Gemini 3.1 Flash Lite vs Grok 4.3
google/gemini-3.1-flash-lite · x-ai/grok-4.3
As of November 7, 2026, Gemini 3.1 Flash Lite is the cheaper API on UberLLM: $0.0023 per million input tokens and $0.0137 per million output, versus $0.0124 / $0.0248 for Grok 4.3, about 50% 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 Gemini 3.1 Flash Lite to cut cost; choose Grok 4.3 when its capabilities fit your task better.
Gemini 3.1 Flash Lite vs Grok 4.3, side by side
| Spec | Gemini 3.1 Flash Lite | Grok 4.3 |
|---|---|---|
| Price · input / 1M | $0.0023 | $0.0124 |
| Price · output / 1M | $0.0137 | $0.0248 |
| Context length | 1,048,576 | 1,000,000 |
| Max output tokens | 65,536 | 128,000 |
| Input modalities | text, image | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | — | Yes |
| % off list | 99.1% off | 99% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 7, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Gemini 3.1 Flash Lite vs Grok 4.3 — FAQ
Is Gemini 3.1 Flash Lite or Grok 4.3 cheaper?
Gemini 3.1 Flash Lite is cheaper on a blended token mix, by about 50%. 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 Gemini 3.1 Flash Lite and Grok 4.3?
Gemini 3.1 Flash Lite: $0.0023 in / $0.0137 out per 1M tokens. Grok 4.3: $0.0124 in / $0.0248 out per 1M tokens. That's roughly a 50% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Gemini 3.1 Flash Lite and Grok 4.3 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.