OpenAI: GPT-6.1 Terra vs GLM 4.5
openai/gpt-6.1-terra · z-ai/glm-4.5
As of November 5, 2026, GLM 4.5 is the cheaper API on UberLLM: $0.0059 per million input tokens and $0.0216 per million output, versus $0.0285 / $0.1426 for OpenAI: GPT-6.1 Terra, about 85% less when output is 3 tokens for every input token. These are the best prices on the market right now. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose GLM 4.5 to cut cost; choose OpenAI: GPT-6.1 Terra when context size wins. OpenAI: GPT-6.1 Terra carries the larger context window (1,050,000 vs 128,000 tokens), which can matter for long-document work.
OpenAI: GPT-6.1 Terra vs GLM 4.5, side by side
| Spec | OpenAI: GPT-6.1 Terra | GLM 4.5 |
|---|---|---|
| Price · input / 1M | $0.0285 | $0.0059 |
| Price · output / 1M | $0.1426 | $0.0216 |
| Context length | 1,050,000 | 128,000 |
| Max output tokens | 128,000 | 32,768 |
| Input modalities | text, image, file | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | — |
| Reasoning | Yes | Yes |
| % off list | 97.2% off | 99% off |
| First token, median (7 days) | 1.7 s (104 requests) | — |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 5, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
OpenAI: GPT-6.1 Terra vs GLM 4.5 — FAQ
Is OpenAI: GPT-6.1 Terra or GLM 4.5 cheaper?
GLM 4.5 is cheaper on a blended token mix, by about 85%. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between OpenAI: GPT-6.1 Terra and GLM 4.5?
OpenAI: GPT-6.1 Terra: $0.0285 in / $0.1426 out per 1M tokens. GLM 4.5: $0.0059 in / $0.0216 out per 1M tokens. That's roughly a 85% blended difference. Prices are live; UberLLM adds no fee.
Can I use both OpenAI: GPT-6.1 Terra and GLM 4.5 with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.