DeepSeek V4.1 Flash 1017 vs GPT-5.6 Luna
deepseek/deepseek-v4.1-flash-1017 · openai/gpt-5.6-luna
As of November 2, 2026, GPT-5.6 Luna is the cheaper API on UberLLM: $0.0020 per million input tokens and $0.0121 per million output, versus $0.0059 / $0.0234 for DeepSeek V4.1 Flash 1017, 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 GPT-5.6 Luna to cut cost; choose DeepSeek V4.1 Flash 1017 when its capabilities fit your task better.
DeepSeek V4.1 Flash 1017 vs GPT-5.6 Luna, side by side
| Spec | DeepSeek V4.1 Flash 1017 | GPT-5.6 Luna |
|---|---|---|
| Price · input / 1M | $0.0059 | $0.0020 |
| Price · output / 1M | $0.0234 | $0.0121 |
| Context length | 1,048,576 | 1,050,000 |
| Max output tokens | 393,216 | 128,000 |
| Input modalities | text, image | text, image, file |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 98.1% off | 99% off |
| First token, median (7 days) | 3.1 s (35,302 requests) | — |
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?
DeepSeek V4.1 Flash 1017 vs GPT-5.6 Luna — FAQ
Is DeepSeek V4.1 Flash 1017 or GPT-5.6 Luna cheaper?
GPT-5.6 Luna 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 DeepSeek V4.1 Flash 1017 and GPT-5.6 Luna?
DeepSeek V4.1 Flash 1017: $0.0059 in / $0.0234 out per 1M tokens. GPT-5.6 Luna: $0.0020 in / $0.0121 out per 1M tokens. That's roughly a 50% blended difference. Prices are live; UberLLM adds no fee.
Can I use both DeepSeek V4.1 Flash 1017 and GPT-5.6 Luna 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.