Aion 3.0 vs GLM 5.3
aion-labs/aion-3-0 · z-ai/glm-5.3
As of November 4, 2026, GLM 5.3 is the cheaper API on UberLLM: $0.0009 per million input tokens and $0.0414 per million output, versus $1.05 / $2.10 for Aion 3.0, about 98% 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 5.3 to cut cost; choose Aion 3.0 when its capabilities fit your task better.
Aion 3.0 vs GLM 5.3, side by side
| Spec | Aion 3.0 | GLM 5.3 |
|---|---|---|
| Price · input / 1M | $1.05 | $0.0009 |
| Price · output / 1M | $2.10 | $0.0414 |
| Context length | 128,000 | 1,000,000 |
| Max output tokens | 32,768 | 131,072 |
| Input modalities | text | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 65% off | 99.1% off |
| First token, median (7 days) | — | 4.2 s (620 requests) |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 4, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Aion 3.0 vs GLM 5.3 — FAQ
Is Aion 3.0 or GLM 5.3 cheaper?
GLM 5.3 is cheaper on a blended token mix, by about 98%. 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 Aion 3.0 and GLM 5.3?
Aion 3.0: $1.05 in / $2.10 out per 1M tokens. GLM 5.3: $0.0009 in / $0.0414 out per 1M tokens. That's roughly a 98% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Aion 3.0 and GLM 5.3 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.