tokens.

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