Aion 3.0 vs DeepSeek V4 Flash 0731 Fast
aion-labs/aion-3-0 · deepseek/deepseek-v4-flash-0731-fast
As of November 4, 2026, DeepSeek V4 Flash 0731 Fast is the cheaper API on UberLLM: $0.2095 per million input tokens and $0.4189 per million output, versus $1.05 / $2.10 for Aion 3.0, about 80% 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 Flash 0731 Fast to cut cost; choose Aion 3.0 when its capabilities fit your task better.
Aion 3.0 vs DeepSeek V4 Flash 0731 Fast, side by side
| Spec | Aion 3.0 | DeepSeek V4 Flash 0731 Fast |
|---|---|---|
| Price · input / 1M | $1.05 | $0.2095 |
| Price · output / 1M | $2.10 | $0.4189 |
| Context length | 128,000 | 1,000,000 |
| Max output tokens | 32,768 | 32,768 |
| Input modalities | text | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 65% off | 40.2% off |
| First token, median (7 days) | — | 1.5 s (1,443 requests) |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 4, 2026.
Aion 3.0 vs DeepSeek V4 Flash 0731 Fast — FAQ
Is Aion 3.0 or DeepSeek V4 Flash 0731 Fast cheaper?
DeepSeek V4 Flash 0731 Fast is cheaper on a blended token mix, by about 80%. 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 Aion 3.0 and DeepSeek V4 Flash 0731 Fast?
Aion 3.0: $1.05 in / $2.10 out per 1M tokens. DeepSeek V4 Flash 0731 Fast: $0.2095 in / $0.4189 out per 1M tokens. That's roughly a 80% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Aion 3.0 and DeepSeek V4 Flash 0731 Fast 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.