Qwen 3.8 Max vs Grok 4.20 Beta
qwen/qwen-3-8-max · x-ai/grok-4.20-beta
As of November 3, 2026, Qwen 3.8 Max is the cheaper API on UberLLM: $0.1212 per million input tokens and $0.3638 per million output, versus $0.1750 / $0.3500 for Grok 4.20 Beta, about 1% 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 Qwen 3.8 Max to cut cost; choose Grok 4.20 Beta when context size wins. Grok 4.20 Beta carries the larger context window (2,000,000 vs 1,000,000 tokens), which can matter for long-document work.
Qwen 3.8 Max vs Grok 4.20 Beta, side by side
| Spec | Qwen 3.8 Max | Grok 4.20 Beta |
|---|---|---|
| Price · input / 1M | $0.1212 | $0.1750 |
| Price · output / 1M | $0.3638 | $0.3500 |
| Context length | 1,000,000 | 2,000,000 |
| Max output tokens | 131,072 | 128,000 |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | — | Yes |
| Reasoning | Yes | Yes |
| % off list | 95.2% off | 86% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 3, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Qwen 3.8 Max vs Grok 4.20 Beta — FAQ
Is Qwen 3.8 Max or Grok 4.20 Beta cheaper?
Qwen 3.8 Max is cheaper on a blended token mix, by about 1%. 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 Qwen 3.8 Max and Grok 4.20 Beta?
Qwen 3.8 Max: $0.1212 in / $0.3638 out per 1M tokens. Grok 4.20 Beta: $0.1750 in / $0.3500 out per 1M tokens. That's roughly a 1% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Qwen 3.8 Max and Grok 4.20 Beta 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.