Compare · ModelsLive · 2 picked · head to head
GLM 5.1 vs GLM 5 Turbo
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GLM 5.1 wins on 2/3 benchmarks
GLM 5.1 wins 2 of 3 shared benchmarks. Leads in speed.
Category leads
speed·GLM 5.1
Hype vs Reality
Attention vs performance
GLM 5.1
#16 by perf·no signal
GLM 5 Turbo
no bench·no signal
Vendor risk
Who is behind the model
z-ai
private · undisclosed
z-ai
private · undisclosed
Head to head
3 benchmarks · 2 models
GLM 5.1GLM 5 Turbo
Artificial Analysis · Agentic Index
GLM 5.1 leads by +3.9
Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?"
GLM 5.1
67.0
GLM 5 Turbo
63.1
Artificial Analysis · Coding Index
GLM 5 Turbo leads by +0.8
Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads.
GLM 5.1
43.4
GLM 5 Turbo
44.2
Artificial Analysis · Quality Index
GLM 5.1 leads by +1.6
GLM 5.1
51.4
GLM 5 Turbo
49.8
Full benchmark table
| Benchmark | GLM 5.1 | GLM 5 Turbo |
|---|---|---|
Artificial Analysis · Agentic Index Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?" | 67.0 | 63.1 |
Artificial Analysis · Coding Index Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads. | 43.4 | 44.2 |
Artificial Analysis · Quality Index | 51.4 | 49.8 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.05 | $3.50 | 203K tokens (~101 books) | $16.63 | |
| $1.20 | $4.00 | 203K tokens (~101 books) | $19.00 |