DeepSeek V4.1 Flash vs GPT-5.6 Sol
deepseek/deepseek-v4.1-flash · openai/gpt-5.6-sol
As of November 1, 2026, DeepSeek V4.1 Flash is the cheaper API on UberLLM: $0.0002 per million input tokens and $0.0014 per million output, versus $0.0793 / $0.3967 for GPT-5.6 Sol, about 100% 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 V4.1 Flash to cut cost; choose GPT-5.6 Sol when context size wins. GPT-5.6 Sol carries the larger context window (1,050,000 vs 1,048,576 tokens), which can matter for long-document work.
DeepSeek V4.1 Flash vs GPT-5.6 Sol, side by side
| Spec | DeepSeek V4.1 Flash | GPT-5.6 Sol |
|---|---|---|
| Price · input / 1M | $0.0002 | $0.0793 |
| Price · output / 1M | $0.0014 | $0.3967 |
| Context length | 1,048,576 | 1,050,000 |
| Max output tokens | 384,000 | 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 | 99.7% off | 98% off |
| First token, median (7 days) | 5.0 s (4,042 requests) | — |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 1, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
DeepSeek V4.1 Flash vs GPT-5.6 Sol — FAQ
Is DeepSeek V4.1 Flash or GPT-5.6 Sol cheaper?
DeepSeek V4.1 Flash is cheaper on a blended token mix, by about 100%. 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 and GPT-5.6 Sol?
DeepSeek V4.1 Flash: $0.0002 in / $0.0014 out per 1M tokens. GPT-5.6 Sol: $0.0793 in / $0.3967 out per 1M tokens. That's roughly a 100% blended difference. Prices are live; UberLLM adds no fee.
Can I use both DeepSeek V4.1 Flash and GPT-5.6 Sol 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.