This comparison focuses on what changes the actual build: cost, compatibility, required specs, caveats, and verification age. It does not rank providers by affiliate status or popularity. Updated 2026-07-14.
At a glance
Token cost at moderate daily use. Full comparison below. Both prices carry a source and date; ranking never depends on affiliate status.
Specifications
| GLM-4.6V vendor · 9d | GPT-5.5 vendor · 17d | |
|---|---|---|
| Provider | Z.ai | OpenAI |
| API format | openai | openai |
| Restricted access | No | No |
| Context window | 131072 | — |
| Capabilities | Vision, Tools, Thinking | Vision, Tools, Thinking |
| Class | standard | premium |
Cost at three usage tiers
| A few questions and small tasks each day. | $2.61/mo | $57.00/mo |
| Daily use, plus some scheduled tasks. | $8.70/mo | $190.00/mo |
| Working for you most of the day, including web tasks. | $26.10/mo | $570.00/mo |
Token cost only; add a host for the full-stack estimate.
What others don't publish
GLM-4.6V
No unique caveat on file.
GPT-5.5
No unique caveat on file.