Grok 4.3 vs Grok Build 0.1
x-ai/grok-4.3 · x-ai/grok-build-0.1
As of October 24, 2026, Grok 4.3 is the cheaper API on UberLLM: $0.2129 per million input tokens and $0.4258 per million output, versus $0.7340 / $1.47 for Grok Build 0.1 — about 71% less on a blended 3:1 token mix. Both are reached through one OpenAI-compatible key and routed to the cheapest healthy seller, with UberLLM's 10% fee already included, so the price you see is the price you pay. Choose Grok 4.3 to cut cost; choose Grok Build 0.1 when its capabilities fit your task better.
Grok 4.3 vs Grok Build 0.1, side by side
| Spec | Grok 4.3 | Grok Build 0.1 |
|---|---|---|
| Price · input / 1M | $0.2129 | $0.7340 |
| Price · output / 1M | $0.4258 | $1.47 |
| Context length | 1,000,000 | 256,000 |
| Max output tokens | 128,000 | 32,768 |
| Input modalities | text, image | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | — |
| Cheapest seller | UberLLM | UberLLM |
| % off list | 83% off | 27% off |
Live prices via UberLLM, routed to the cheapest healthy seller. The price shown includes UberLLM’s 10% fee. Updated October 24, 2026.
Grok 4.3 vs Grok Build 0.1 — FAQ
Is Grok 4.3 or Grok Build 0.1 cheaper?
Grok 4.3 is cheaper on a blended token mix, by about 71%. UberLLM routes every request to the cheapest healthy seller and bills the price shown, with its 10% fee included.
What's the price difference between Grok 4.3 and Grok Build 0.1?
Grok 4.3: $0.2129 in / $0.4258 out per 1M tokens. Grok Build 0.1: $0.7340 in / $1.47 out per 1M tokens. That's roughly a 71% blended difference. Prices are live and include UberLLM's 10% fee.
Can I use both Grok 4.3 and Grok Build 0.1 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.