Claude Sonnet 5.5 vs DeepSeek V4.1 Flash Uncensored
anthropic/claude-sonnet-5.5 · deepseek/deepseek-v4.1-flash-uncensored
As of October 28, 2026, DeepSeek V4.1 Flash Uncensored is the cheaper API on UberLLM: $0.1400 per million input tokens and $0.4200 per million output, versus $0.1000 / $0.5000 for Claude Sonnet 5.5 — about 13% less on a blended 3:1 token mix. Both are reached through one OpenAI-compatible key and routed to the cheapest healthy seller, with no UberLLM fee added, so the price you see is the price you pay. Choose DeepSeek V4.1 Flash Uncensored to cut cost; choose Claude Sonnet 5.5 when its capabilities fit your task better.
Claude Sonnet 5.5 vs DeepSeek V4.1 Flash Uncensored, side by side
| Spec | Claude Sonnet 5.5 | DeepSeek V4.1 Flash Uncensored |
|---|---|---|
| Price · input / 1M | $0.1000 | $0.1400 |
| Price · output / 1M | $0.5000 | $0.4200 |
| Context length | 1,000,000 | 1,048,576 |
| Max output tokens | 128,000 | 393,216 |
| Input modalities | text, image, file | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | — |
| Reasoning | Yes | — |
| Cheapest seller | Vietapi | UberLLM |
| % off list | 95% off | — |
Live prices via UberLLM, routed to the cheapest healthy seller. The price shown has no UberLLM fee added. Updated October 28, 2026.
Claude Sonnet 5.5 vs DeepSeek V4.1 Flash Uncensored — FAQ
Is Claude Sonnet 5.5 or DeepSeek V4.1 Flash Uncensored cheaper?
DeepSeek V4.1 Flash Uncensored is cheaper on a blended token mix, by about 13%. UberLLM routes every request to the cheapest healthy seller and bills the price shown, with no fee added.
What's the price difference between Claude Sonnet 5.5 and DeepSeek V4.1 Flash Uncensored?
Claude Sonnet 5.5: $0.1000 in / $0.5000 out per 1M tokens. DeepSeek V4.1 Flash Uncensored: $0.1400 in / $0.4200 out per 1M tokens. That's roughly a 13% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Claude Sonnet 5.5 and DeepSeek V4.1 Flash Uncensored 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.