DeepSeek V4 Flash 0731 vs Kimi K3
deepseek/deepseek-v4-flash-0731 · moonshotai/kimi-k3
As of November 1, 2026, DeepSeek V4 Flash 0731 is the cheaper API on UberLLM: $0.0009 per million input tokens and $0.0018 per million output, versus $0.0017 / $0.0781 for Kimi K3, about 97% 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 to cut cost; choose Kimi K3 when its capabilities fit your task better.
DeepSeek V4 Flash 0731 vs Kimi K3, side by side
| Spec | DeepSeek V4 Flash 0731 | Kimi K3 |
|---|---|---|
| Price · input / 1M | $0.0009 | $0.0017 |
| Price · output / 1M | $0.0018 | $0.0781 |
| Context length | 1,048,576 | 1,000,000 |
| Max output tokens | 65,536 | 131,072 |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | — | Yes |
| Reasoning | Yes | Yes |
| % off list | 99.2% off | 99.4% off |
| First token, median (7 days) | — | 2.9 s (937 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 Flash 0731 vs Kimi K3 — FAQ
Is DeepSeek V4 Flash 0731 or Kimi K3 cheaper?
DeepSeek V4 Flash 0731 is cheaper on a blended token mix, by about 97%. 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 Flash 0731 and Kimi K3?
DeepSeek V4 Flash 0731: $0.0009 in / $0.0018 out per 1M tokens. Kimi K3: $0.0017 in / $0.0781 out per 1M tokens. That's roughly a 97% blended difference. Prices are live; UberLLM adds no fee.
Can I use both DeepSeek V4 Flash 0731 and Kimi K3 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.