token.app › Compare › GPT Audio vs GLM 5.2
GPT Audio vs GLM 5.2
GLM 5.2 is 11× cheaper per token on a blended 3:1 basis. GLM 5.2 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| GPT Audio | GLM 5.2 | |
|---|---|---|
| Provider | OpenAI | Zhipu AI |
| Input $/1M | $2.50 | $0.252 |
| Output $/1M | $10.00 | $0.792 |
| Blended $/1M | $4.38 | $0.387 |
| Context window | 128K | 1.0M |
| Max output | 16K | 128K |
| Released | Jan 2026 | Jun 2026 |
| Licence | Proprietary | Open weights |
Choose GPT Audio if…
- No clear advantage on the data we hold.
Choose GLM 5.2 if…
- Costs less per token — $0.387 vs $4.38 blended
- Larger context window (1.0M)
- Open weights — self-hostable
- Newer model (released Jun 2026)
FAQ
Which is better, GPT Audio or GLM 5.2?
We do not hold independently-run benchmark scores covering both GPT Audio and GLM 5.2, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT Audio cheaper than GLM 5.2?
GLM 5.2 is cheaper: $0.387 versus $4.38 per million tokens blended at 3:1 input:output. Input alone: $2.50 vs $0.252. Output alone: $10.00 vs $0.792.
What context windows do GPT Audio and GLM 5.2 have?
GPT Audio: 128,000 tokens. GLM 5.2: 1,048,576 tokens.
Who makes GPT Audio and GLM 5.2?
GPT Audio is made by OpenAI. GLM 5.2 is made by Zhipu AI.