Compare · ModelsLive · 2 picked · head to head
GLM 5.1 vs Qwen3.5 397B A17B
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GLM 5.1 wins on 4/4 benchmarks
GLM 5.1 wins 4 of 4 shared benchmarks. Leads in speed · arena.
Category leads
speed·GLM 5.1arena·GLM 5.1
Hype vs Reality
Attention vs performance
GLM 5.1
#14 by perf·no signal
Qwen3.5 397B A17B
#3 by perf·no signal
Best value
Qwen3.5 397B A17B
1.7x better value than GLM 5.1
GLM 5.1
34.2 pts/$
$2.05/M
Qwen3.5 397B A17B
57.4 pts/$
$1.36/M
Vendor risk
Who is behind the model
z-ai
private · undisclosed
Alibaba (Qwen)
$293.0B·Tier 1
Head to head
4 benchmarks · 2 models
GLM 5.1Qwen3.5 397B A17B
Artificial Analysis · Agentic Index
GLM 5.1 leads by +11.2
GLM 5.1
67.0
Qwen3.5 397B A17B
55.8
Artificial Analysis · Coding Index
GLM 5.1 leads by +2.1
GLM 5.1
43.4
Qwen3.5 397B A17B
41.3
Artificial Analysis · Quality Index
GLM 5.1 leads by +6.4
GLM 5.1
51.4
Qwen3.5 397B A17B
45.0
Chatbot Arena Elo · Overall
GLM 5.1 leads by +19.7
GLM 5.1
1467.4
Qwen3.5 397B A17B
1447.7
Full benchmark table
| Benchmark | GLM 5.1 | Qwen3.5 397B A17B |
|---|---|---|
Artificial Analysis · Agentic Index | 67.0 | 55.8 |
Artificial Analysis · Coding Index | 43.4 | 41.3 |
Artificial Analysis · Quality Index | 51.4 | 45.0 |
Chatbot Arena Elo · Overall | 1467.4 | 1447.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| GLM 5.1 | $0.95 | $3.15 | 203K tokens (~101 books) | $15.00 |
| Qwen3.5 397B A17B | $0.39 | $2.34 | 262K tokens (~131 books) | $8.78 |
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