DeepSeek V4 Pro vs GPT 5.4 Nano
deepseek/deepseek-v4-pro · openai/gpt-5.4-nano
As of November 5, 2026, DeepSeek V4 Pro is the cheaper API on UberLLM: $0.0062 per million input tokens and $0.0125 per million output, versus $0.0387 / $0.2419 for GPT 5.4 Nano, about 94% 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 DeepSeek V4 Pro to cut cost; choose GPT 5.4 Nano when its capabilities fit your task better.
DeepSeek V4 Pro vs GPT 5.4 Nano, side by side
| Spec | DeepSeek V4 Pro | GPT 5.4 Nano |
|---|---|---|
| Price · input / 1M | $0.0062 | $0.0387 |
| Price · output / 1M | $0.0125 | $0.2419 |
| Context length | 1,000,000 | 400,000 |
| Max output tokens | 128,000 | 128,000 |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | — | Yes |
| Reasoning | Yes | Yes |
| % off list | 99.6% off | 80.7% off |
| First token, median (7 days) | 5.4 s (201 requests) | — |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 5, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
DeepSeek V4 Pro vs GPT 5.4 Nano — FAQ
Is DeepSeek V4 Pro or GPT 5.4 Nano cheaper?
DeepSeek V4 Pro is cheaper on a blended token mix, by about 94%. 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 DeepSeek V4 Pro and GPT 5.4 Nano?
DeepSeek V4 Pro: $0.0062 in / $0.0125 out per 1M tokens. GPT 5.4 Nano: $0.0387 in / $0.2419 out per 1M tokens. That's roughly a 94% blended difference. Prices are live; UberLLM adds no fee.
Can I use both DeepSeek V4 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.