Anthropic: Claude Sonnet 5 vs Z.ai: GLM 5.2
anthropic vs z-ai
On price, Z.ai: GLM 5.2 is cheaper (blended cost is about 0.43× that of Anthropic: Claude Sonnet 5).
On capability, Anthropic: Claude Sonnet 5 has the higher intelligence index (38) — better for complex reasoning.
Verdict: pick Z.ai: GLM 5.2 on a budget, or Anthropic: Claude Sonnet 5 for output quality. Full details below.
Side-by-Side Specs
| Metric | Anthropic: Claude Sonnet 5 | Z.ai: GLM 5.2 |
|---|---|---|
| Input /1M | $2.00 | $0.01 |
| Output /1M | $10.00 | $6.80 |
| Blended (3:1) | $4.00 | $1.70 |
| Context | 1.0M | 1.0M |
| Intelligence | 38 | 34 |
| Coding | 72 | 69 |
| Math | — | — |
| Speed | 74 tok/s | 93 tok/s |
| CPS Grade | A | A |
FAQ
Which is cheaper, Anthropic: Claude Sonnet 5 or Z.ai: GLM 5.2?
On price, Z.ai: GLM 5.2 is cheaper (blended cost is about 0.43× that of Anthropic: Claude Sonnet 5). Anthropic: Claude Sonnet 5: $2 in / $10 out; Z.ai: GLM 5.2: $0.006 in / $6.8 out (per 1M tokens).
Which is smarter, Anthropic: Claude Sonnet 5 or Z.ai: GLM 5.2?
On capability, Anthropic: Claude Sonnet 5 has the higher intelligence index (38) — better for complex reasoning. Coding index: Anthropic: Claude Sonnet 5 72 vs Z.ai: GLM 5.2 69.
Which one should I choose?
Verdict: pick Z.ai: GLM 5.2 on a budget, or Anthropic: Claude Sonnet 5 for output quality. Full details below.