GLM 5.2 vs GPT Audio
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GLM 5.2 and GPT Audio.
GLM 5.2
GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
GPT Audio
The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Audio is priced...
Technical Specifications
| Specification | GLM 5.2 | GPT Audio |
|---|---|---|
| Provider | Zhipu AI | OpenAI |
| Context Window | 1,048,576 tokens | 128,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-06-16 | 2026-01-19 |
API Pricing Comparison
Input Price per Million Tokens
GLM 5.2
$0.93
GPT Audio
$2.50
Output Price per Million Tokens
GLM 5.2
$3.00
GPT Audio
$10.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
GLM 5.2 Quirks & Gotchas
No developer gotchas reported.
GPT Audio Quirks & Gotchas
No developer gotchas reported.