Particle AI: Particle-1 vs Grok 4.20 Multi-Agent Beta
particle-ai/particle-1 · x-ai/grok-4.20-multi-agent-beta
As of November 1, 2026, Particle AI: Particle-1 is the cheaper API on UberLLM: $0.0495 per million input tokens and $0.4950 per million output, versus $0.6200 / $1.24 for Grok 4.20 Multi-Agent Beta, about 65% 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 Particle AI: Particle-1 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 1,048,576 tokens), which can matter for long-document work.
Particle AI: Particle-1 vs Grok 4.20 Multi-Agent Beta, side by side
| Spec | Particle AI: Particle-1 | Grok 4.20 Multi-Agent Beta |
|---|---|---|
| Price · input / 1M | $0.0495 | $0.6200 |
| Price · output / 1M | $0.4950 | $1.24 |
| Context length | 1,048,576 | 2,000,000 |
| Max output tokens | 131,072 | 128,000 |
| Input modalities | text, image | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | — |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 1% off | 50.4% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 1, 2026.
Particle AI: Particle-1 vs Grok 4.20 Multi-Agent Beta — FAQ
Is Particle AI: Particle-1 or Grok 4.20 Multi-Agent Beta cheaper?
Particle AI: Particle-1 is cheaper on a blended token mix, by about 65%. 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 Particle AI: Particle-1 and Grok 4.20 Multi-Agent Beta?
Particle AI: Particle-1: $0.0495 in / $0.4950 out per 1M tokens. Grok 4.20 Multi-Agent Beta: $0.6200 in / $1.24 out per 1M tokens. That's roughly a 65% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Particle AI: Particle-1 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.