Claude Fable 5 vs GLM-5.3
Claude Fable 5 wins 3 of 4 shared jobs. 1 is too close to call.
Score by job
Scores run from 0 to 100 within each job. A gap under 3 points is too close to call. ~ marks an early read from too few benchmarks to rank. How scores work
At a glance
| Detail | Claude Fable 5 | GLM-5.3 |
|---|---|---|
| Maker | Anthropic | Z.ai (Zhipu AI) |
| Released | Jun 9, 2026 | Aug 14, 2026 |
| Weights | Closed | Closed |
| Price per 1M tokens | $10 in · $50 out | $1.40 in · $4.40 out |
| Overall rank | #4 | #11 |