DeepSeek V4 Flash 0731 Fast vs Fireworks: Ember-1
deepseek/deepseek-v4-flash-0731-fast · fireworks/ember-1
As of November 4, 2026, DeepSeek V4 Flash 0731 Fast is the cheaper API on UberLLM: $0.2660 per million input tokens and $0.5320 per million output, versus $0.9000 / $4.50 for Fireworks: Ember-1, about 87% 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 Fireworks: Ember-1 when context size wins. Fireworks: Ember-1 carries the larger context window (1,048,576 vs 1,000,000 tokens), which can matter for long-document work.
DeepSeek V4 Flash 0731 Fast vs Fireworks: Ember-1, side by side
| Spec | DeepSeek V4 Flash 0731 Fast | Fireworks: Ember-1 |
|---|---|---|
| Price · input / 1M | $0.2660 | $0.9000 |
| Price · output / 1M | $0.5320 | $4.50 |
| Context length | 1,000,000 | 1,048,576 |
| Max output tokens | 32,768 | 943,718 |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | — | Yes |
| Reasoning | Yes | Yes |
| % off list | 24% off | 70% off |
| First token, median (7 days) | 2.5 s (469 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.
DeepSeek V4 Flash 0731 Fast vs Fireworks: Ember-1 — FAQ
Is DeepSeek V4 Flash 0731 Fast or Fireworks: Ember-1 cheaper?
DeepSeek V4 Flash 0731 Fast is cheaper on a blended token mix, by about 87%. 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 Fast and Fireworks: Ember-1?
DeepSeek V4 Flash 0731 Fast: $0.2660 in / $0.5320 out per 1M tokens. Fireworks: Ember-1: $0.9000 in / $4.50 out per 1M tokens. That's roughly a 87% blended difference. Prices are live; UberLLM adds no fee.
Can I use both DeepSeek V4 Flash 0731 Fast and Fireworks: Ember-1 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.