OpenAI: GPT-6.1 Terra vs Grok 4.20 Multi-Agent Beta
openai/gpt-6.1-terra · x-ai/grok-4.20-multi-agent-beta
As of November 1, 2026, OpenAI: GPT-6.1 Terra is the cheaper API on UberLLM: $0.0565 per million input tokens and $0.2825 per million output, versus $0.6219 / $1.24 for Grok 4.20 Multi-Agent Beta, about 79% less when output is 3 tokens for every input token. These are the median prices buyers paid over the last 24 hours. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose OpenAI: GPT-6.1 Terra to cut cost; choose Grok 4.20 Multi-Agent Beta when context size wins. Grok 4.20 Multi-Agent Beta carries the larger context window (2,000,000 vs 1,050,000 tokens), which can matter for long-document work.
OpenAI: GPT-6.1 Terra vs Grok 4.20 Multi-Agent Beta, side by side
| Spec | OpenAI: GPT-6.1 Terra | Grok 4.20 Multi-Agent Beta |
|---|---|---|
| Price · input / 1M | $0.0565 | $0.6219 |
| Price · output / 1M | $0.2825 | $1.24 |
| Context length | 1,050,000 | 2,000,000 |
| Max output tokens | 128,000 | 128,000 |
| Input modalities | text, image, file | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | — |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 94% off | 50% off |
Median prices buyers paid on UberLLM over the last 24 hours. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 1, 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 Grok 4.20 Multi-Agent Beta — FAQ
Is OpenAI: GPT-6.1 Terra or Grok 4.20 Multi-Agent Beta cheaper?
OpenAI: GPT-6.1 Terra is cheaper on a blended token mix, by about 79%. 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 Grok 4.20 Multi-Agent Beta?
OpenAI: GPT-6.1 Terra: $0.0565 in / $0.2825 out per 1M tokens. Grok 4.20 Multi-Agent Beta: $0.6219 in / $1.24 out per 1M tokens. That's roughly a 79% blended difference. Prices are live; UberLLM adds no fee.
Can I use both OpenAI: GPT-6.1 Terra and Grok 4.20 Multi-Agent 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.