Compare · ModelsLive · 2 picked · head to head
GLM 5.2 vs Claude Fable 5
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Fable 5 wins on 5/5 benchmarks
Claude Fable 5 wins 5 of 5 shared benchmarks. Leads in speed · arena.
Category leads
speed·Claude Fable 5arena·Claude Fable 5
Hype vs Reality
Attention vs performance
GLM 5.2
#11 by perf·no signal
Claude Fable 5
#12 by perf·no signal
Best value
GLM 5.2
12.3x better value than Claude Fable 5
GLM 5.2
30.5 pts/$
$2.50/M
Claude Fable 5
2.5 pts/$
$30.00/M
Vendor risk
Who is behind the model
z-ai
private · undisclosed
Anthropic
$380.0B·Tier 1
Head to head
5 benchmarks · 2 models
GLM 5.2Claude Fable 5
Artificial Analysis · Agentic Index
Claude Fable 5 leads by +9.8
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 5.2
43.1
Claude Fable 5
52.8
Artificial Analysis · Coding Index
Claude Fable 5 leads by +7.7
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 5.2
68.8
Claude Fable 5
76.5
Artificial Analysis · Quality Index
Claude Fable 5 leads by +8.8
GLM 5.2
51.1
Claude Fable 5
59.9
Chatbot Arena Elo · Coding
Claude Fable 5 leads by +60.7
GLM 5.2
1593.3
Claude Fable 5
1653.9
Chatbot Arena Elo · Overall
Claude Fable 5 leads by +36.6
GLM 5.2
1471.0
Claude Fable 5
1507.6
Full benchmark table
| Benchmark | GLM 5.2 | Claude Fable 5 |
|---|---|---|
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?" | 43.1 | 52.8 |
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. | 68.8 | 76.5 |
Artificial Analysis · Quality Index | 51.1 | 59.9 |
Chatbot Arena Elo · Coding | 1593.3 | 1653.9 |
Chatbot Arena Elo · Overall | 1471.0 | 1507.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.00 | $4.00 | 1.0M tokens (~524 books) | $17.50 | |
| $10.00 | $50.00 | 1.0M tokens (~500 books) | $200.00 |