Gemini 3.1 Pro vs Google: Gemini 4 Argon
google/gemini-3.1-pro · google/gemini-4-argon
As of November 6, 2026, Google: Gemini 4 Argon is the cheaper API on UberLLM: $0.0100 per million input tokens and $0.0500 per million output, versus $0.2196 / $1.32 for Gemini 3.1 Pro, about 96% 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 Google: Gemini 4 Argon to cut cost; choose Gemini 3.1 Pro when its capabilities fit your task better.
Gemini 3.1 Pro vs Google: Gemini 4 Argon, side by side
| Spec | Gemini 3.1 Pro | Google: Gemini 4 Argon |
|---|---|---|
| Price · input / 1M | $0.2196 | $0.0100 |
| Price · output / 1M | $1.32 | $0.0500 |
| Context length | 1,048,576 | 1,048,576 |
| Max output tokens | 65,536 | 65,536 |
| Input modalities | text, image | text, image, video, audio, file |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | — | 99.5% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 6, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Gemini 3.1 Pro vs Google: Gemini 4 Argon — FAQ
Is Gemini 3.1 Pro or Google: Gemini 4 Argon cheaper?
Google: Gemini 4 Argon is cheaper on a blended token mix, by about 96%. 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 Pro and Google: Gemini 4 Argon?
Gemini 3.1 Pro: $0.2196 in / $1.32 out per 1M tokens. Google: Gemini 4 Argon: $0.0100 in / $0.0500 out per 1M tokens. That's roughly a 96% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Gemini 3.1 Pro and Google: Gemini 4 Argon 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.