Is o3 cheaper than GLM-5?
No, GLM-5 is currently cheaper. Its starting input price is $0.111/1M tokens compared to o3's $0.4/1M tokens.
o3
Starting at $0.4/1M tkns
VS
GLM-5
Starting at $0.111/1M tkns
AI Overview: TL;DR
When comparing o3 and GLM-5 API pricing for 2026, GLM-5 is the more cost-effective option for basic input queries. It is approximately 72% cheaper starting at $0.111/1M tokens. However, your choice should also factor in context window limits (200k vs 128k) and supported modalities.
Technical Specifications & Pricing Table
| Feature | o3 | GLM-5 |
|---|---|---|
| Starting Input Price | $0.4 / 1M tokens | $0.111 / 1M tokens |
| Model Category | GPT | GLM |
| Max Context Window | 200k tokens | 128k tokens |
| Supported Modalities | text, image | text, image |
| Routed Channels Count | 6 channels | 3 channels |
Frequently Asked Questions
Which model has a larger context window?
o3 supports a maximum input context of 200,000 tokens, while GLM-5 supports 128,000 tokens.