Inception: Mercury 2.5 vs GLM 5.3
inception/mercury-2.5 · z-ai/glm-5.3
As of November 5, 2026, GLM 5.3 is the cheaper API on UberLLM: $0.0007 per million input tokens and $0.0139 per million output, versus $0.0460 / $0.1725 for Inception: Mercury 2.5, about 92% 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 Inception: Mercury 2.5 when its capabilities fit your task better.
Inception: Mercury 2.5 vs GLM 5.3, side by side
| Spec | Inception: Mercury 2.5 | GLM 5.3 |
|---|---|---|
| Price · input / 1M | $0.0460 | $0.0007 |
| Price · output / 1M | $0.1725 | $0.0139 |
| Context length | 260,000 | 1,000,000 |
| Max output tokens | 65,536 | 131,072 |
| Input modalities | text | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | — | 99% off |
| First token, median (7 days) | — | 4.2 s (621 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?
Inception: Mercury 2.5 vs GLM 5.3 — FAQ
Is Inception: Mercury 2.5 or GLM 5.3 cheaper?
GLM 5.3 is cheaper on a blended token mix, by about 92%. 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 Inception: Mercury 2.5 and GLM 5.3?
Inception: Mercury 2.5: $0.0460 in / $0.1725 out per 1M tokens. GLM 5.3: $0.0007 in / $0.0139 out per 1M tokens. That's roughly a 92% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Inception: Mercury 2.5 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.