Gemini 2.5 Pro vs GPT 5.4 Nano
google/gemini-2.5-pro · openai/gpt-5.4-nano
As of November 2, 2026, GPT 5.4 Nano is the cheaper API on UberLLM: $0.0396 per million input tokens and $0.2475 per million output, versus $0.3000 / $2.40 for Gemini 2.5 Pro, about 90% 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 GPT 5.4 Nano to cut cost; choose Gemini 2.5 Pro when context size wins. Gemini 2.5 Pro carries the larger context window (1,048,576 vs 400,000 tokens), which can matter for long-document work.
Gemini 2.5 Pro vs GPT 5.4 Nano, side by side
| Spec | Gemini 2.5 Pro | GPT 5.4 Nano |
|---|---|---|
| Price · input / 1M | $0.3000 | $0.0396 |
| Price · output / 1M | $2.40 | $0.2475 |
| Context length | 1,048,576 | 400,000 |
| 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 | Yes |
| % off list | 76% off | 80.2% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 2, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Gemini 2.5 Pro vs GPT 5.4 Nano — FAQ
Is Gemini 2.5 Pro or GPT 5.4 Nano cheaper?
GPT 5.4 Nano is cheaper on a blended token mix, by about 90%. 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 2.5 Pro and GPT 5.4 Nano?
Gemini 2.5 Pro: $0.3000 in / $2.40 out per 1M tokens. GPT 5.4 Nano: $0.0396 in / $0.2475 out per 1M tokens. That's roughly a 90% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Gemini 2.5 Pro and GPT 5.4 Nano 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.